Update C library [4.1.0 -> 4.2.0]

Author: greenrobot-team

dev-doc/updating-c-library.md

@@ -19,15 +19,15 @@ for the binding update script (see below) and
 for Flutter (`flutter_libs` and `sync_flutter_libs` plugins) on Linux and Windows:
 
 ```bash
-./tool/set-c-version.sh 4.1.0
+./tool/set-c-version.sh 4.2.0
 ```
 
 ```text
-* Flutter for Linux/Windows, Dart Native: update to [objectbox-c 4.1.0](https://github.com/objectbox/objectbox-c/releases/tag/v4.1.0).
+* Update database runtime library for Flutter for Linux/Windows, Dart Native to [4.2.0](https://github.com/objectbox/objectbox-c/releases/tag/v4.2.0).
 ```
 
 ```text
-Update C library [4.0.2 -> 4.1.0]
+Update C library [4.1.0 -> 4.2.0]
 ```
 
 ### Android

flutter_libs/linux/CMakeLists.txt

@@ -44,7 +44,7 @@ target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::GTK)
 # ----------------------------------------------------------------------
 # Download and add objectbox-c prebuilt library.
 
-set(OBJECTBOX_VERSION 4.1.0)
+set(OBJECTBOX_VERSION 4.2.0)
 
 set(OBJECTBOX_ARCH ${CMAKE_SYSTEM_PROCESSOR})
 if (${OBJECTBOX_ARCH} MATCHES "x86_64")

flutter_libs/windows/CMakeLists.txt

@@ -50,7 +50,7 @@ set(objectbox_flutter_libs_bundled_libraries
 # ----------------------------------------------------------------------
 # Download and add objectbox-c prebuilt library.
 
-set(OBJECTBOX_VERSION 4.1.0)
+set(OBJECTBOX_VERSION 4.2.0)
 
 set(OBJECTBOX_ARCH ${CMAKE_SYSTEM_PROCESSOR})
 if (${OBJECTBOX_ARCH} MATCHES "AMD64")

install.sh

@@ -5,7 +5,7 @@ set -eu
 # It's important that the generated dart bindings and the c-api library version match. Dart won't error on C function
 # signature mismatch, leading to obscure memory bugs.
 # For how to upgrade the version see dev-doc/updating-c-library.md
-cLibVersion=4.1.0
+cLibVersion=4.2.0
 os=$(uname)
 cLibArgs="$*"
 

objectbox/CHANGELOG.md

@@ -4,6 +4,7 @@
 * Examples: demos are compatible with JDK 21 included with Android Studio Ladybug or later, require
   Flutter SDK 3.24 (with Dart SDK 3.5) or newer.
 * Requires at least Dart SDK 3.4 or Flutter SDK 3.22.
+* Update database runtime library for Flutter for Linux/Windows, Dart Native to [4.2.0](https://github.com/objectbox/objectbox-c/releases/tag/v4.2.0).
 
 ## 4.1.0 (2025-02-04)
 

sync_flutter_libs/linux/CMakeLists.txt

@@ -44,7 +44,7 @@ target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::GTK)
 # ----------------------------------------------------------------------
 # Download and add objectbox-c prebuilt library.
 
-set(OBJECTBOX_VERSION 4.1.0)
+set(OBJECTBOX_VERSION 4.2.0)
 
 set(OBJECTBOX_ARCH ${CMAKE_SYSTEM_PROCESSOR})
 if (${OBJECTBOX_ARCH} MATCHES "x86_64")

sync_flutter_libs/windows/CMakeLists.txt

@@ -50,7 +50,7 @@ set(objectbox_sync_flutter_libs_bundled_libraries
 # ----------------------------------------------------------------------
 # Download and add objectbox-c prebuilt library.
 
-set(OBJECTBOX_VERSION 4.1.0)
+set(OBJECTBOX_VERSION 4.2.0)
 
 set(OBJECTBOX_ARCH ${CMAKE_SYSTEM_PROCESSOR})
 if (${OBJECTBOX_ARCH} MATCHES "AMD64")