Unreal Engine Issues
Unreal Engine Issues
Code based BT task breaks after closing/reopening the editor
UE - AI - Sep 9, 2015A behavior tree task created in code will break in the editor behavior tree. The BTTask node shows as red and says that the class cannot be found. Node must be deleted and replaced to fix the erro ...
Able to see cut off landscape in SunTemple in VR
Docs - Samples - Jan 20, 2017When using the Oculus Rift the user can look over one of the balcony's railings and see where one of the landscapes cuts off. This occurs on the Oculus headset. UE-40907 causes the Vive to clip th ...
Compile 'Note' on BP Interface events
UE - Gameplay - Feb 23, 2017Compile 'Note' on BP Interface events. It happens in actor BPs and also BP Widgets. A similar issue was fixed back in 4.11 with Custom Events. Could be related? https://jira.it.epicgames.net/brows ...
Adjusting Agent Radius in RecastNavMesh causes AI to not move
UE - AI - Sep 9, 2015Adjusting the RecatNavMesh in a map can cause the AI to not move when simulating or playing in viewport. Setting it back to the default value does not fix the issue. I can only reproduce this with ...
Merging negative-scaled actors breaks materials
UE - World Creation - Worldbuilding Tools - HLOD - Mar 27, 2018Materials are broken when merging a mesh with another that has negative scale Licencee states that bisMirrored in FMeshMergeHelpers::TransformRawMeshVertexData seems to be involved. Does not occur ...
SceneCapture2D Crashes When Changing to a Mobile Preview
UE - Platform - Mobile - Oct 16, 2018With a SceneCapture2D actor in a level the editor will crash when changing to a mobile preview. Working as expected in 4.20 CL# 4369336 Found in 4.21 Preview 1 CL# 4435822 and 4.22 CL# 4470579 Th ...
PressMethod is not called in UButton::RebuildWidget()
UE - Editor - UI Systems - Slate - Nov 5, 2018The void function UButton::RebuildWidget() does not call PressMethod when rebuilding the widget. Tested 4.19.2 (CL- 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4537669), 4.22 (CL - 4531805) ...
Selecting Two Sided Foliage In Editor with Material Layers Enabled Causes Crash
UE - Graphics Features - Nov 20, 2018With material layers enabled, selecting two sided foliage will cause the engine to crash. This is working as expected in 4.20 CL# 4369336. Found in 4.21 CL# 4541578 and 4.22 CL# 4573698 This is a ...
OnAudioPlaybackPercent doesn't work after restarting the project
UE - Audio - Feb 7, 2019Using the OnAudioPlayback event in Blueprints does not work when playing the audio component its connected to while PIE, after restarting the project. Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL ...
AttachToComponent replication snapping to position instead of keeping relative location
UE - Networking - Feb 15, 2019When using AttachToComponent at runtime, the attachment does not replicate properly for some clients. The relative transform/rotation is not maintained. The user who reported this issue mentioned th ...