♻️ replace snprintf with stream

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

.github/ISSUE_TEMPLATE/bug.yaml

@@ -76,7 +76,7 @@ body:
       label: Library version
       description: >
         Which version of the library did you use? If it is a released version,
-        please enter the version number (e.g., 3.11.3). Otherwise, please enter
+        please enter the version number (e.g., 3.12.0). Otherwise, please enter
         the commit hash. If you got the library from another source as the
         GitHub repository (e.g., via a package manager), please also state
         this.

.github/workflows/check_amalgamation.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
         with:
           egress-policy: audit
 
@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
         with:
           egress-policy: audit
 

.github/workflows/cifuzz.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Harden Runner
-      uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+      uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
       with:
         egress-policy: audit
 

.github/workflows/codeql-analysis.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
     - name: Harden Runner
-      uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+      uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
       with:
         egress-policy: audit
 
@@ -36,14 +36,14 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@fc7e4a0fa01c3cca5fd6a1fddec5c0740c977aa2 # v3.28.14
+      uses: github/codeql-action/init@28deaeda66b76a05916b6923827895f2b14ab387 # v3.28.16
       with:
         languages: c-cpp
 
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@fc7e4a0fa01c3cca5fd6a1fddec5c0740c977aa2 # v3.28.14
+      uses: github/codeql-action/autobuild@28deaeda66b76a05916b6923827895f2b14ab387 # v3.28.16
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@fc7e4a0fa01c3cca5fd6a1fddec5c0740c977aa2 # v3.28.14
+      uses: github/codeql-action/analyze@28deaeda66b76a05916b6923827895f2b14ab387 # v3.28.16

.github/workflows/comment_check_amalgamation.yml

@@ -19,7 +19,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
         with:
           egress-policy: audit
 

.github/workflows/dependency-review.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
         with:
           egress-policy: audit
 

.github/workflows/labeler.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
         with:
           egress-policy: audit
 

.github/workflows/publish_documentation.yml

@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
         with:
           egress-policy: audit
 

.github/workflows/scorecards.yml

@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
         with:
           egress-policy: audit
 
@@ -76,6 +76,6 @@ jobs:
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@fc7e4a0fa01c3cca5fd6a1fddec5c0740c977aa2 # v3.28.14
+        uses: github/codeql-action/upload-sarif@28deaeda66b76a05916b6923827895f2b14ab387 # v3.28.16
         with:
           sarif_file: results.sarif

.github/workflows/stale.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
         with:
           egress-policy: audit
 

.github/workflows/ubuntu.yml

@@ -23,7 +23,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Get latest CMake and ninja
-        uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
+        uses: lukka/get-cmake@57c20a23a6cac5b90f31864439996e5b206df9dc # v4.0.1
       - name: Run CMake
         run: cmake -S . -B build -DJSON_CI=On
       - name: Build
@@ -46,7 +46,7 @@ jobs:
         target: [ci_test_amalgamation, ci_test_single_header, ci_cppcheck, ci_cpplint, ci_reproducible_tests, ci_non_git_tests, ci_offline_testdata, ci_reuse_compliance, ci_test_valgrind]
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
         with:
           egress-policy: audit
 
@@ -54,7 +54,7 @@ jobs:
         run: sudo apt-get update ; sudo apt-get install -y valgrind
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Get latest CMake and ninja
-        uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
+        uses: lukka/get-cmake@57c20a23a6cac5b90f31864439996e5b206df9dc # v4.0.1
       - name: Run CMake
         run: cmake -S . -B build -DJSON_CI=On
       - name: Build
@@ -71,7 +71,7 @@ jobs:
         run: apt-get update ; apt-get install -y git clang-tools iwyu unzip
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Get latest CMake and ninja
-        uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
+        uses: lukka/get-cmake@57c20a23a6cac5b90f31864439996e5b206df9dc # v4.0.1
       - name: Run CMake
         run: cmake -S . -B build -DJSON_CI=On
       - name: Build
@@ -88,7 +88,7 @@ jobs:
         run: apt-get update ; apt-get install -y build-essential unzip wget git libssl-dev
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Get latest CMake and ninja
-        uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
+        uses: lukka/get-cmake@57c20a23a6cac5b90f31864439996e5b206df9dc # v4.0.1
       - name: Run CMake
         run: cmake -S . -B build -DJSON_CI=On
       - name: Build
@@ -98,7 +98,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
         with:
           egress-policy: audit
 
@@ -148,7 +148,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Get latest CMake and ninja
-        uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
+        uses: lukka/get-cmake@57c20a23a6cac5b90f31864439996e5b206df9dc # v4.0.1
       - name: Run CMake
         run: cmake -S . -B build -DJSON_CI=On
       - name: Build
@@ -165,7 +165,7 @@ jobs:
         run: apt-get update ; apt-get install -y unzip git
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Get latest CMake and ninja
-        uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
+        uses: lukka/get-cmake@57c20a23a6cac5b90f31864439996e5b206df9dc # v4.0.1
       - name: Set env FORCE_STDCPPFS_FLAG for clang 7 / 8 / 9 / 10
         run: echo "JSON_FORCED_GLOBAL_COMPILE_OPTIONS=-DJSON_HAS_FILESYSTEM=0;-DJSON_HAS_EXPERIMENTAL_FILESYSTEM=0" >> "$GITHUB_ENV"
         if: ${{ matrix.compiler == '7' || matrix.compiler == '8' || matrix.compiler == '9' || matrix.compiler == '10' }}
@@ -183,7 +183,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Get latest CMake and ninja
-        uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
+        uses: lukka/get-cmake@57c20a23a6cac5b90f31864439996e5b206df9dc # v4.0.1
       - name: Run CMake
         run: cmake -S . -B build -DJSON_CI=On
       - name: Build
@@ -201,7 +201,7 @@ jobs:
         run: apt-get update ; apt-get install -y git unzip
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Get latest CMake and ninja
-        uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
+        uses: lukka/get-cmake@57c20a23a6cac5b90f31864439996e5b206df9dc # v4.0.1
       - name: Run CMake
         run: cmake -S . -B build -DJSON_CI=On
       - name: Build with libc++
@@ -233,6 +233,24 @@ jobs:
           . /opt/intel/oneapi/setvars.sh
           cmake --build build --target ci_icpc
 
+  ci_emscripten:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
+        with:
+          egress-policy: audit
+
+      - name: Install emscripten
+        uses: mymindstorm/setup-emsdk@v14
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - name: Get latest CMake and ninja
+        uses: lukka/get-cmake@57c20a23a6cac5b90f31864439996e5b206df9dc # v4.0.1
+      - name: Run CMake
+        run: cmake -S . -B build -DCMAKE_TOOLCHAIN_FILE=$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -GNinja
+      - name: Build
+        run: cmake --build build
+
   ci_test_documentation:
     runs-on: ubuntu-latest
     strategy:
@@ -240,7 +258,7 @@ jobs:
         target: [ci_test_examples, ci_test_build_documentation]
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
+        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
         with:
           egress-policy: audit
 

.github/workflows/windows.yml

@@ -37,69 +37,48 @@ jobs:
       - name: Test
         run: cd build ; ctest -j 10 -C Debug --output-on-failure
 
-  msvc2019:
+  msvc:
-    runs-on: windows-2019
     strategy:
       matrix:
+        runs_on: [windows-2019, windows-2022]
         build_type: [Debug, Release]
         architecture: [Win32, x64]
+        std_version: [default, latest]
+
+    runs-on: ${{ matrix.runs_on }}
 
