diff --git a/.editorconfig b/.editorconfig
index 6583457a..c8fbb7e9 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,2 +1,4 @@
 [start-*]
-indent_size = 2
\ No newline at end of file
+indent_size = 2
+indent_style = space
+end_of_line = lf
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9e436904..93c06f1e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,12 +8,14 @@ on:
       - openj9-nightly
       - adopt11
       - adopt13
+      - adopt14
     tags:
       - "[0-9]+.[0-9]+.[0-9]+"
       - "[0-9]+.[0-9]+.[0-9]+-openj9"
       - "[0-9]+.[0-9]+.[0-9]+-openj9-nightly"
       - "[0-9]+.[0-9]+.[0-9]+-adopt11"
       - "[0-9]+.[0-9]+.[0-9]+-adopt13"
+      - "[0-9]+.[0-9]+.[0-9]+-adopt14"
 
 jobs:
   test:
diff --git a/Dockerfile b/Dockerfile
index 771c7cd1..9dfe49cd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -55,7 +55,7 @@ RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
 RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
- --var version=1.4.3 --var app=mc-server-runner --file {{.app}} \
+ --var version=1.5.0 --var app=mc-server-runner --file {{.app}} \
  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
 RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
diff --git a/README.md b/README.md
index a9b71349..3a9083f2 100644
--- a/README.md
+++ b/README.md
@@ -421,9 +421,9 @@ You can build spigot from source by adding `-e BUILD_FROM_SOURCE=true`
 
 If you have attached a host directory to the `/data` volume, then you can install plugins within the `plugins` subdirectory. You can also [attach a `/plugins` volume](#deploying-plugins-from-attached-volume). If you add plugins while the container is running, you'll need to restart it to pick those up.
 
-## Running a PaperSpigot server
+## Running a Paper server
 
-Enable PaperSpigot server mode by adding a `-e TYPE=PAPER` to your command-line.
+Enable Paper server mode by adding a `-e TYPE=PAPER` to your command-line.
 
 By default the container will run the latest build of [Paper server](https://papermc.io/downloads)
 but you can also choose to run a specific build with `-e PAPERBUILD=205`.
@@ -432,7 +432,7 @@ but you can also choose to run a specific build with `-e PAPERBUILD=205`.
         -e TYPE=PAPER \
         -p 25565:25565 -e EULA=TRUE --name mc itzg/minecraft-server
 
-If you are hosting your own copy of PaperSpigot you can override the download URL with:
+If you are hosting your own copy of Paper you can override the download URL with:
 
 - -e PAPER_DOWNLOAD_URL=<url>
 
@@ -482,7 +482,7 @@ A [Catserver](http://catserver.moe/) type server can be used with
 [Feed the Beast application](https://www.feed-the-beast.com/) modpacks are supported by using `-e TYPE=FTBA` (**note** the "A" at the end of the type). This server type will automatically take care of downloading and installing the modpack and appropriate version of Forge, so the `VERSION` does not need to be specified.
 
 ### Environment Variables:
-- `FTB_MODPACK_ID`: **required**, the numerical ID of the modpack to install. The ID can be located by finding the modpack at [Neptune FTB](https://ftb.neptunepowered.org/) and using the "Pack ID"
+- `FTB_MODPACK_ID`: **required**, the numerical ID of the modpack to install. The ID can be located by [finding the modpack](https://www.feed-the-beast.com/modpack) and using the "ID" displayed next to the name
 - `FTB_MODPACK_VERSION_ID`: optional, the numerical Id of the version to install. If not specified, the latest version will be installed. The "Version ID" can be obtained by drilling into the Versions tab and clicking a specific version.
 
 ### Upgrading
@@ -1104,6 +1104,10 @@ Some older versions (pre-1.14) of Spigot required `--noconsole` to be passed whe
 Some older servers get confused and think that the GUI interface is enabled. You can explicitly
 disable that by passing `-e GUI=FALSE`.
 
