Unreal Engine Issues
Unreal Engine Issues
Linux: async loading code crashes when memory pooling is enabled
UE - Platform - Linux - May 9, 2017The reasons is a bad interaction between FIND_MEMORY_STOMPS code in AsyncLoading.cpp and memory pooling. Async loading will set PrecacheBuffer to read/only and will never reset it back, expecting ...
When the Transform of InstancedStaticMesh is updated, the Random Seed value of PerInstanceRandom is updated.
UE - Graphics Features - Oct 18, 2017When updating Transform of InstancedStaticMesh by UpdateInstanceTransform, PerInstanceRandom used in Material is updated. With 4.16 does not update the RandomSeed value. ...
WebBrowser SetVisibility not working on Android & iOS
UE - Platform - Mobile - May 29, 2018SetVisibility not working with Web Browser Widget on mobile devices ...
Foliage is visually missing in HTML5
UE - Platform - Mobile - Jun 26, 2018Foliage is visually missing in HTML5. This is a new issue and does not occur in 4.19, I believe that it may be correlated to this issue here.https://jira.it.epicgames.net/browse/UE-59573 ...
Sequencer: first rendered frame doesn't use AA
UE - Anim - Sequencer - Apr 22, 2019"Sequencer: first rendered frame doesn't use AA/motion blur even with a warmup period." ...
Maya Shotgun turntable generation not compatible with Unreal 4.22
UE - Editor - Content Pipeline - Import and Export - Apr 26, 2019Google VR - Pixel Density broken
UE - Platform - XR - May 23, 2019PixelDensity not changing with Google VR Did not repro on Oculus Go Confirmed in MAIN 4.23 @ CL 6395234 ...
FUniqueNetIdRepl::NetSerialize() crashes when embedded in a TArray() of structs.
UE - Networking - Jun 29, 2020Calling the NetSerialize() function of FUniqueNetIdRepl from a custom NetSerialize() causes a crash. This only seems to occur when the struct is part of an array RPC parameter. ...
Crash occur when switching the Ray Tracing shadow function when only shadow is enabled in the Ray Tracing
UE - Graphics Features - Lumen - Sep 16, 2020According to the licensee, this problem is caused by a variable inconsistency in Cvar. The cause seems to be the difference between the CVar reference when generating RayTracingSceneRHI and the CVa ...
ios threads freeze for almost one second when notifications pop up
UE - Platform - Apple - Mar 18, 2021see the UDN .Setting bOtherAudioPlayingNow to always false can workaround the problem, but it's better to have a more robust solution. ...