... no official announcement. Probably Semmeringbahn related core adjustments. Here's what got updated: Train Sim World 4\WindowsNoEditor\TrainSimWorld.exe Train Sim World 4\WindowsNoEditor\TS2Prototype\Content\Paks\TS2Prototype-WindowsNoEditor.pak Train Sim World 4\WindowsNoEditor\TS2Prototype\Binaries\Win64\TrainSimWorld.exe Train Sim World 4\WindowsNoEditor\Engine\Binaries\Win64\CrashReportClient.exe
semmeringbahn depot has been updated also probably there was some modification in semmeringbahn's pak file and they released this update to bring the pak file in its latest version to the public branch