Unreal Engine Issues
Unreal Engine Issues
Changing the Root of a reparented Blueprint crashes the editor
UE - Gameplay - Blueprint - Apr 14, 2015Changing the Root of a reparented Blueprint crashes the editor with no Crash Reporter dialogue. Log from 4.7.5 attached. Reproduced in 4.7.5 binary and Main (//depot/UE4/Promotable-CL-2507843) ...
Asset with child actor component (documentation actor) crashes upon level load
UE - Gameplay - Jan 18, 2016Adding a child actor component of type Documentation Actor to a blueprint, then adding that blueprint to a level and saving will cause the editor to crash upon re-opening the map. CrashReporter: N ...
Adding variables to a struct clears struct arrays used in blueprints
UE - Gameplay - Blueprint - Nov 4, 2016Adding variables to a struct clears struct arrays used in blueprints. Regression (yes) issue (does not) occur in 4.12.5 ...
Cannot add line break to text variable in a struct
UE - Gameplay - Blueprint - Oct 4, 2016Cannot add line break to text variable in a struct or data table asset. Regression (no) issue (does) occur in 4.12.5 ...
Foliage does not paint on actors that have "auto generate collision" turned off during import
Tools - Oct 11, 2016Foliage does not paint on actors that have "auto generate collision" turned off during import. Regression (yes) issue (does not) occur in 4.12.5 ...
Client often fires twice when overlapping on a dedicated server
UE - Gameplay - Blueprint - Oct 25, 2016Client often fires overlap event twice when overlapping on a dedicated server. Regression (no) issue (does) occur on 4.12.5 ...
Editor Crashes When Enabling Closed Loop on Spline in Blueprint
Tools - Oct 18, 2016Editor is crashing when setting closed loop in the construction script of a blueprint. This did not occur in 4.12.5 following the same repro, this is a regression. ...
LiDAR assets do not render in after relaunching the engine
UE - Editor - Content Pipeline - Datasmith - Aug 15, 2023LiDar point clouds are failing to render when saving and relaunching the project This issue is occurring in //UE5/Release-5.3 @ CL 26560699 This issue is occurring in //UE5/Release-5.3 @ CL 2600198 ...
Outline artefact on cascade shadow transition
UE - Graphics Features - Mar 28, 2024Some pixels at the edge between cascaded shadow maps and distance field shadows can be skipped by both, leading to unshadowed pixels. Licensee reports the bug happening in 5.3 as well. Test project ...
[3ds max] Some geometry will display in all black in Path Tracer renders
UE - Editor - Content Pipeline - Datasmith - Exporters - Dec 12, 2025Reported in SF [Link Removed] Some geometry from 3ds Max will display as all black when viewed in Path Tracer rendering. This effect is visible in both UE and Twinmotion. This was tested with Data ...