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-    - name: Run CMake
+      - name: Set generator
-      run: cmake -S . -B build -G "Visual Studio 16 2019" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/W4 /WX"
+        id: generator
-      if: matrix.build_type == 'Release'
+        run: |
-    - name: Run CMake
+          if [ "${{ matrix.runs_on }}" = "windows-2019" ]; then
-      run: cmake -S . -B build -G "Visual Studio 16 2019" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_CXX_FLAGS="/W4 /WX"
+            echo "generator=Visual Studio 16 2019" >> $GITHUB_ENV
-      if: matrix.build_type == 'Debug'
+          else
-    - name: Build
+            echo "generator=Visual Studio 17 2022" >> $GITHUB_ENV
-      run: cmake --build build --config ${{ matrix.build_type }} --parallel 10
+          fi
-    - name: Test
+        shell: bash
-      run: cd build ; ctest -j 10 -C ${{ matrix.build_type }} --output-on-failure
+      - name: Set extra CXX_FLAGS for latest std_version
-
+        id: cxxflags
-  msvc2019_latest:
+        run: |
-    runs-on: windows-2019
+          if [ "${{ matrix.std_version }}" = "latest" ]; then
-
+            echo "flags=/permissive- /std:c++latest /utf-8 /W4 /WX" >> $GITHUB_ENV
-    steps:
+          else
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+            echo "flags=/W4 /WX" >> $GITHUB_ENV
-    - name: Run CMake
+          fi
-      run: cmake -S . -B build -G "Visual Studio 16 2019" -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/permissive- /std:c++latest /utf-8 /W4 /WX"
+        shell: bash
-    - name: Build
+      - name: Run CMake (Release)
-      run: cmake --build build --config Release --parallel 10
+        run: cmake -S . -B build -G "$env:generator" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="$env:flags"
-    - name: Test
+        if: matrix.build_type == 'Release'
-      run: cd build ; ctest -j 10 -C Release --output-on-failure
+        shell: pwsh
-
+      - name: Run CMake (Debug)
-  msvc2022:
+        run: cmake -S . -B build -G "$env:generator" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_CXX_FLAGS="$env:flags"
-    runs-on: windows-2022
+        if: matrix.build_type == 'Debug'
-    strategy:
+        shell: pwsh
-      matrix:
+      - name: Build
-        build_type: [Debug, Release]
+        run: cmake --build build --config ${{ matrix.build_type }} --parallel 10
-        architecture: [Win32, x64]
+      - name: Test
-
+        run: cd build ; ctest -j 10 -C ${{ matrix.build_type }} --output-on-failure
-    steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-    - name: Run CMake
-      run: cmake -S . -B build -G "Visual Studio 17 2022" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/W4 /WX"
-      if: matrix.build_type == 'Release'
-    - name: Run CMake
-      run: cmake -S . -B build -G "Visual Studio 17 2022" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_CXX_FLAGS="/W4 /WX"
-      if: matrix.build_type == 'Debug'
-    - name: Build
-      run: cmake --build build --config ${{ matrix.build_type }} --parallel 10
-    - name: Test
-      run: cd build ; ctest -j 10 -C ${{ matrix.build_type }} --output-on-failure
-
-  msvc2022_latest:
-    runs-on: windows-2022
-
-    steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-    - name: Run CMake
-      run: cmake -S . -B build -G "Visual Studio 17 2022" -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/permissive- /std:c++latest /utf-8 /W4 /WX"
-    - name: Build
-      run: cmake --build build --config Release --parallel 10
-    - name: Test
-      run: cd build ; ctest -j 10 -C Release --output-on-failure
 
   clang:
     runs-on: windows-2019
@@ -118,7 +97,7 @@ jobs:
       - name: Test
         run: cd build ; ctest -j 10 -C Debug --exclude-regex "test-unicode" --output-on-failure
 
-  clang-cl-11:
+  clang-cl-12:
     runs-on: windows-2019
     strategy:
       matrix:

.reuse/templates/json.jinja2

@@ -1,6 +1,6 @@
     __ _____ _____ _____
  __|  |   __|     |   | |  JSON for Modern C++
-|  |  |__   |  |  | | | |  version 3.11.3
+|  |  |__   |  |  | | | |  version 3.12.0
 |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 
 {% for copyright_line in copyright_lines %}

.reuse/templates/json_support.jinja2

@@ -1,6 +1,6 @@
     __ _____ _____ _____
  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-|  |  |__   |  |  | | | |  version 3.11.3
+|  |  |__   |  |  | | | |  version 3.12.0
 |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 
 {% for copyright_line in copyright_lines %}

CITATION.cff

@@ -7,8 +7,8 @@ authors:
     email: mail@nlohmann.me
     website: https://nlohmann.me
 title: "JSON for Modern C++"
-version: 3.11.3
+version: 3.12.0
-date-released: 2023-11-28
+date-released: 2025-04-07
 license: MIT
 repository-code: "https://github.com/nlohmann"
 url: https://json.nlohmann.me

CMakeLists.txt

@@ -4,7 +4,7 @@ cmake_minimum_required(VERSION 3.5...4.0)
 ## PROJECT
 ## name and version
 ##
-project(nlohmann_json VERSION 3.11.3 LANGUAGES CXX)
+project(nlohmann_json VERSION 3.12.0 LANGUAGES CXX)
 
 ##
 ## MAIN_PROJECT CHECK

README.md

@@ -1199,7 +1199,7 @@ To use this library from a CMake project, you can locate it directly with `find_
 
 ```cmake
 # CMakeLists.txt
-find_package(nlohmann_json 3.11.3 REQUIRED)
+find_package(nlohmann_json 3.12.0 REQUIRED)
 ...
 add_library(foo ...)
 ...
@@ -1243,7 +1243,7 @@ Example:
 ```cmake
 include(FetchContent)
 
-FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.11.3/json.tar.xz)
+FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.12.0/json.tar.xz)
 FetchContent_MakeAvailable(json)
 
 target_link_libraries(foo PRIVATE nlohmann_json::nlohmann_json)
@@ -1275,7 +1275,7 @@ target_link_libraries(foo PRIVATE nlohmann_json::nlohmann_json)
 # thirdparty/CMakeLists.txt
 ...
 if(FOO_USE_EXTERNAL_JSON)
-  find_package(nlohmann_json 3.11.3 REQUIRED)
+  find_package(nlohmann_json 3.12.0 REQUIRED)
 else()
   set(JSON_BuildTests OFF CACHE INTERNAL "")
   add_subdirectory(nlohmann_json)

cmake/requirements/requirements-cppcheck.txt

@@ -1 +1 @@
-cppcheck==1.5.0
+cppcheck==1.5.1

cmake/requirements/requirements-cpplint.txt

@@ -1 +1 @@
-cpplint==2.0.1
+cpplint==2.0.2

docs/docset/docset.json

@@ -1,6 +1,6 @@
 {
   "name": "JSON for Modern C++",
-  "version": "3.11.3",
+  "version": "3.12.0",
   "archive": "JSON_for_Modern_C++.tgz",
   "author": {
     "name": "Niels Lohmann",

docs/mkdocs/docs/community/quality_assurance.md

@@ -57,6 +57,7 @@ violations will result in a failed build.
         | Clang 19.1.7                                 | x86_64       | Ubuntu 22.04.1 LTS       | GitHub    |
         | Clang 20.1.1                                 | x86_64       | Ubuntu 22.04.1 LTS       | GitHub    |
         | Clang 21.0.0                                 | x86_64       | Ubuntu 22.04.1 LTS       | GitHub    |
+        | Emscripten 4.0.6                             | x86_64       | Ubuntu 22.04.1 LTS       | GitHub    |
         | GNU 4.8.5                                    | x86_64       | Ubuntu 22.04.1 LTS       | GitHub    |
         | GNU 4.9.3                                    | x86_64       | Ubuntu 22.04.1 LTS       | GitHub    |
         | GNU 5.5.0                                    | x86_64       | Ubuntu 22.04.1 LTS       | GitHub    |
@@ -75,6 +76,7 @@ violations will result in a failed build.
         | GNU 13.3.0                                   | x86_64       | Ubuntu 22.04.1 LTS       | GitHub    |
         | GNU 14.2.0                                   | x86_64       | Ubuntu 22.04.1 LTS       | GitHub    |
         | GNU 14.2.0                                   | arm64        | Linux 6.1.100            | Cirrus CI |
+        | icpc (ICC) 2021.5.0 20211109                 | x86_64       | Ubuntu 20.04.3 LTS       | GitHub    |
         | MSVC 19.0.24241.7                            | x86          | Windows 8.1              | AppVeyor  |
         | MSVC 19.16.27035.0                           | x86          | Windows-10 (Build 14393) | AppVeyor  |
         | MSVC 19.29.30157.0                           | x86          | Windows 10 (Build 17763) | GitHub    |

