Unreal Engine Issues
Unreal Engine Issues
LevelSequence Editor consumes input, even if the user last focused the Level Viewport
zComponent - Archive - Nov 27, 2024LevelSequenceEditor has input priority over the Level viewport and other editor modules even though the Level viewport has been the last one selected. An example would be a cut operation. If you ha ...
Editor crashes on user project when attempting to spawn an actor from a struct within user's project.
UE - Networking - Sep 23, 2015Editor crashes when attempting to spawn an actor from a struct within user's project. Frequency: 5/5 crashreporter: [Link Removed] ...
Crash opening TM-DistanceFields in editor on Mac
UE - Graphics Features - Jul 5, 2017QAGame is crashing when opening the TM-DistanceFields map in editor on Mac Crashreporter is not showing up for this crash so no link to CR website is available. Does not occur on Windows. ...
Editor crash when calling SGridPanel::SetRowFill
Tools - Aug 22, 2017Calling SGridPanel::SetRowFill on an actor's BeginPlay causes the editor to crash with the callstack provided The reporter mentioned SetRowFill uses if() statement where SetColumnFill uses while() ...
Engine Crash when Running a Screenshot Functional Test
Tech - BuildOps - Game Automation - Apr 12, 2023Running a Screenshot Functional test, is causing an engine crash. By attaching a debugger to it, AScreenshotFunctionalTestBase::PrepareForScreenshot() is reached and GEngine->GameViewport is null, ...
Sequencer's View Options>Expand/Collapse Nodes and Descendants (Shift+V) does not Collapse after being Expanded (UE5.6)
zComponent - Archive - Jun 25, 2025Sequencer's View Options>Expand/Collapse Nodes and Descendants (Shift+V) does not Collapse after being Expanded (UE5.6). As described in the Steps to Reproduce section, the command expands the prope ...
Access Violation crash deleting a Widget Blueprint with an unsaved Animation track - FSequencer::Tick()
UE - Anim - Sequencer - Jun 19, 2017Encountered an Access Violation crash while deleting an Widget Blueprint with an unsaved Animation Track. The callstack references FSequencer::Tick(). I was not able to reproduce this issue in UE4/ ...
Blueprints: ComponentClass override causes crash on loading maps with instances saved with base class
UE - Framework - Blueprint - May 1, 2026Context In actor blueprints, you can change an inherited component’s class in the editor by selecting it in a child blueprint and changing its Component Class in the Details panel. Problem When o ...
Setting FActorSpawnParameters::bRemoteOwned causes inconsistent behavior when spawning actors
UE - Gameplay - Sep 13, 2016If FActorSpawnParameters::bRemoteOwned is set to true, calling SpawnActor with this spawn param on begin play has different behavior than calling the SpawnActor elsewhere during runtime. If using n ...
Android Projects packaged for arm64 crash on device.
UE - Platform - Mobile - Aug 9, 2016This issue was discovered while smoke testing Release 4.13 for Preview 2. ...