Unreal Engine Issues
Unreal Engine Issues
Event does not fire at end of playback range
UE - Anim - Sequencer - Aug 29, 2016Event does not fire at end of playback range. This does work with Forced Fixed Frame Interval Playback so wonder if this is invalid? I have some test content set up in //UE4/Main QAGame QA-Promoti ...
[CrashReport] UE4Editor_SlateCore!TWeakPtr<SWidget,0>::Pin() [sharedpointer.h:1120]
UE - Anim - Sequencer - Aug 16, 2017This is a trending crash in the 4.17.0 release. User DescriptionsEditor is crashing each time when i start movie rendering in sequencer (Separate process) Source Context 1109 /** 1110 ...
Matinee doesn't display animated SkeletalMesh if its origin is out of view
UE - Anim - Sequencer - Jan 23, 2015From 8/17/16 Tools sync: This is probably also happening in Sequencer. Think Sequencer should just auto-set this flag. ----------------------------------- If a SkeletalMesh actor is placed beyond v ...
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 ...
Switching modular control rig to FK mode breaks pose of controls that have been baked to rig
UE - Anim - Rigging - Control Rig - Sep 14, 2025From the licensee:We have built a modular Control Rig in Unreal 5.6, and while IK to FK matching works correctly inthe rig, but we are facing an issue when applying mocap animation to the characters ...