Unreal Engine Issues
Unreal Engine Issues
Possible to have a null AudioComponent in ApplySettings
UE - Audio - Mar 5, 2018User is having issues where they are getting crashes in ApplyVoiceSettings. This should only ever be called from FVoiceEngineImpl::SubmitRemoteVoiceData. In that method, if no SynthComponent is av ...
Static Meshes that are reimported with less materials can lead to map check errors on instances that had overriden materials that require manual cleanup
UE - Rendering Architecture - Feb 5, 2025StaticMeshActors placed in the world can override the default materials of a static mesh. If the static mesh is then reimported with less materials, the actors maintain references to unused material ...
Android Projects packaged for arm64 crash on device.
UE - Platform - Mobile - Aug 9, 2016This issue was discovered while smoke testing Release 4.13 for Preview 2. ...
Multiplayer Shootout project sample is crashing on start
Docs - Samples - Apr 3, 2015The project sample Multiplayer Shootout in the Learn tab is crashing on start up with 4.7.4 Crash does not occur on 4.8. Tested by Patrick.D on Main CL-2498147 Pass in 4.7.5 dev. - CKC 2503383 ...
Fbx Camera doesn't import Focus Distance
UE - Anim - Sequencer - Mar 5, 2018When importing a camera from maya through .fbx, focus distance is not correctly imported. See images attached. Client initially reported. Can reproduce. ...
USD Stage is not available on Mac and Linux
UE - Editor - Content Pipeline - Import and Export - Dec 17, 2019On Mac and Linux the option to open the USD Stage window is not there like it is on Windows. This is not a regression since USD Stage was not preset in 4.23.1 (CL-9631420) on any platform. ...
Custom data update crash - invalid memory when removing an instance from a UHierarchicalInstancedStaticMeshComponent
UE - World Creation - Worldbuilding Tools - HLOD - May 3, 2022This is a race condition, did not crash with -onethread. Attached the collected threaded callstacks, although they look misaligned. Licensee has provided a suggested fix. ...
Cloth simulation doesn't work correctly if Compute Skin Cache is ON.
UE - Simulation - Physics - Character - Aug 16, 2018It seems that cloth simulation doesn't work correctly on 4.20 if Compute Skin Cache is ON. We can easily repro it with Content Example [Link Removed] Is this by design? ...
Apple TV offline saves fix
UE - Platform - Mobile - Jul 31, 2019Offline save games don't work on Apple TV, (in fact all file operations fail) because Apple has decided that you can't store anything in the NSDocumentDirectory anymore. The fix is to replace occurr ...
UObject Macro Libraries cannot use functions that require a WorldContext
UE - Gameplay - Blueprint Editor - Jan 11, 2024If you make a Blueprint Macro Library that derives from UObject you are then unable to use any functions that require a WorldContext, like Delay. This is because the WorldContext cannot be assumed l ...