docs/mkdocs/docs/examples/meta.output

@@ -2,16 +2,16 @@
     "compiler": {
         "c++": "201103",
         "family": "gcc",
-        "version": "12.3.0"
+        "version": "12.4.0"
     },
-    "copyright": "(C) 2013-2022 Niels Lohmann",
+    "copyright": "(C) 2013-2025 Niels Lohmann",
     "name": "JSON for Modern C++",
     "platform": "apple",
     "url": "https://github.com/nlohmann/json",
     "version": {
         "major": 3,
-        "minor": 11,
+        "minor": 12,
-        "patch": 3,
+        "patch": 0,
-        "string": "3.11.3"
+        "string": "3.12.0"
     }
 }

docs/mkdocs/docs/examples/nlohmann_json_namespace.output

@@ -1 +1 @@
-nlohmann::json_abi_v3_11_3
+nlohmann::json_abi_v3_12_0

docs/mkdocs/docs/examples/nlohmann_json_version.output

@@ -1 +1 @@
-JSON for Modern C++ version 3.11.3
+JSON for Modern C++ version 3.12.0

docs/mkdocs/docs/integration/cmake.md

@@ -18,7 +18,7 @@ and use the namespaced imported target from the generated package configuration:
     cmake_minimum_required(VERSION 3.5)
     project(ExampleProject LANGUAGES CXX)
     
-    find_package(nlohmann_json 3.11.3 REQUIRED)
+    find_package(nlohmann_json 3.12.0 REQUIRED)
     
     add_executable(example example.cpp)
     target_link_libraries(example PRIVATE nlohmann_json::nlohmann_json)
@@ -77,7 +77,7 @@ to the following.
     
     ```cmake title="thirdparty/CMakeLists.txt"
     if(EXAMPLE_USE_EXTERNAL_JSON)
-        find_package(nlohmann_json 3.11.3 REQUIRED)
+        find_package(nlohmann_json 3.12.0 REQUIRED)
     else()
         set(JSON_BuildTests OFF CACHE INTERNAL "")
         add_subdirectory(nlohmann_json)
@@ -100,7 +100,7 @@ automatically download a release as a dependency at configure time.
 
     include(FetchContent)
     
-    FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.11.3/json.tar.xz)
+    FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.12.0/json.tar.xz)
     FetchContent_MakeAvailable(json)
     
     add_executable(example example.cpp)
@@ -115,7 +115,7 @@ automatically download a release as a dependency at configure time.
     ```cmake
     FetchContent_Declare(json
         GIT_REPOSITORY https://github.com/nlohmann/json
-        GIT_TAG v3.11.3
+        GIT_TAG v3.12.0
     )
     ```
 

docs/mkdocs/docs/integration/conan/Conanfile.txt

@@ -1,5 +1,5 @@
 [requires]
-nlohmann_json/3.11.3
+nlohmann_json/3.12.0
 
 [generators]
 CMakeToolchain

docs/mkdocs/docs/integration/cpm/CMakeLists.txt

@@ -3,7 +3,7 @@ project(json_example)
 
 include(${CMAKE_SOURCE_DIR}/cmake/CPM.cmake)
 
-CPMAddPackage("gh:nlohmann/json@3.11.3")
+CPMAddPackage("gh:nlohmann/json@3.12.0")
 
 add_executable(json_example example.cpp)
 target_link_libraries(json_example PRIVATE nlohmann_json::nlohmann_json)

docs/mkdocs/docs/integration/package_managers.md

@@ -398,7 +398,7 @@ If you are using [cget](http://cget.readthedocs.io/en/latest/), you can install
 cget install nlohmann/json
 ```
 
-A specific version can be installed with `cget install nlohmann/json@v3.11.3`. Also, the multiple header version can be
+A specific version can be installed with `cget install nlohmann/json@v3.12.0`. Also, the multiple header version can be
 installed by adding the `-DJSON_MultipleHeaders=ON` flag (i.e., `cget install nlohmann/json -DJSON_MultipleHeaders=ON`).
 
 ??? example
@@ -727,7 +727,7 @@ If you are using [`CPM.cmake`](https://github.com/TheLartians/CPM.cmake), add th
 [CPM.cmake script](https://github.com/TheLartians/CPM.cmake#adding-cpm) and the following snippet to your CMake project:
 
