Unreal Engine Issues
Unreal Engine Issues
Crash in FMediaPlayerBase::TickPlayer in Shipping builds
Media Framework - Jul 28, 2017A crash can occur in FMediaPlayerBase::TickPlayer in Shipping builds. This is because FMediaPlayerBase::NativePlayer is not a thread-safe shared pointer. The fix is to make it ESPMode::ThreadSafe. ...
Allow demo functions from Execute Console Command.
UE - Networking - Aug 10, 2017Continuation of [Link Removed] Previous ticket addressed the crash. However, it didn't fix the FScoedLevelCollectionContextSwitch to allow for demo commands to be run from Execute Console Commands. ...
GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used
UE - Graphics Features - Lumen - Sep 18, 2019GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...
Soft Object References set directly on parameters are not correctly referenced
UE - Gameplay - Mar 19, 2020REGRESSION: This regressed between 4.23 and 4.24 Assets set directly in a soft object reference pin on a blueprint function are not correctly referenced. ...
RetargetSource in AnimSeqeuence doesn't affect DDC key
UE - Anim - Runtime - Aug 4, 2020Retarget source doesn't affect DDC key, so it causes incorrect result. Changing the anim sequence DDC key generation to include it fixes this issue. ...
[Feature Request] Event triggering skipped in subsequences and shots
UE - Anim - Sequencer - Feb 11, 2021Events in subscenes can be skipped if playback skips over the end of the subscene before evaluating the event. ECS allows for determinism fences which can fix this issue. ...
There is a moment of T pause when Post Roll Frames is enabled and snapping is enabled
UE - Anim - Sequencer - Apr 19, 2021When I turn off snap, the problem does not occur The problem does not occur in 4.24.3 and 4.25.4 Occurs in 4.26.2 and UE4main ...
InitializeAnimScriptInstance may only need to be called if the mesh actually changes when restoring state in Sequencer
UE - Anim - Sequencer - Sep 23, 2021The fix for FURY-149 reinitializes the anim bp whenever the animation section restores state, it may only be necessary to reinitialize it if the skeletal mesh changes. ...
Camera manager will not tick if the game is paused on begin play or possessed events
UE - Gameplay - Gameplay Cameras - Nov 4, 2021This is an interesting bug because it is only happening on BeginPlay. I guess that there is some order of operations that the camera manager uses during creation that will stop if the game is paused ...
HighResolutionScreenshot result changed after migration to UE5
UE - Graphics Features - Aug 27, 2022There was no problem in UE4. It can be fixed on UE5 by the following workaround.console command 'r.Editor.Viewport.MaxRenderingResolution' set 'Realtime off' on viewport ...