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Add JSON_STRICT_BINARY_UTF8 to the 4.0 roadmap

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The macro comes from #5741: the CBOR, UBJSON, BJData, and BSON writers keep writing ill-formed UTF-8 unchanged in 3.x and are planned to check it by default in 4.0.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
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Niels Lohmann
2026-10-02 10:12:07 +02:00
parent 53fc09b3ab
commit 0e4c1d4f0b
1 changed files with 2 additions and 0 deletions
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docs/mkdocs/docs/community/roadmap.md
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@@ -63,6 +63,7 @@ The following macros guard changes that are planned to become the default in ver
| [`JSON_BRACE_INIT_COPY_SEMANTICS`](../api/macros/json_brace_init_copy_semantics.md) | `0` | `1`: single-element brace initialization such as `#!cpp json j{obj};` copies the element instead of creating an array | – | 3.13.0 |
| [`JSON_PRECISE_STREAM_POSITION`](../api/macros/json_precise_stream_position.md) | `0` | `1`: reading from a stream does not consume the character after a number | – | 3.13.0 |
| [`JSON_STRICT_NUL_HANDLING`](../api/macros/json_strict_nul_handling.md) | `0` | `1`: a NUL byte in the input is a parse error instead of the end of input | [`JSON_StrictNulHandling`](../integration/cmake.md#json_strictnulhandling) | 3.13.0 |
| [`JSON_STRICT_BINARY_UTF8`](../api/macros/json_strict_binary_utf8.md) | `0` | `1`: `to_cbor`, `to_ubjson`, `to_bjdata`, and `to_bson` throw for strings that are not valid UTF-8 by default | [`JSON_StrictBinaryUTF8`](../integration/cmake.md#json_strictbinaryutf8) | 3.13.0 |
For example, the following makes a 3.x release behave like version 4.0 with respect to these changes:
@@ -73,6 +74,7 @@ For example, the following makes a 3.x release behave like version 4.0 with resp
#define JSON_BRACE_INIT_COPY_SEMANTICS 1
#define JSON_PRECISE_STREAM_POSITION 1
#define JSON_STRICT_NUL_HANDLING 1
#define JSON_STRICT_BINARY_UTF8 1
#include <nlohmann/json.hpp>
```