 ```cmake
-CPMAddPackage("gh:nlohmann/json@3.11.3")
+CPMAddPackage("gh:nlohmann/json@3.12.0")
 ```
 
 ??? example

docs/mkdocs/requirements.txt

@@ -2,7 +2,7 @@ wheel==0.45.1
 
 mkdocs==1.6.1                                       # documentation framework
 mkdocs-git-revision-date-localized-plugin==1.4.5    # plugin "git-revision-date-localized"
-mkdocs-material==9.6.11                             # theme for mkdocs
+mkdocs-material==9.6.12                             # theme for mkdocs
 mkdocs-material-extensions==1.3.1                   # extensions
 mkdocs-minify-plugin==0.8.0                         # plugin "minify"
 mkdocs-redirects==1.2.2                             # plugin "redirects"

include/nlohmann/adl_serializer.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/byte_container_with_subtype.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/abi_macros.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -12,15 +12,15 @@
 
 #ifndef JSON_SKIP_LIBRARY_VERSION_CHECK
     #if defined(NLOHMANN_JSON_VERSION_MAJOR) && defined(NLOHMANN_JSON_VERSION_MINOR) && defined(NLOHMANN_JSON_VERSION_PATCH)
-        #if NLOHMANN_JSON_VERSION_MAJOR != 3 || NLOHMANN_JSON_VERSION_MINOR != 11 || NLOHMANN_JSON_VERSION_PATCH != 3
+        #if NLOHMANN_JSON_VERSION_MAJOR != 3 || NLOHMANN_JSON_VERSION_MINOR != 12 || NLOHMANN_JSON_VERSION_PATCH != 0
             #warning "Already included a different version of the library!"
         #endif
     #endif
 #endif
 
 #define NLOHMANN_JSON_VERSION_MAJOR 3   // NOLINT(modernize-macro-to-enum)
-#define NLOHMANN_JSON_VERSION_MINOR 11  // NOLINT(modernize-macro-to-enum)
+#define NLOHMANN_JSON_VERSION_MINOR 12  // NOLINT(modernize-macro-to-enum)
-#define NLOHMANN_JSON_VERSION_PATCH 3   // NOLINT(modernize-macro-to-enum)
+#define NLOHMANN_JSON_VERSION_PATCH 0   // NOLINT(modernize-macro-to-enum)
 
 #ifndef JSON_DIAGNOSTICS
     #define JSON_DIAGNOSTICS 0

include/nlohmann/detail/conversions/from_json.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -13,9 +13,6 @@
 #include <forward_list> // forward_list
 #include <iterator> // inserter, front_inserter, end
 #include <map> // map
-#ifdef JSON_HAS_CPP_17
-    #include <optional> // optional
-#endif
 #include <string> // string
 #include <tuple> // tuple, make_tuple
 #include <type_traits> // is_arithmetic, is_same, is_enum, underlying_type, is_convertible
@@ -32,6 +29,11 @@
 #include <nlohmann/detail/string_concat.hpp>
 #include <nlohmann/detail/value_t.hpp>
 
+// include after macro_scope.hpp
+#ifdef JSON_HAS_CPP_17
+    #include <optional> // optional
+#endif
+
 NLOHMANN_JSON_NAMESPACE_BEGIN
 namespace detail
 {
@@ -47,7 +49,6 @@ inline void from_json(const BasicJsonType& j, typename std::nullptr_t& n)
 }
 
 #ifdef JSON_HAS_CPP_17
-#ifndef JSON_USE_IMPLICIT_CONVERSIONS
 template<typename BasicJsonType, typename T>
 void from_json(const BasicJsonType& j, std::optional<T>& opt)
 {
@@ -60,8 +61,6 @@ void from_json(const BasicJsonType& j, std::optional<T>& opt)
         opt.emplace(j.template get<T>());
     }
 }
-
-#endif // JSON_USE_IMPLICIT_CONVERSIONS
 #endif // JSON_HAS_CPP_17
 
 // overloads for basic_json template parameters
@@ -540,7 +539,10 @@ inline void from_json(const BasicJsonType& j, std_fs::path& p)
         JSON_THROW(type_error::create(302, concat("type must be string, but is ", j.type_name()), &j));
     }
     const auto& s = *j.template get_ptr<const typename BasicJsonType::string_t*>();
-#ifdef JSON_HAS_CPP_20
+    // Checking for C++20 standard or later can be insufficient in case the
+    // library support for char8_t is either incomplete or was disabled
+    // altogether. Use the __cpp_lib_char8_t feature test instead.
+#if defined(__cpp_lib_char8_t) && (__cpp_lib_char8_t >= 201907L)
     p = std_fs::path(std::u8string_view(reinterpret_cast<const char8_t*>(s.data()), s.size()));
 #else
     p = std_fs::u8path(s); // accepts UTF-8 encoded std::string in C++17, deprecated in C++20

include/nlohmann/detail/conversions/to_chars.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2009 Florian Loitsch <https://florian.loitsch.com/>

include/nlohmann/detail/conversions/to_json.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -15,7 +15,8 @@
 
 #include <algorithm> // copy
 #include <iterator> // begin, end
-#include <string> // string
+#include <memory> // allocator_traits
+#include <string> //  basic_string, char_traits
 #include <tuple> // tuple, get
 #include <type_traits> // is_same, is_constructible, is_floating_point, is_enum, underlying_type
 #include <utility> // move, forward, declval, pair
@@ -267,7 +268,7 @@ struct external_constructor<value_t::object>
 #ifdef JSON_HAS_CPP_17
 template<typename BasicJsonType, typename T,
          enable_if_t<std::is_constructible<BasicJsonType, T>::value, int> = 0>
-void to_json(BasicJsonType& j, const std::optional<T>& opt)
+void to_json(BasicJsonType& j, const std::optional<T>& opt) noexcept
 {
     if (opt.has_value())
     {
@@ -440,15 +441,21 @@ inline void to_json(BasicJsonType& j, const T& t)
 }
 
 #if JSON_HAS_FILESYSTEM || JSON_HAS_EXPERIMENTAL_FILESYSTEM
+#if defined(__cpp_lib_char8_t)
+template<typename BasicJsonType, typename Tr, typename Allocator>
+inline void to_json(BasicJsonType& j, const std::basic_string<char8_t, Tr, Allocator>& s)
+{
+    using OtherAllocator = typename std::allocator_traits<Allocator>::template rebind_alloc<char>;
+    j = std::basic_string<char, std::char_traits<char>, OtherAllocator>(s.begin(), s.end(), s.get_allocator());
+}
+#endif
+
 template<typename BasicJsonType>
 inline void to_json(BasicJsonType& j, const std_fs::path& p)
 {
-#ifdef JSON_HAS_CPP_20
+    // Returns either a std::string or a std::u8string depending whether library
-    const std::u8string s = p.u8string();
+    // support for char8_t is enabled.
-    j = std::string(s.begin(), s.end());
+    j = p.u8string();
-#else
-    j = p.u8string(); // returns std::string in C++17
-#endif
 }
 #endif
 

include/nlohmann/detail/exceptions.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/hash.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/input/binary_reader.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -2826,17 +2826,22 @@ class binary_reader
         {
             return;
         }
-        if constexpr(std::is_integral_v<NumberType>)
+        else if constexpr(std::is_integral_v<NumberType>)
         {
             number = std::byteswap(number);
             return;
         }
-#endif
+        else
-        auto* ptr = reinterpret_cast<std::uint8_t*>(&number);
-        for (std::size_t i = 0; i < sz / 2; ++i)
         {
-            std::swap(ptr[i], ptr[sz - i - 1]);
+#endif
+            auto* ptr = reinterpret_cast<std::uint8_t*>(&number);
+            for (std::size_t i = 0; i < sz / 2; ++i)
+            {
+                std::swap(ptr[i], ptr[sz - i - 1]);
+            }
+#ifdef __cpp_lib_byteswap
         }
+#endif
     }
 
     /*

include/nlohmann/detail/input/input_adapters.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/input/json_sax.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/input/lexer.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/input/parser.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/input/position_t.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/iterators/internal_iterator.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/iterators/iter_impl.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/iterators/iteration_proxy.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/iterators/iterator_traits.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/iterators/json_reverse_iterator.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/iterators/primitive_iterator.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/json_custom_base_class.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/json_pointer.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/json_ref.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/macro_scope.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/macro_unscope.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/meta/call_std/begin.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/meta/call_std/end.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/meta/cpp_future.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/meta/detected.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/meta/identity_tag.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/meta/is_sax.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/meta/std_fs.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/meta/type_traits.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/meta/void_t.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/output/binary_writer.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -973,9 +973,9 @@ class binary_writer
         if (JSON_HEDLEY_UNLIKELY(it != BasicJsonType::string_t::npos))
         {
             JSON_THROW(out_of_range::create(409, concat("BSON key cannot contain code point U+0000 (at byte ", std::to_string(it), ")"), &j));
-            static_cast<void>(j);
         }
 
+        static_cast<void>(j);
         return /*id*/ 1ul + name.size() + /*zero-terminator*/1u;
     }
 

include/nlohmann/detail/output/output_adapters.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/output/serializer.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2008 - 2009 Björn Hoehrmann <bjoern@hoehrmann.de>
@@ -17,6 +17,7 @@
 #include <cstdint> // uint8_t
 #include <cstdio> // snprintf
 #include <limits> // numeric_limits
