Unreal Engine Issues
Unreal Engine Issues
Unloading level during PIE leads to editor crash
Tools - Dec 6, 2017Unloading level during PIE seems to lead to an editor crash. Most easily reproducible by enabling malloc stomp. ...
[CrashReport] UE4Editor_SlateCore!FHittestGrid::FindFocusableWidget<<lambda_3a8b364273a2882da220e6e492096c17>,<lambda_d0075a811a928600995d1b2de6795365>,<lambda_105424556dbaeebf7f5bf9bed3e2f737> >() [hittestgrid.cpp:397]
UE - Editor - UI Systems - Jun 18, 2018No user comments in crash group 394 for (StrideCellPoint[StrideAxis] = StrideAxisMin; StrideCellPoint[StrideAxis] <= StrideAxisMax; ++StrideCellPoint[StrideAxis]) 395 { 396 ** ...
Sequencer - Soft References do not work as payloads in Event Track keys, the endpoint event receives none/empty instead
UE - Anim - Sequencer - Jul 31, 2024In sequencer, an "event track" can be added to call functions/events defined in the Sequence Director Blueprint. The parameters for those endpoint functions/events can be sent as a Payload associate ...
Hot Reload crash on PIE with custom AIController and Perception Component
UE - AI - Sep 29, 2015If a pawn in the level is using a custom AI Controller that sets the AIPerceptionComponent in code, the editor will crash on PIE after a hot reload. CrashReporter: [Link Removed] ...
Creating a Blueprint using "Event Tick" and adding a "Breakpoint" constrains the user's mouse cursor to the Blueprint editor window when pressing "Play"
UE - Gameplay - Blueprint Editor - Oct 2, 2017When adding a Breakpoint within the "Blueprint Class Actor" editor using "Event Tick," the mouse cursor becomes constrained within the editor window box immediately after pressing Play. The mouse cu ...
Clothing Pops on start and LOD switching
UE - Simulation - Physics - Character - Sep 6, 2018Clothing can have noticeable popping when switching LODs, and there is currently no mechanism to initially start cloth in a resting pose, causing popping on spawn. ...
Tilemaps with masked materials respond to lighting at incorrect directions
UE - Gameplay - Paper2D - Nov 19, 2018Tilemaps using lit methods of rendering are subject to strange lighting behavior. If the material for the tilemap is using a 'masked' method of rendering. Lighting will appear at incorrect angles. ...
ShowOnlyInnerProperties does not work on a struct property in a class nested within another class as an instance
UE - Gameplay - Blueprint - Feb 19, 2019When the ShowOnlyInnerProperties property specifier is used for a struct property, the properties contained within the struct are exposed to the Blueprints Details panel as if they were part of the ...
Crash when Undo after deleting a Material Layer of a Material Instance.
UE - Rendering Architecture - Materials - Apr 2, 2025In Unreal Engine version 5.5.4, the Editor crashes when performing Undo after deleting a Material Layer of a Material Instance ...
Mesh painting on staticmesh doesn't always apply Colors to All LODs
UE - Editor - Content Pipeline - Asset Build - Apr 18, 2022See the video [Link Removed] ...