Unreal Engine Issues
Unreal Engine Issues
Repeated GPU Timeout after drawing to render target
UE - Graphics Features - Dec 7, 2022(Enduring Games) Included Insights trace to show the memory spike in LLM followed by some pretty large time cost frames in the timeline. (Link to insights trace in comments section) ...
Enhanced Input Action Triggers may be silently ignored when using multiple bindings in a context
UE - Gameplay - Input - Dec 15, 2023The root cause appears to be an order of operations change made for [Link Removed] (CL 18309493 in UE5/Main). On EnhancedPlayerInput.cpp:238, the TriggerStateTracker is combined with state evaluated ...
Volumes visible on screen cannot be selected with box selection if "Box Select Occluded Objects" is enabled
UE - Editor - Verse Class Editor - May 22, 2024When using box selection with "Box Select Occluded Objects" enabled, volumes in the box selection zone are not able to be selected. ...
When changing the Visibility of a RetainerBox wrapped widget to “Not Hit-Testable(Self&AllChildren)”, the widget incorrectly accepts the hit test
UE - AI Workflows - UI Systems - UMG - Jan 28, 2025The result of changing the Visibility of a widget placed as a child of RetainerBox is not reflected. Here we have disabled hittest for the Button widget, but hittest is incorrectly accepted. This is ...
Windowed game window can restore to the wrong size due to DPI Awareness is configured after setting initial window size
UE - Graphics Features - Jul 31, 2025If in use, DPI Awareness is set after the initial window size is set. For a Windowed window, the settings are unable to restore the prior resolution settings on an application restart due to the pr ...
Failed to generate Nanite data for mesh with bDoFastBuild enabled
UE - Graphics Features - Nanite - Oct 1, 2025If "bDoFastBuild" is enabled on a Static Mesh asset, in-editor it will never be able to have Nanite data built for it, preventing the Static Mesh from using Nanite. There is no way to fix this issu ...
Console Command 'ModifySoundClass' is Unrecognized
UE - Audio - Mar 23, 2015When running a game in the editor and using the Command Console 'ModifySoundClass', the console returns saying the command is unrecognized. It is my understanding, that even if you do not create ne ...
GPU Particle Freeze in Fullscreen PIE when Combined with Widget Blueprint using any Widget Element
UE - Graphics Features - Jun 27, 2016Certain particle systems freeze when rendered in Fullscreen mode during PIE with Text Block added within Widget Blueprint. From what I could tell it is the GPU particles that are freezing. Note I n ...
Media Player assets do not play in packaged games or in standalone
Tools - Mar 8, 2016Media Players and their associated textures do not render in standalone game or in a packaged project. Found on: //UE4/Release-4.11 CL-2897738 Checked 4.9.2 Binary from launcher, issue occurs ther ...
Subtitles don't appear in matinee when scrubbing.
Tools - Sep 9, 2016When verifying [Link Removed] (GitHub 2762 : Correct subtitle rendering when scrubbing) I found that subtitles will not render while scrubbing the matinee. [Link Removed] has since been closed, but ...