+#include <sstream> // string_stream
 #include <string> // string, char_traits
 #include <iomanip> // setfill, setw
 #include <type_traits> // is_same
@@ -762,7 +763,7 @@ class serializer
 
         // jump to the end to generate the string from backward,
         // so we later avoid reversing the result
-        buffer_ptr += n_chars;
+        buffer_ptr += static_cast<typename decltype(number_buffer)::difference_type>(n_chars);
 
         // Fast int2ascii implementation inspired by "Fastware" talk by Andrei Alexandrescu
         // See: https://www.youtube.com/watch?v=o4-CwDo2zpg
@@ -827,53 +828,13 @@ class serializer
 
     void dump_float(number_float_t x, std::false_type /*is_ieee_single_or_double*/)
     {
-        // get number of digits for a float -> text -> float round-trip
+        std::ostringstream oss;
-        static constexpr auto d = std::numeric_limits<number_float_t>::max_digits10;
+        oss.precision(std::numeric_limits<number_float_t>::max_digits10);
+        oss.imbue(std::locale::classic());
+        oss << std::defaultfloat << x;
 
-        // the actual conversion
+        const auto s = oss.str();
-        // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
+        o->write_characters(s.c_str(), s.size());
-        std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, x);
-
-        // negative value indicates an error
-        JSON_ASSERT(len > 0);
-        // check if buffer was large enough
-        JSON_ASSERT(static_cast<std::size_t>(len) < number_buffer.size());
-
-        // erase thousands separator
-        if (thousands_sep != '\0')
-        {
-            // NOLINTNEXTLINE(readability-qualified-auto,llvm-qualified-auto): std::remove returns an iterator, see https://github.com/nlohmann/json/issues/3081
-            const auto end = std::remove(number_buffer.begin(), number_buffer.begin() + len, thousands_sep);
-            std::fill(end, number_buffer.end(), '\0');
-            JSON_ASSERT((end - number_buffer.begin()) <= len);
-            len = (end - number_buffer.begin());
-        }
-
-        // convert decimal point to '.'
-        if (decimal_point != '\0' && decimal_point != '.')
-        {
-            // NOLINTNEXTLINE(readability-qualified-auto,llvm-qualified-auto): std::find returns an iterator, see https://github.com/nlohmann/json/issues/3081
-            const auto dec_pos = std::find(number_buffer.begin(), number_buffer.end(), decimal_point);
-            if (dec_pos != number_buffer.end())
-            {
-                *dec_pos = '.';
-            }
-        }
-
-        o->write_characters(number_buffer.data(), static_cast<std::size_t>(len));
-
-        // determine if we need to append ".0"
-        const bool value_is_int_like =
-            std::none_of(number_buffer.begin(), number_buffer.begin() + len + 1,
-                         [](char c)
-        {
-            return c == '.' || c == 'e';
-        });
-
-        if (value_is_int_like)
-        {
-            o->write_characters(".0", 2);
-        }
     }
 
     /*!

include/nlohmann/detail/string_concat.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/string_escape.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/string_utils.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/detail/value_t.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/json.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -252,7 +252,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
     {
         basic_json result;
 
-        result["copyright"] = "(C) 2013-2023 Niels Lohmann";
+        result["copyright"] = "(C) 2013-2025 Niels Lohmann";
         result["name"] = "JSON for Modern C++";
         result["url"] = "https://github.com/nlohmann/json";
         result["version"]["string"] =
@@ -517,7 +517,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
                     object = nullptr;  // silence warning, see #821
                     if (JSON_HEDLEY_UNLIKELY(t == value_t::null))
                     {
-                        JSON_THROW(other_error::create(500, "961c151d2e87f2686a955a9be24d316f1362bf21 3.11.3", nullptr)); // LCOV_EXCL_LINE
+                        JSON_THROW(other_error::create(500, "961c151d2e87f2686a955a9be24d316f1362bf21 3.12.0", nullptr)); // LCOV_EXCL_LINE
                     }
                     break;
                 }

include/nlohmann/json_fwd.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/ordered_map.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/thirdparty/hedley/hedley.hpp

@@ -2,7 +2,7 @@
 
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

include/nlohmann/thirdparty/hedley/hedley_undef.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

meson.build

@@ -1,6 +1,6 @@
 project('nlohmann_json',
     'cpp',
-    version : '3.11.3',
+    version : '3.12.0',
     license : 'MIT',
 )
 

nlohmann_json.natvis

@@ -65,22 +65,22 @@
         </Expand>
     </Type>
 
-    <!-- Namespace nlohmann::json_abi_v3_11_3 -->
+    <!-- Namespace nlohmann::json_abi_v3_12_0 -->
-    <Type Name="nlohmann::json_abi_v3_11_3::basic_json&lt;*&gt;">
+    <Type Name="nlohmann::json_abi_v3_12_0::basic_json&lt;*&gt;">
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_11_3::detail::value_t::null">null</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_12_0::detail::value_t::null">null</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_11_3::detail::value_t::object">{*(m_data.m_value.object)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_12_0::detail::value_t::object">{*(m_data.m_value.object)}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_11_3::detail::value_t::array">{*(m_data.m_value.array)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_12_0::detail::value_t::array">{*(m_data.m_value.array)}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_11_3::detail::value_t::string">{*(m_data.m_value.string)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_12_0::detail::value_t::string">{*(m_data.m_value.string)}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_11_3::detail::value_t::boolean">{m_data.m_value.boolean}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_12_0::detail::value_t::boolean">{m_data.m_value.boolean}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_11_3::detail::value_t::number_integer">{m_data.m_value.number_integer}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_12_0::detail::value_t::number_integer">{m_data.m_value.number_integer}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_11_3::detail::value_t::number_unsigned">{m_data.m_value.number_unsigned}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_12_0::detail::value_t::number_unsigned">{m_data.m_value.number_unsigned}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_11_3::detail::value_t::number_float">{m_data.m_value.number_float}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_12_0::detail::value_t::number_float">{m_data.m_value.number_float}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_11_3::detail::value_t::discarded">discarded</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_v3_12_0::detail::value_t::discarded">discarded</DisplayString>
         <Expand>
-            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_v3_11_3::detail::value_t::object">
+            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_v3_12_0::detail::value_t::object">
                 *(m_data.m_value.object),view(simple)
             </ExpandedItem>
-            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_v3_11_3::detail::value_t::array">
+            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_v3_12_0::detail::value_t::array">
                 *(m_data.m_value.array),view(simple)
             </ExpandedItem>
         </Expand>
@@ -88,7 +88,7 @@
 
     <!-- Skip the pair first/second members in the treeview while traversing a map.
          Only works in VS 2015 Update 2 and beyond using the new visualization -->
-    <Type Name="std::pair&lt;*, nlohmann::json_abi_v3_11_3::basic_json&lt;*&gt;&gt;" IncludeView="MapHelper">
+    <Type Name="std::pair&lt;*, nlohmann::json_abi_v3_12_0::basic_json&lt;*&gt;&gt;" IncludeView="MapHelper">
         <DisplayString>{second}</DisplayString>
         <Expand>
             <ExpandedItem>second</ExpandedItem>
@@ -125,22 +125,22 @@
         </Expand>
     </Type>
 
-    <!-- Namespace nlohmann::json_abi_diag_v3_11_3 -->
+    <!-- Namespace nlohmann::json_abi_diag_v3_12_0 -->
-    <Type Name="nlohmann::json_abi_diag_v3_11_3::basic_json&lt;*&gt;">
+    <Type Name="nlohmann::json_abi_diag_v3_12_0::basic_json&lt;*&gt;">
