Unreal Engine Issues
Unreal Engine Issues
Fbx animation re-import using UAssetImportTask in python will not use options
UE - Editor - Content Pipeline - Import and Export - Mar 5, 2021Anim sequence re import factory is not overriding correctly the settings when we pass the override UFbxImportUI asset. It still use the original import data ...
Creating an AnimStreamable asset immediately crashes the editor
UE - Anim - Runtime - Feb 6, 2024When creating an anim streamable we immediately fail a check in the compression code in FCompressibleAnimData::FetchData: checkf(AnimSequence, TEXT("Invalid animation sequence while trying to fetc ...
[CrashReport] Crash related to movie render - UE4Editor_UnrealEd!UEditorEngine::Tick()
UE - Anim - Sequencer - Jun 22, 2017This is a common crash occurring for users in the 4.15 and 4.16 releases. It seems related to rendering movies in Sequencer, but additional information is currently unavailable. A log file is attac ...
With root motion, AnimSeq moves in Persona when Additive Anim is enabled
OLD - Anim - May 26, 2015Animation Sequence preview moves from the origin with root motion enabled and either local or mesh space selected for the Additive Anim Type. Example Project: [Link Removed] ...
Branching point notifies can lose their linked montage
UE - Anim - Runtime - Feb 10, 2022Currently UAnimSequenceBase::OnModelModified assumes that a notify is linked to a sequence and not a montage. This causes branching point notifies to lose their linked montage when being updated an ...
Using more than a single break node disables fast path
OLD - Anim - Mar 7, 2019Using more than a single break struct node in sequence (despite no break nodes performing calculations) disables fast path. Splitting structs instead does not cause this issue. ...
The DistanceCurveModifier generates Distance Curves with zero values for Root Motion animations
UE - Anim - Gameplay - Jun 30, 2025The DistanceCurveModifier data modifier generates curves that return zero values only. This issue has been tested on several Animation Sequences with enabled Root Motion and always occurred. ...
Editor Viewport Does Not Update Curves in Real Time/as Curves are Being Edited
UE - Anim - Sequencer - Oct 6, 2017When editing animation curves in sequencer, the animated object would update as the curves are changed/altered. Result: Would provide better/real time feedback to the animator. Improves Workflow: Th ...
Keying the Spawned Property of a Spawnable Breaks in the details panel
UE - Anim - Sequencer - May 18, 2017The spawnable mesh seems to be breaking when their spawned property is altered. If you uncheck the spawned property in Sequencer, the Details panel also breaks similar to keying the property. This ...
MRQ - Black output layers in multichannel exr with a multi-camera cuts track
UE - Virtual Production - Tools - MRQ - Mar 14, 2025If you have Render All Cameras enabled in MRQ and are rendering a multilayer exr from a sequence that has multiple cameras edited in the camera cuts track the frames where a camera is not active in ...