Unreal Engine Issues
Unreal Engine Issues
Show Navigation does not work in a packaged build
UE - AI - Mar 9, 2015USER DESCRIPTION: Every time I check "Enable Drawing" in project settings, save all, close the editor then open it again -> Enable Drawing is unchecked. Why? Is there some other place when this opti ...
Inifinite loop in tick task manager with tick when paused and interval
UE - Gameplay - Sep 16, 2016When processing tick when paused tick interval tick functions an infinite loop can occur. ...
CRASH: Editor crashes when retargeting custom rig
UE - Anim - Rigging - Oct 30, 2014When retargeting user's mesh from one custom skeletal mesh to another custom skeletal mesh the editor crashes. ...
Ctrl+z does not work within the blueprint editor
UE - Gameplay - Blueprint - May 21, 2015Ctrl+z being used within the blueprint editor does not respond. If you translate a cube around the viewport and press ctrl+z, the cube does not revert back to the original location. ...
Crash when exporting static mesh actor to FBX (Array index out of bounds)
UE - Editor - Content Pipeline - FBX - Apr 25, 2025I set the Forced LOD Model on the mesh component > 1, then tried to export, this is what causes the crash. Here is my suggested fix, we just don't use Git or I'd do a PR: In the else() branch of FF ...
Converting Texture Sample to Parameter when MipValue set to "Level" or "Bias"
UE - Rendering Architecture - Materials - May 27, 2015When a Texture Sample's MipValue is set to something other than "none" (which adds the extra pin), attempting to convert that Texture Sample to a parameter will cause the Editor to crash. (Simple r ...
Entering values manually for an object location inside the blueprint editor viewport no longer works
UE - Gameplay - Blueprint - May 21, 2015When you move a cube around the viewport and then enter 0 within the location, rotation or scale xyz input, the cube does not reset. 4.8 regression range: BROKEN: CL-2549132 WORKING: CL-2548694 ...
Assertion failed: ExportSettings == *ExistingExportSettings [File:D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\Lightmass\Lightmass.cpp] [Line: 546]
UE - Graphics Features - Sep 12, 2023Generated from CrashReporter Logs can be obtained via Crash Reporter ...
Sequencer auto-generated thumbnails should not replace manually-catpured thumbnails.
UE - Anim - Sequencer - Jun 17, 2025APT copies only one CSV from GauntletTemp even if multiple perf sequences are run
UE - Platform - APT - Oct 8, 2025Reported by a licensee - separate CSVs from different perf sequences that are in one go are not picked up upon completion. ...