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_11_3::detail::value_t::null">null</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_12_0::detail::value_t::null">null</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_11_3::detail::value_t::object">{*(m_data.m_value.object)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_12_0::detail::value_t::object">{*(m_data.m_value.object)}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_11_3::detail::value_t::array">{*(m_data.m_value.array)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_12_0::detail::value_t::array">{*(m_data.m_value.array)}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_11_3::detail::value_t::string">{*(m_data.m_value.string)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_12_0::detail::value_t::string">{*(m_data.m_value.string)}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_11_3::detail::value_t::boolean">{m_data.m_value.boolean}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_12_0::detail::value_t::boolean">{m_data.m_value.boolean}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_11_3::detail::value_t::number_integer">{m_data.m_value.number_integer}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_12_0::detail::value_t::number_integer">{m_data.m_value.number_integer}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_11_3::detail::value_t::number_unsigned">{m_data.m_value.number_unsigned}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_12_0::detail::value_t::number_unsigned">{m_data.m_value.number_unsigned}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_11_3::detail::value_t::number_float">{m_data.m_value.number_float}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_12_0::detail::value_t::number_float">{m_data.m_value.number_float}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_11_3::detail::value_t::discarded">discarded</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_v3_12_0::detail::value_t::discarded">discarded</DisplayString>
         <Expand>
-            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_diag_v3_11_3::detail::value_t::object">
+            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_diag_v3_12_0::detail::value_t::object">
                 *(m_data.m_value.object),view(simple)
             </ExpandedItem>
-            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_diag_v3_11_3::detail::value_t::array">
+            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_diag_v3_12_0::detail::value_t::array">
                 *(m_data.m_value.array),view(simple)
             </ExpandedItem>
         </Expand>
@@ -148,7 +148,7 @@
 
     <!-- Skip the pair first/second members in the treeview while traversing a map.
          Only works in VS 2015 Update 2 and beyond using the new visualization -->
-    <Type Name="std::pair&lt;*, nlohmann::json_abi_diag_v3_11_3::basic_json&lt;*&gt;&gt;" IncludeView="MapHelper">
+    <Type Name="std::pair&lt;*, nlohmann::json_abi_diag_v3_12_0::basic_json&lt;*&gt;&gt;" IncludeView="MapHelper">
         <DisplayString>{second}</DisplayString>
         <Expand>
             <ExpandedItem>second</ExpandedItem>
@@ -185,22 +185,22 @@
         </Expand>
     </Type>
 
-    <!-- Namespace nlohmann::json_abi_ldvcmp_v3_11_3 -->
+    <!-- Namespace nlohmann::json_abi_ldvcmp_v3_12_0 -->
-    <Type Name="nlohmann::json_abi_ldvcmp_v3_11_3::basic_json&lt;*&gt;">
+    <Type Name="nlohmann::json_abi_ldvcmp_v3_12_0::basic_json&lt;*&gt;">
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_11_3::detail::value_t::null">null</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_12_0::detail::value_t::null">null</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_11_3::detail::value_t::object">{*(m_data.m_value.object)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_12_0::detail::value_t::object">{*(m_data.m_value.object)}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_11_3::detail::value_t::array">{*(m_data.m_value.array)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_12_0::detail::value_t::array">{*(m_data.m_value.array)}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_11_3::detail::value_t::string">{*(m_data.m_value.string)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_12_0::detail::value_t::string">{*(m_data.m_value.string)}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_11_3::detail::value_t::boolean">{m_data.m_value.boolean}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_12_0::detail::value_t::boolean">{m_data.m_value.boolean}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_11_3::detail::value_t::number_integer">{m_data.m_value.number_integer}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_12_0::detail::value_t::number_integer">{m_data.m_value.number_integer}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_11_3::detail::value_t::number_unsigned">{m_data.m_value.number_unsigned}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_12_0::detail::value_t::number_unsigned">{m_data.m_value.number_unsigned}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_11_3::detail::value_t::number_float">{m_data.m_value.number_float}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_12_0::detail::value_t::number_float">{m_data.m_value.number_float}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_11_3::detail::value_t::discarded">discarded</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_12_0::detail::value_t::discarded">discarded</DisplayString>
         <Expand>
-            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_11_3::detail::value_t::object">
+            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_12_0::detail::value_t::object">
                 *(m_data.m_value.object),view(simple)
             </ExpandedItem>
-            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_11_3::detail::value_t::array">
+            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_ldvcmp_v3_12_0::detail::value_t::array">
                 *(m_data.m_value.array),view(simple)
             </ExpandedItem>
         </Expand>
@@ -208,7 +208,7 @@
 
     <!-- Skip the pair first/second members in the treeview while traversing a map.
          Only works in VS 2015 Update 2 and beyond using the new visualization -->
-    <Type Name="std::pair&lt;*, nlohmann::json_abi_ldvcmp_v3_11_3::basic_json&lt;*&gt;&gt;" IncludeView="MapHelper">
+    <Type Name="std::pair&lt;*, nlohmann::json_abi_ldvcmp_v3_12_0::basic_json&lt;*&gt;&gt;" IncludeView="MapHelper">
         <DisplayString>{second}</DisplayString>
         <Expand>
             <ExpandedItem>second</ExpandedItem>
@@ -245,22 +245,22 @@
         </Expand>
     </Type>
 
-    <!-- Namespace nlohmann::json_abi_diag_ldvcmp_v3_11_3 -->
+    <!-- Namespace nlohmann::json_abi_diag_ldvcmp_v3_12_0 -->
-    <Type Name="nlohmann::json_abi_diag_ldvcmp_v3_11_3::basic_json&lt;*&gt;">
+    <Type Name="nlohmann::json_abi_diag_ldvcmp_v3_12_0::basic_json&lt;*&gt;">
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_11_3::detail::value_t::null">null</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_12_0::detail::value_t::null">null</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_11_3::detail::value_t::object">{*(m_data.m_value.object)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_12_0::detail::value_t::object">{*(m_data.m_value.object)}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_11_3::detail::value_t::array">{*(m_data.m_value.array)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_12_0::detail::value_t::array">{*(m_data.m_value.array)}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_11_3::detail::value_t::string">{*(m_data.m_value.string)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_12_0::detail::value_t::string">{*(m_data.m_value.string)}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_11_3::detail::value_t::boolean">{m_data.m_value.boolean}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_12_0::detail::value_t::boolean">{m_data.m_value.boolean}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_11_3::detail::value_t::number_integer">{m_data.m_value.number_integer}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_12_0::detail::value_t::number_integer">{m_data.m_value.number_integer}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_11_3::detail::value_t::number_unsigned">{m_data.m_value.number_unsigned}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_12_0::detail::value_t::number_unsigned">{m_data.m_value.number_unsigned}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_11_3::detail::value_t::number_float">{m_data.m_value.number_float}</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_12_0::detail::value_t::number_float">{m_data.m_value.number_float}</DisplayString>
-        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_11_3::detail::value_t::discarded">discarded</DisplayString>
+        <DisplayString Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_12_0::detail::value_t::discarded">discarded</DisplayString>
         <Expand>
-            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_11_3::detail::value_t::object">
+            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_12_0::detail::value_t::object">
                 *(m_data.m_value.object),view(simple)
             </ExpandedItem>
-            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_11_3::detail::value_t::array">
+            <ExpandedItem Condition="m_data.m_type == nlohmann::json_abi_diag_ldvcmp_v3_12_0::detail::value_t::array">
                 *(m_data.m_value.array),view(simple)
             </ExpandedItem>
         </Expand>
@@ -268,7 +268,7 @@
 
     <!-- Skip the pair first/second members in the treeview while traversing a map.
          Only works in VS 2015 Update 2 and beyond using the new visualization -->
-    <Type Name="std::pair&lt;*, nlohmann::json_abi_diag_ldvcmp_v3_11_3::basic_json&lt;*&gt;&gt;" IncludeView="MapHelper">
+    <Type Name="std::pair&lt;*, nlohmann::json_abi_diag_ldvcmp_v3_12_0::basic_json&lt;*&gt;&gt;" IncludeView="MapHelper">
         <DisplayString>{second}</DisplayString>
         <Expand>
             <ExpandedItem>second</ExpandedItem>

single_include/nlohmann/json.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -34,7 +34,7 @@
 // #include <nlohmann/adl_serializer.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -47,7 +47,7 @@
