Unreal Engine Issues
Unreal Engine Issues
An Actor with Run Construction Script in Sequencer set to true doesn't render out correctly with Movie Scene Capture or Move Render Queue
UE - Anim - Sequencer - Mar 31, 2022An Actor with Run Construction Script in Sequencer set to true doesn't render out correctly with Movie Scene Capture or Move Render Queue. While previewing the Sequencer the actor moves as expected. ...
Media Playback - PNG Image Sequence Crashes Editor
UE - Media Framework - Sep 14, 2023The attached 105 frame PNG image sequence ( 1920x1080 w/alpha ) crashes the editor in UE 5.3 and 5.4 when played in the media player or in a MediaPlate. The same image sequence does not crash the ...
Renaming BP Components will break links to sequencer tracks
UE - Anim - Sequencer - Mar 24, 2017Some modifications to BP Components will break links to sequencer tracks ...
Sequence with null skeletal track sections crashes on load
UE - Anim - Sequencer - Jan 21, 2021Add contents of the zip file to your 4.26 project. Open the level sequence. EXPECTED: It shoudln't crash. Log will print saying that it removed some animation sections. ...
Incorrect Root Motion Rotation on AnimSequences created with Sequence Recorder
UE - Anim - Sequencer - Aug 11, 2016Incorrect Root Motion Rotation on AnimSequences created with Sequence Recorder ...
Field of View setting of a Cine Camera Actor does not work in Sequencer
UE - Anim - Sequencer - Feb 2, 2017The field of view track of a Cine Camera Actor does not work in Sequencer. Note The setting, Field of View, is not in the details panel and can only be accessed through the track in Sequencer. T ...
Tracks referencing the same sequencer don't work properly in package build
UE - Anim - Sequencer - Jun 18, 2018This issue is regression. It don't occur with 4.18.3. Sequencer behavior differs between PIE and package build. As shown by the attached .png, in PIE one character moves, but in package build it ap ...
Sequencer Conditions crash - GarbageCollectionVerification
UE - Anim - Sequencer - Apr 3, 2025Encountered a crash during the garbage collection phase when using sequencer conditions with subsequence tracks. Specifically, objects appear to break the "Disregard for GC" assumptions. ...
FAnimMontageInstance::SetNextPositionWithEvents can trigger all notifies on a montage/sequence
UE - Anim - Runtime - Jun 24, 2025This issue happens when Sequencer loops a dynamic montage. FAnimMontageInstance::ForcedNextFromPosition is set to 0 and ForcedNextToPosition is effectively the delta time. However, FMontageSubStep ...
Sequence recording in standalone crashes
UE - Anim - Sequencer - Sep 5, 2016We use GetEditorWorldCounterpartActor in the sequence recorder which cant work in standalone builds as it relies on GEditor. The best fix would probably be to just add a guard for GEditor to GetEdit ...