Unreal Engine Issues
Unreal Engine Issues
It is not possible to export virtual layer masks (AI or from mesh) through the COLMAP exporter.
RS - MVS - Jan 8, 2026Found in 2.1.0.119011 (R210). The mask export doesn't work even when the masks are regenerated from the mesh. Outcome: Error appears: "The filename, directory, or volume label syntax is incorrect ...
AddTimedDisplay causes crash when changing level
UE - Gameplay - Dec 8, 2022RemoveAfterSecondsLambda in AddTimedDisplay function may access released memory during level transitions. The following workaround works : void UViewportStatsSubsystem::AddTimedDisplay(FText Text, ...
Slate Post Buffer does not work correctly when changing Default Back Buffer Pixel Format
UE - AI Workflows - UI Systems - Slate - May 20, 2024Buffer Visualization for DecalMask is missing
UE - Graphics Features - Feb 29, 2016The Buffer Visualization for DecalMask is no longer an option. Also, when looking at the Buffer Visualization Overview the DecalMask slot has been removed. See attached image for comparison Worke ...
Crash when TSR history separate translucency enabled
UE - Graphics Features - Mar 1, 2023Issues converting enum to byte in BP
UE - Gameplay - Blueprint - Sep 8, 2015User experienced unexpected AI behavior and was kind enough to share a stripped down version of the project. I was able to nail down issues user was experiencing to failed enum-to-byte conversion. U ...
Some post processing features in Preview Scene Settings do not update immediately
UE - Gameplay - Jul 28, 2016In Persona or the Static Mesh Editor, some post processing features do not update immediately when the user changes them. This was seen with Color Grading and Lens Flare settings. It could affect ...
DBuffer Decals render on top of HISM
UE - Graphics Features - Aug 3, 2015DBuffer Decals are rendering on top of Hierarchical Instanced Static Meshes despite being placed in the world behind the meshes. Also Reproduced in Main CL-2646357 and Releases 4.9 CL-2641818 [Ima ...
SEGV_NOOP at 0x0
UE - Platform - Apple - Jul 7, 2015Crash Report: [Link Removed] *Crash Report attached User reports, "Launch[ing] Unreal Engine 4.8.1 from Epic Games Launcher, UE4 splash screen will come up and after 80% of initialization; UE4edit ...
Setting Automatically checkout on Asset Modification in the editor does not check out files
Tools - Nov 20, 2015When the checkbox for Automatically checkout on Asset Modification is set to true in the editor, updating files (blueprints, materials, etc) does not check them out automatically. REGRESSION Worki ...