Unreal Engine Issues
Unreal Engine Issues
FAssetRegistry::SaveRegistryData fails check on redirected umaps
Tools - Feb 22, 2017When FAssetRegistry::SaveRegistryData() is invoked for a umap redirector it will fail the check check(!bIsMap || (InDependencyType == EAssetRegistryDependencyType::Soft)); Because the redirector ...
Nullptr dereference in FHeadMountedDisplay::UpdateSplashScreen()
UE - Platform - XR - Apr 5, 2017A customer has had problems running a game with a splash screen when passing -game flag to the editor. UpdateSpashScreen will call GetCurrentFrame, which can return a nullptr but fails to verify it ...
Sine Wave audio plays choppy in editor
UE - Audio - Dec 4, 2017Playing a sine wave as an audio sample in the editor produces a choppy sound when it does not outside of the editor. This issue does not appear to be a regression. Versions Tested: Issue occurs in ...
Impossible to reparent blueprint class that has a broken parent class when using compilation manager
UE - Gameplay - Blueprint Compiler - Dec 8, 2017Alternatively use BP_ParentClassIsMissingType in QAGame ...
Levels Panel "Move To" function does not move level to desired location
Tools - Jun 6, 2018Levels Panel "Move To" function will not move level to the desired location. The menu will stay open and do nothing when you try to move it. Found in 4.18 CL# 3832480, 4.19 CL# 4033788, 4.20 Prev ...
Animations don't update on the first frame of shots
UE - Anim - Sequencer - Jul 11, 2018Looks like this only happens for shots. I think this is because the tick prerequisites get set up on the frame of evaluation, and the skeletal mesh component doesn't get ticked until the next frame. ...
Swapping between Multiple Cloth Skeletal Meshes and Animation Classes in a Character Blueprint causes the Engine to crash
UE - Simulation - Physics - Aug 2, 2018When changing Cloth Skeletal Meshes and Animation Blueprints on a Character it will cause the Engine to crash during PIE. This is a regression from 4.19.2 (CL-4033788) as it was working as expected ...
Finish or Custom Event Tracks in a Timeline don't execute when 'Set New Time' is being used
UE - Gameplay - Aug 8, 2018When using Finish or Custom Event Tracks in a Timeline, they won't execute when 'Set New Time' is being used with another Timeline or Float value. This issue was reported and tested in 4.19.2 (CL ...
FTransform(ENoInit) ensures in Debug on mobile platforms
UE - Foundation - Core - Sep 25, 2018As of 4.20, ENABLE_NAN_DIAGNOSTIC is now enabled in all Debug configurations. However, this does not work well with the TransformNonVectorized that is used on platforms like android. If this combina ...
Ensure when adding more than one camera to world in VR mode
UE - Editor - Workflow Systems - Jun 13, 2017Ensure condition failed: Lhs.CurrentNum == Lhs.InitialNum [Link Removed] [Line: 197] Array has changed during ranged-for iteration! Ensure occurs after dragging in multiple cameras into the world i ...