Unreal Engine Issues
Unreal Engine Issues
Anim Curve Data Does Not Appear in Montages When Using Animation Modifier, MotionExtractorModifier
UE - Anim - Runtime - Apr 28, 2022Occurs 5/5 times Regression does not occur as the MotionExtractorModifier appears to be new with UE5. Curve data is not displayed in an Animation Montage when Animation Modifier, MotionExtractorM ...
Mesh Space Additive behave differently for non-animated bones and extra bones on a target skeleton
UE - Anim - Runtime - Dec 6, 2023Typically, non-animated bones behave the same way as extra bones on a target skeleton. However, it appears that this isn't the case for mesh space additive sequences. When a bone is present on th ...
[CrashReport] UE4Editor_Slate!GatherAllDescendants() [slateapplication.cpp:1400]
Tools - Nov 10, 2017This is an infrequent but trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. The last "User Activity" on all crashes r ...
[CrashReport] UE4Editor_SequenceRecorder!<lambda_ffd596aba4580204f4fb2f5c21d9754c>::operator() [actorrecording.cpp:139]
UE - Anim - Sequencer - Oct 12, 2017This is a common and longstanding crash that has occurred since at least 4.14. User DescriptionsRecording sequencer cinematic on character panw. Using Vr static meshes. A sequencer object was alrea ...
Frame 0 event does not get triggered when using SetPlaybackPosition
UE - Anim - Sequencer - Apr 17, 2018An event at frame 0 of a sequence does not seem to get called when using "SetPlaybackPosition 0" to reset the playback position to the start. This seems to be a regression. 4.17.2, the frame 0 even ...
DetachmentRules is not applied when WhenFinished of AttachTrack is set to RestoreState.
UE - Anim - Sequencer - Jul 25, 2019Purpose: Create a parent-child relationship using the “Attach Track” After that, I want to release Attach in the middle of the sequence and leave the child. Set "When Finished" of "Attach Track" to ...
Movie Render Queue renders UMG Scale Boxes incorrectly
UE - Editor - UI Systems - UMG - Apr 28, 2020Scale boxes renders incorrectly when rendered with the Movie Render Queue. Scale box seems to work fine in a normal viewport and normal Sequence render. UDN: https://udn.unrealengine.com/questions ...
LIVE: EDITOR: Extremely large trigger volumes registering overlaps multiple times upon single overlap event
UE - Simulation - Physics - Sep 9, 2014Update: 1/27/2015 User reporting multiple overlap events/end over lap events firing on smaller triggers, their specific dimensions were 400 uu x 2000 uu on a capsule Build: 4.4.2-2289767 Descript ...
Datasmith Export Bug with Camera Target
UE - Editor - Content Pipeline - Datasmith - Exporters - Mar 7, 2025Potential bug was encountered when exporting vray cameras and their targets that have been path-constraint to corresponding splines. The resulting export file shows no camera targets; hence, missing ...
[CrashReport] UE4Editor_Sequencer!FSequencerEdMode::CleanUpMeshTrails() [sequenceredmode.cpp:186]
UE - Anim - Sequencer - May 30, 2017This is a top crash occurring in the 4.16 release. Despite the callstack occurring in Sequencer, many users are experiencing this crash while working in UMG. User Descriptionsscaling track in widge ...