 // #include <nlohmann/detail/abi_macros.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -59,15 +59,15 @@
 
 #ifndef JSON_SKIP_LIBRARY_VERSION_CHECK
     #if defined(NLOHMANN_JSON_VERSION_MAJOR) && defined(NLOHMANN_JSON_VERSION_MINOR) && defined(NLOHMANN_JSON_VERSION_PATCH)
-        #if NLOHMANN_JSON_VERSION_MAJOR != 3 || NLOHMANN_JSON_VERSION_MINOR != 11 || NLOHMANN_JSON_VERSION_PATCH != 3
+        #if NLOHMANN_JSON_VERSION_MAJOR != 3 || NLOHMANN_JSON_VERSION_MINOR != 12 || NLOHMANN_JSON_VERSION_PATCH != 0
             #warning "Already included a different version of the library!"
         #endif
     #endif
 #endif
 
 #define NLOHMANN_JSON_VERSION_MAJOR 3   // NOLINT(modernize-macro-to-enum)
-#define NLOHMANN_JSON_VERSION_MINOR 11  // NOLINT(modernize-macro-to-enum)
+#define NLOHMANN_JSON_VERSION_MINOR 12  // NOLINT(modernize-macro-to-enum)
-#define NLOHMANN_JSON_VERSION_PATCH 3   // NOLINT(modernize-macro-to-enum)
+#define NLOHMANN_JSON_VERSION_PATCH 0   // NOLINT(modernize-macro-to-enum)
 
 #ifndef JSON_DIAGNOSTICS
     #define JSON_DIAGNOSTICS 0
@@ -160,7 +160,7 @@
 // #include <nlohmann/detail/conversions/from_json.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -173,9 +173,6 @@
 #include <forward_list> // forward_list
 #include <iterator> // inserter, front_inserter, end
 #include <map> // map
-#ifdef JSON_HAS_CPP_17
-    #include <optional> // optional
-#endif
 #include <string> // string
 #include <tuple> // tuple, make_tuple
 #include <type_traits> // is_arithmetic, is_same, is_enum, underlying_type, is_convertible
@@ -186,7 +183,7 @@
 // #include <nlohmann/detail/exceptions.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -206,7 +203,7 @@
 // #include <nlohmann/detail/value_t.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -222,7 +219,7 @@
 // #include <nlohmann/detail/macro_scope.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -234,7 +231,7 @@
 // #include <nlohmann/detail/meta/detected.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -247,7 +244,7 @@
 // #include <nlohmann/detail/meta/void_t.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -334,7 +331,7 @@ NLOHMANN_JSON_NAMESPACE_END
 
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -3066,7 +3063,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/string_escape.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -3141,7 +3138,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/input/position_t.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -3183,7 +3180,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/meta/cpp_future.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -3357,7 +3354,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/meta/type_traits.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -3374,7 +3371,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/iterators/iterator_traits.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -3442,7 +3439,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/meta/call_std/begin.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -3462,7 +3459,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/meta/call_std/end.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -3486,7 +3483,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/json_fwd.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -4337,7 +4334,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/string_concat.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -4757,7 +4754,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/meta/identity_tag.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -4781,7 +4778,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/meta/std_fs.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -4817,6 +4814,11 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/value_t.hpp>
 
 
+// include after macro_scope.hpp
+#ifdef JSON_HAS_CPP_17
+    #include <optional> // optional
+#endif
+
 NLOHMANN_JSON_NAMESPACE_BEGIN
 namespace detail
 {
@@ -4832,7 +4834,6 @@ inline void from_json(const BasicJsonType& j, typename std::nullptr_t& n)
 }
 
 #ifdef JSON_HAS_CPP_17
-#ifndef JSON_USE_IMPLICIT_CONVERSIONS
 template<typename BasicJsonType, typename T>
 void from_json(const BasicJsonType& j, std::optional<T>& opt)
 {
@@ -4845,8 +4846,6 @@ void from_json(const BasicJsonType& j, std::optional<T>& opt)
         opt.emplace(j.template get<T>());
     }
 }
-
-#endif // JSON_USE_IMPLICIT_CONVERSIONS
 #endif // JSON_HAS_CPP_17
 
 // overloads for basic_json template parameters
@@ -5325,7 +5324,10 @@ inline void from_json(const BasicJsonType& j, std_fs::path& p)
         JSON_THROW(type_error::create(302, concat("type must be string, but is ", j.type_name()), &j));
     }
     const auto& s = *j.template get_ptr<const typename BasicJsonType::string_t*>();
-#ifdef JSON_HAS_CPP_20
+    // Checking for C++20 standard or later can be insufficient in case the
+    // library support for char8_t is either incomplete or was disabled
+    // altogether. Use the __cpp_lib_char8_t feature test instead.
+#if defined(__cpp_lib_char8_t) && (__cpp_lib_char8_t >= 201907L)
     p = std_fs::path(std::u8string_view(reinterpret_cast<const char8_t*>(s.data()), s.size()));
 #else
     p = std_fs::u8path(s); // accepts UTF-8 encoded std::string in C++17, deprecated in C++20
@@ -5364,7 +5366,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/conversions/to_json.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -5380,7 +5382,8 @@ NLOHMANN_JSON_NAMESPACE_END
 
 #include <algorithm> // copy
 #include <iterator> // begin, end
-#include <string> // string
+#include <memory> // allocator_traits
+#include <string> //  basic_string, char_traits
 #include <tuple> // tuple, get
 #include <type_traits> // is_same, is_constructible, is_floating_point, is_enum, underlying_type
 #include <utility> // move, forward, declval, pair
@@ -5390,7 +5393,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/iterators/iteration_proxy.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -5414,7 +5417,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/string_utils.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -5914,7 +5917,7 @@ struct external_constructor<value_t::object>
 #ifdef JSON_HAS_CPP_17
 template<typename BasicJsonType, typename T,
          enable_if_t<std::is_constructible<BasicJsonType, T>::value, int> = 0>
-void to_json(BasicJsonType& j, const std::optional<T>& opt)
+void to_json(BasicJsonType& j, const std::optional<T>& opt) noexcept
 {
     if (opt.has_value())
     {
@@ -6087,15 +6090,21 @@ inline void to_json(BasicJsonType& j, const T& t)
 }
 
 #if JSON_HAS_FILESYSTEM || JSON_HAS_EXPERIMENTAL_FILESYSTEM
+#if defined(__cpp_lib_char8_t)
+template<typename BasicJsonType, typename Tr, typename Allocator>
+inline void to_json(BasicJsonType& j, const std::basic_string<char8_t, Tr, Allocator>& s)
+{
+    using OtherAllocator = typename std::allocator_traits<Allocator>::template rebind_alloc<char>;
+    j = std::basic_string<char, std::char_traits<char>, OtherAllocator>(s.begin(), s.end(), s.get_allocator());
+}
+#endif
+
 template<typename BasicJsonType>
 inline void to_json(BasicJsonType& j, const std_fs::path& p)
 {
-#ifdef JSON_HAS_CPP_20
+    // Returns either a std::string or a std::u8string depending whether library
-    const std::u8string s = p.u8string();
+    // support for char8_t is enabled.
-    j = std::string(s.begin(), s.end());
+    j = p.u8string();
-#else
-    j = p.u8string(); // returns std::string in C++17
-#endif
 }
 #endif
 
@@ -6170,7 +6179,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/byte_container_with_subtype.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -6282,7 +6291,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/hash.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -6415,7 +6424,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/input/binary_reader.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -6444,7 +6453,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/input/input_adapters.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -6999,7 +7008,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/input/json_sax.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -7018,7 +7027,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/input/lexer.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -9642,7 +9651,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/meta/is_sax.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -12602,17 +12611,22 @@ class binary_reader
         {
             return;
         }
-        if constexpr(std::is_integral_v<NumberType>)
+        else if constexpr(std::is_integral_v<NumberType>)
         {
             number = std::byteswap(number);
             return;
         }
-#endif
+        else
-        auto* ptr = reinterpret_cast<std::uint8_t*>(&number);
-        for (std::size_t i = 0; i < sz / 2; ++i)
         {
-            std::swap(ptr[i], ptr[sz - i - 1]);
+#endif
+            auto* ptr = reinterpret_cast<std::uint8_t*>(&number);
+            for (std::size_t i = 0; i < sz / 2; ++i)
+            {
+                std::swap(ptr[i], ptr[sz - i - 1]);
+            }
+#ifdef __cpp_lib_byteswap
         }
+#endif
     }
 
     /*
