• Update ObjectBox database for Flutter Linux/Windows, Dart Native apps to 4.3.0.
  This includes significant improvements to ObjectBox Sync like raising the maximum messages/transaction size.
• Update ObjectBox database for Flutter Android apps to 4.3.0.
  If your project is using Admin, make
  sure to update to io.objectbox:objectbox-android-objectbrowser:4.3.0 in android/app/build.gradle.
• Update ObjectBox database for Flutter iOS/macOS apps to 4.3.0.
  For existing projects, run pod repo update and pod update ObjectBox in the ios or macos directories.
• External property types (via MongoDB connector):
  add jsonToNative to support sub (embedded/nested) documents/arrays in MongoDB.