+### Stop Duration
+
+When the container is signalled to stop, the Minecraft process wrapper will attempt to send a "stop" command via RCON or console and waits for the process to gracefully finish. By defaul it waits 60 seconds, but that duration can be configured by setting the environment variable `STOP_DURATION` to the number of seconds.
+
 ## Running on RaspberryPi
 
 To run this image on a RaspberryPi 3 B+, 4, or newer, use the image tag
diff --git a/start-deployCF b/start-deployCF
index 3af069a7..3c902953 100644
--- a/start-deployCF
+++ b/start-deployCF
@@ -3,6 +3,7 @@
 set -e
 
 . ${SCRIPTS:-/}start-utils
+isDebugging && set -x
 
 export FTB_BASE_DIR=/data/FeedTheBeast
 legacyJavaFixerUrl=http://ftb.cursecdn.com/FTB2/maven/net/minecraftforge/lex/legacyjavafixer/1.0/legacyjavafixer-1.0.jar
@@ -14,7 +15,7 @@ log "Looking for Feed-The-Beast / CurseForge server modpack."
 requireVar FTB_SERVER_MOD
 
 if ! isTrue ${USE_MODPACK_START_SCRIPT:-true}; then
-  if ! [ -f ${FTB_SERVER_MOD} ]; then
+  if ! [ -f "${FTB_SERVER_MOD}" ]; then
     log "ERROR unable to find requested modpack file ${FTB_SERVER_MOD}"
     exit 2
   fi
@@ -37,22 +38,25 @@ if ! isTrue ${USE_MODPACK_START_SCRIPT:-true}; then
   if $needsInstall; then
     log "Unpacking FTB server modpack ${FTB_SERVER_MOD} ..."
     mkdir -p ${FTB_BASE_DIR}
-    unzip -o ${FTB_SERVER_MOD} -d ${FTB_BASE_DIR} | awk '{printf "."} END {print ""}'
+    unzip -o "${FTB_SERVER_MOD}" -d ${FTB_BASE_DIR} | awk '{printf "."} END {print ""}'
 
-    forgeInstallerJar=$(find ${FTB_BASE_DIR} -name "forge*installer.jar")
-    if [[ -z "${forgeInstallerJar}" ]]; then
-      log "ERROR Unable to find forge installer in modpack."
-      log "      Make sure you downloaded the server files."
-      exit 2
+    serverJar=$(find ${FTB_BASE_DIR}  -path "*/libraries/*" -prune -type f -o  -not -name "forge*installer.jar" -name "forge*.jar")
+    if [[ -z "$serverJar" ]]; then
+      forgeInstallerJar=$(find ${FTB_BASE_DIR} -name "forge*installer.jar")
+      if [[ -z "${forgeInstallerJar}" ]]; then
+        log "ERROR Unable to find forge installer in modpack."
+        log "      Make sure you downloaded the server files."
+        exit 2
+      fi
+
+      log "Installing forge server"
+      (cd $(dirname "${forgeInstallerJar}"); java -jar $(basename "${forgeInstallerJar}") --installServer) | awk '{printf "."} END {print ""}'
     fi
 
-    log "Installing forge server"
-    (cd $(dirname "${forgeInstallerJar}"); java -jar $(basename ${forgeInstallerJar}) --installServer) | awk '{printf "."} END {print ""}'
-
     echo "${FTB_SERVER_MOD}" > $installMarker
   fi
 
-  export SERVER=$(find ${FTB_BASE_DIR} -not -name "forge*installer.jar" -name "forge*.jar")
+  export SERVER=$(find ${FTB_BASE_DIR}  -path "*/libraries/*" -prune -type f -o  -not -name "forge*installer.jar" -name "forge*.jar")
   if [[ -z "${SERVER}" || ! -f "${SERVER}" ]]; then
     log "ERROR unable to locate installed forge server jar"
     isDebugging && find ${FTB_BASE_DIR} -name "forge*.jar"
@@ -89,7 +93,7 @@ fi
 # this allows saving just the world separate from the rest of the data directory
 if [[ $startScriptCount = 0 ]]; then
   srv_modpack=${FTB_SERVER_MOD}
-  if isURL ${srv_modpack}; then
+  if isURL "${srv_modpack}"; then
       case $srv_modpack in
         https://www.feed-the-beast.com/*/download|https://www.curseforge.com/minecraft/modpacks/*/download/*/file)
           ;;
@@ -107,19 +111,19 @@ if [[ $startScriptCount = 0 ]]; then
       fi
       srv_modpack=$downloaded
   fi
-  if [[ ${srv_modpack:0:5} == "data/" ]]; then
+  if [[ "${srv_modpack:0:5}" == "data/" ]]; then
       # Prepend with "/"
-      srv_modpack=/${srv_modpack}
+      srv_modpack="/${srv_modpack}"
   fi
-  if [[ ! ${srv_modpack:0:1} == "/" ]]; then
+  if [[ ! "${srv_modpack:0:1}" == "/" ]]; then
       # If not an absolute path, assume file is in "/data"
       srv_modpack=/data/${srv_modpack}
   fi
-  if [[ ! -f ${srv_modpack} ]]; then
+  if [[ ! -f "${srv_modpack}" ]]; then
       log "FTB server modpack ${srv_modpack} not found."
       exit 2
   fi
-  if [[ ! ${srv_modpack: -4} == ".zip" ]]; then
+  if [[ ! "${srv_modpack: -4}" == ".zip" ]]; then
       log "FTB server modpack ${srv_modpack} is not a zip archive."
       log "Please set FTB_SERVER_MOD to a file with a .zip extension."
       exit 2
@@ -127,7 +131,7 @@ if [[ $startScriptCount = 0 ]]; then
 
