Unreal Engine Issues
Unreal Engine Issues
Recorded sequences create broken "Visibility" tracks instead of "Hidden in Game" Tracks
UE - Anim - Sequencer - Jun 19, 2017Recorded sequences create "Visibility" tracks instead of "Hidden in Game" Tracks. "Visibility" tracks appear to be legacy tracks that you can't create anymore, but is still created by Sequence Reco ...
[CrashReport] UE4Editor_Foliage!FMulticastDelegateBase<FWeakObjectPtr>::AddInternal() [multicastdelegatebase.h:113]
UE - World Creation - Worldbuilding Tools - Foliage - Jul 6, 2017This is a common crash in the 4.16 release. The callstack is similar to [Link Removed], but that was fixed in 4.16.2 while this crash still occurs. Users have not provided any additional informati ...
Characters using NavWalking on server have noticeable jitter on clients at lower framerates
UE - AI - Aug 23, 2018AI nav walking doesn't allow clients to set a "Base" for the character (SetBase from UpdateFloorFromAdjustment), so there is no floor result on frames where there is a net update. This causes simula ...
Crash when generating mip maps for texture
UE - Graphics Features - Dec 23, 2019Generating mip maps results in crash and seems to duplicated 1x1 mip level. NOTE: The bug was originally reported in 4.23.1, however, for some reason I was able to open the texture in 4.23.1 afte ...
Unable to Import Alembic Files in UE4
UE - Editor - Content Pipeline - Import and Export - Feb 25, 2020We have written a plugin for UE4 that allows Unreal users to import and set up Megascans assets into Unreal Engine. Recently we added Alembic files to our assets and also updated all our plugins to ...
Regular UMG Widgets can be reparented to editor widgets but do not work.
Tools - May 11, 2020This may just need to be closed, we may not be able to control this at such a level. This really comes up more than you would guess. I think almost everyone has made a widget, wanted to call Edito ...
CopyTask in BuildGraph never throws an exception if the copy fails
UE - Foundation - Horde - BuildGraph - Feb 28, 2023CopyFile function in CommandUtils.cs assumes that an exception will be thrown if the number of retries is exceeded, but the loop condition prevents it from being thrown. Following fix works:publics ...
Chaos Cloth Self Collisions Spatial is slow when Tris are much smaller than thickness
UE - Simulation - Physics - Character - Apr 21, 2023This came via a UDN. Very small triangles can generate very small lods, which make query time really slow if your self collision thickness is significantly larger. You will do X^3 checks per query ...
GameplayEffects: Inherited UAssetTags and UTargetTags do not update their referenced tags correctly with inheritance
UE - Gameplay - Jan 25, 2024When inherited, it is reasonable to expect the tags added by the parent to be reflected in the children. If the parent is editted after the children, however, tags that are added or deleted are not ...
Skeletal Mesh component that uses Anim BP does not translate after swapping root bone on particular Anim section in Sequencer
UE - Anim - Anim in Engine - Apr 19, 2023Repro Rate: 5/5 Regression: Unconfirmed - Functionality is not implemented in previous version Skeletal Mesh with default slot Anim BP applied does not translate after Swap Root Bone on particular ...