@@ -12850,7 +12864,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/input/parser.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -13379,7 +13393,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/iterators/internal_iterator.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -13392,7 +13406,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/iterators/primitive_iterator.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -13551,7 +13565,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/iterators/iter_impl.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -14322,7 +14336,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/iterators/json_reverse_iterator.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -14457,7 +14471,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/json_custom_base_class.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -14499,7 +14513,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/json_pointer.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -15494,7 +15508,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/json_ref.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -15588,7 +15602,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/output/binary_writer.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -15614,7 +15628,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/output/output_adapters.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -16713,9 +16727,9 @@ class binary_writer
         if (JSON_HEDLEY_UNLIKELY(it != BasicJsonType::string_t::npos))
         {
             JSON_THROW(out_of_range::create(409, concat("BSON key cannot contain code point U+0000 (at byte ", std::to_string(it), ")"), &j));
-            static_cast<void>(j);
         }
 
+        static_cast<void>(j);
         return /*id*/ 1ul + name.size() + /*zero-terminator*/1u;
     }
 
@@ -17594,7 +17608,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/output/serializer.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2008 - 2009 Björn Hoehrmann <bjoern@hoehrmann.de>
@@ -17611,6 +17625,7 @@ NLOHMANN_JSON_NAMESPACE_END
 #include <cstdint> // uint8_t
 #include <cstdio> // snprintf
 #include <limits> // numeric_limits
+#include <sstream> // string_stream
 #include <string> // string, char_traits
 #include <iomanip> // setfill, setw
 #include <type_traits> // is_same
@@ -17619,7 +17634,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/detail/conversions/to_chars.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2009 Florian Loitsch <https://florian.loitsch.com/>
@@ -19483,7 +19498,7 @@ class serializer
 
         // jump to the end to generate the string from backward,
         // so we later avoid reversing the result
-        buffer_ptr += n_chars;
+        buffer_ptr += static_cast<typename decltype(number_buffer)::difference_type>(n_chars);
 
         // Fast int2ascii implementation inspired by "Fastware" talk by Andrei Alexandrescu
         // See: https://www.youtube.com/watch?v=o4-CwDo2zpg
@@ -19548,53 +19563,13 @@ class serializer
 
     void dump_float(number_float_t x, std::false_type /*is_ieee_single_or_double*/)
     {
-        // get number of digits for a float -> text -> float round-trip
+        std::ostringstream oss;
-        static constexpr auto d = std::numeric_limits<number_float_t>::max_digits10;
+        oss.precision(std::numeric_limits<number_float_t>::max_digits10);
+        oss.imbue(std::locale::classic());
+        oss << std::defaultfloat << x;
 
-        // the actual conversion
+        const auto s = oss.str();
-        // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
+        o->write_characters(s.c_str(), s.size());
-        std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, x);
-
-        // negative value indicates an error
-        JSON_ASSERT(len > 0);
-        // check if buffer was large enough
-        JSON_ASSERT(static_cast<std::size_t>(len) < number_buffer.size());
-
-        // erase thousands separator
-        if (thousands_sep != '\0')
-        {
-            // NOLINTNEXTLINE(readability-qualified-auto,llvm-qualified-auto): std::remove returns an iterator, see https://github.com/nlohmann/json/issues/3081
-            const auto end = std::remove(number_buffer.begin(), number_buffer.begin() + len, thousands_sep);
-            std::fill(end, number_buffer.end(), '\0');
-            JSON_ASSERT((end - number_buffer.begin()) <= len);
-            len = (end - number_buffer.begin());
-        }
-
-        // convert decimal point to '.'
-        if (decimal_point != '\0' && decimal_point != '.')
-        {
-            // NOLINTNEXTLINE(readability-qualified-auto,llvm-qualified-auto): std::find returns an iterator, see https://github.com/nlohmann/json/issues/3081
-            const auto dec_pos = std::find(number_buffer.begin(), number_buffer.end(), decimal_point);
-            if (dec_pos != number_buffer.end())
-            {
-                *dec_pos = '.';
-            }
-        }
-
-        o->write_characters(number_buffer.data(), static_cast<std::size_t>(len));
-
-        // determine if we need to append ".0"
-        const bool value_is_int_like =
-            std::none_of(number_buffer.begin(), number_buffer.begin() + len + 1,
-                         [](char c)
-        {
-            return c == '.' || c == 'e';
-        });
-
-        if (value_is_int_like)
-        {
-            o->write_characters(".0", 2);
-        }
     }
 
     /*!
@@ -19715,7 +19690,7 @@ NLOHMANN_JSON_NAMESPACE_END
 // #include <nlohmann/ordered_map.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -20266,7 +20241,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
     {
         basic_json result;
 
-        result["copyright"] = "(C) 2013-2023 Niels Lohmann";
+        result["copyright"] = "(C) 2013-2025 Niels Lohmann";
         result["name"] = "JSON for Modern C++";
         result["url"] = "https://github.com/nlohmann/json";
         result["version"]["string"] =
@@ -20531,7 +20506,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
                     object = nullptr;  // silence warning, see #821
                     if (JSON_HEDLEY_UNLIKELY(t == value_t::null))
                     {
-                        JSON_THROW(other_error::create(500, "961c151d2e87f2686a955a9be24d316f1362bf21 3.11.3", nullptr)); // LCOV_EXCL_LINE
+                        JSON_THROW(other_error::create(500, "961c151d2e87f2686a955a9be24d316f1362bf21 3.12.0", nullptr)); // LCOV_EXCL_LINE
                     }
                     break;
                 }
@@ -25318,7 +25293,7 @@ inline void swap(nlohmann::NLOHMANN_BASIC_JSON_TPL& j1, nlohmann::NLOHMANN_BASIC
 // #include <nlohmann/detail/macro_unscope.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -25364,7 +25339,7 @@ inline void swap(nlohmann::NLOHMANN_BASIC_JSON_TPL& j1, nlohmann::NLOHMANN_BASIC
 // #include <nlohmann/thirdparty/hedley/hedley_undef.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

single_include/nlohmann/json_fwd.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -18,7 +18,7 @@
 // #include <nlohmann/detail/abi_macros.hpp>
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
@@ -30,15 +30,15 @@
 
 #ifndef JSON_SKIP_LIBRARY_VERSION_CHECK
     #if defined(NLOHMANN_JSON_VERSION_MAJOR) && defined(NLOHMANN_JSON_VERSION_MINOR) && defined(NLOHMANN_JSON_VERSION_PATCH)
-        #if NLOHMANN_JSON_VERSION_MAJOR != 3 || NLOHMANN_JSON_VERSION_MINOR != 11 || NLOHMANN_JSON_VERSION_PATCH != 3
+        #if NLOHMANN_JSON_VERSION_MAJOR != 3 || NLOHMANN_JSON_VERSION_MINOR != 12 || NLOHMANN_JSON_VERSION_PATCH != 0
             #warning "Already included a different version of the library!"
         #endif
     #endif
 #endif
 
 #define NLOHMANN_JSON_VERSION_MAJOR 3   // NOLINT(modernize-macro-to-enum)
-#define NLOHMANN_JSON_VERSION_MINOR 11  // NOLINT(modernize-macro-to-enum)
+#define NLOHMANN_JSON_VERSION_MINOR 12  // NOLINT(modernize-macro-to-enum)
-#define NLOHMANN_JSON_VERSION_PATCH 3   // NOLINT(modernize-macro-to-enum)
+#define NLOHMANN_JSON_VERSION_PATCH 0   // NOLINT(modernize-macro-to-enum)
 
 #ifndef JSON_DIAGNOSTICS
     #define JSON_DIAGNOSTICS 0

tests/abi/config/config.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/abi/config/custom.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/abi/config/default.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/abi/config/noversion.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/abi/diag/diag.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/abi/diag/diag.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/abi/diag/diag_off.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/abi/diag/diag_on.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/abi/inline_ns/use_current.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/abi/inline_ns/use_v3_10_5.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/abi/main.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/benchmarks/src/benchmarks.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/cmake_add_subdirectory/project/main.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/cmake_fetch_content/project/main.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/cmake_fetch_content2/project/main.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/cmake_import/project/main.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/cmake_import_minver/project/main.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/cmake_target_include_directories/project/Bar.cpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>

tests/cmake_target_include_directories/project/Bar.hpp

@@ -1,6 +1,6 @@
 //     __ _____ _____ _____
 //  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
-// |  |  |__   |  |  | | | |  version 3.11.3
+// |  |  |__   |  |  | | | |  version 3.12.0
 // |_____|_____|_____|_|___|  https://github.com/nlohmann/json
 //
 // SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>