   log "Unpacking FTB server modpack ${srv_modpack} ..."
   mkdir -p ${FTB_BASE_DIR}
-  unzip -o ${srv_modpack} -d ${FTB_BASE_DIR} | awk '{printf "."} END {print ""}'
+  unzip -o "${srv_modpack}" -d ${FTB_BASE_DIR} | awk '{printf "."} END {print ""}'
 fi
 
 if [[ $(find ${FTB_BASE_DIR} $entryScriptExpr | wc -l) = 0 ]]; then
@@ -165,7 +169,7 @@ export FTB_SERVER_START=$(find "${FTB_BASE_DIR}" $entryScriptExpr)
 
 export FTB_DIR=$(dirname "${FTB_SERVER_START}")
 chmod a+x "${FTB_SERVER_START}"
-grep fml.queryResult=confirm ${FTB_SERVER_START} > /dev/null || \
+grep fml.queryResult=confirm "${FTB_SERVER_START}" > /dev/null || \
     sed -i 's/-jar/-Dfml.queryResult=confirm -jar/' "${FTB_SERVER_START}"
 sed -i 's/.*read.*Restart now/#\0/' "${FTB_SERVER_START}"
 legacyJavaFixerPath="${FTB_DIR}/mods/legacyjavafixer.jar"
diff --git a/start-deployPaper b/start-deployPaper
index 1bc5839e..6a84a51c 100644
--- a/start-deployPaper
+++ b/start-deployPaper
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 . ${SCRIPTS:-/}start-utils
+set -o pipefail
 
 : ${PAPERBUILD:=latest}
 export SERVER=paper_server-${VANILLA_VERSION}-${PAPERBUILD}.jar
@@ -11,10 +12,32 @@ fi
 
 downloadUrl=${PAPER_DOWNLOAD_URL:-https://papermc.io/api/v1/paper/${VANILLA_VERSION}/${PAPERBUILD}/download}
 log "Downloading Paper $VANILLA_VERSION (build $PAPERBUILD) from $downloadUrl ..."
-if ! curl -fsSL -o "$SERVER" $zarg "$downloadUrl"; then
-  log "ERROR: failed to download from $downloadUrl (status=$?)"
-  exit 3
-fi
+out=$(curl -fsSL -o "$SERVER" $zarg "$downloadUrl" 2>&1)
+case $? in
+  0)
+    ;;
+  22) # = 404 HTTP status
+    if versions=$(curl -fsSL https://papermc.io/api/v1/paper 2> /dev/null); then
+      if [[ $VERSION = LATEST ]]; then
+        VANILLA_VERSION=$(echo $versions | jq -r '.versions[0]')
+        log "WARN: using ${VANILLA_VERSION} since that's the latest provided by PaperMC"
+        # re-execute the current script with the newly computed version
+        exec $0 "$@"
+      fi
+      log "ERROR: ${VANILLA_VERSION} is not (yet) published by PaperMC"
+      log "       Set VERSION to one of the following: "
+      log "       $(echo $versions | jq -r '.versions | join(", ")')"
+    else
+      log "ERROR: failed to retrieve versions from https://papermc.io/api/v1/paper"
+    fi
+    exit 3
+    ;;
+  *)
+    log "ERROR: failed to contact PaperMC at $downloadUrl"
+    log "       $out"
+    exit 3
+    ;;
+esac
 
 # Normalize on Spigot for downstream operations
 export TYPE=SPIGOT
diff --git a/start-minecraftFinalSetup b/start-minecraftFinalSetup
index 21b933cf..c2377d3a 100644
--- a/start-minecraftFinalSetup
+++ b/start-minecraftFinalSetup
@@ -173,7 +173,7 @@ function copyFilesForCurseForge() {
   cp -f /data/eula.txt "${FTB_DIR}/"
 }
 
-mcServerRunnerArgs="--stop-duration 60s"
+mcServerRunnerArgs="--stop-duration ${STOP_DURATION:-60}s"
 if [[ ${TYPE} == "CURSE_INSTANCE" ]]; then
     if isTrue ${DEBUG_EXEC}; then
       set -x