Unreal Engine Issues
Unreal Engine Issues
Fix up GPU breadcrumb labels for Intel performance analysers
UE - Rendering - Architecture - RHI - Jun 13, 2025A licensee has brought up that the GPU breadcrumbs are incorrectly displayed with traces taken on the Intel GPU Analyzer tools (see screenshot). It looks like the format string is being passed on in ...
gltf 2.0 Blender Polly Import crashes
OLD - Enterprise - Aug 29, 2019Trying to import the Polly sample model for gltf 2.0 crashes Editor. User know that the Plugin is experimental but as the Polly Model is used for Blender gltf development, it should work. The crash ...
Volumetric Render Target Mode 2 is blending past frames.
UE - Graphics Features - Dec 2, 2021Volumetric Render Target Mode 2 is blending past frames in Time of day map with the volumetric clouds. This is a regression due to it not happening in 4.27 ...
Setting GDelayTrimMemoryDuringMapLoadMode = 2 causes crash on same map reload
UE - Framework - Jan 8, 2024GDelayTrimMemoryDuringMapLoadMode is a CVar that controls whether a garbage collection should take place during map change after unloading the previous map and before loading the new one. By default ...
Duplicating Asset With Suffix 0 Will Jump To A Suffix Of 2
Tools - Oct 28, 2016When duplicating an asset with the suffix 0 in the content browser the duped asset will get a suffix of 2. Any other number works fine for example if you dupe an asset named "Test_23" the duped mesh ...
Mobile MSAA breaks Modulated Shadows on OpenGL ES 2
UE - Platform - Mobile - Apr 2, 2018UPDATED DESCRIPTION When enabling Cast Modulated Shadows on a Directional Light and using Mobile MSAA on Android OpenGL ES 2, shadows from the Directional Light do not render when dynamic objects ar ...
Setting Fixed Frame Rate Prevents Particle Collision In PIE, Standalone, and Packaged Game
UE - Graphics Features - Oct 12, 2016If you set the project to use a fixed frame rate, particle collision no longer works. ...
Converted 4.7.2 project crashes on open after successful recompile
UE - Gameplay - Blueprint - Mar 13, 2015User's Project is crashing since converting to 4.7.2. I have attached the project itself below, but after conversations with the user and seeing pieces of the project, this issue may be related to ...
Precaching global shaders with r.PSOPrecache.GlobalShaders = 2 crashes on startup
UE - Rendering - Architecture - RHI - Feb 19, 2026A licensee has reported that they are trying to run a cooked project with r.PSOPrecache.GlobalShaders=2 and running into a crash. They believe the problem is in PrecacheComputePipelineStatesForGlob ...
Textures are Blurry when Scaling an Actor While r.Streaming.DropMips is Set to 2
UE - Graphics Features - Jul 17, 2019If a BP actor containing textured static meshes starts with a small transform scale, when scaled up, the texture streamer fails to load in the higher mips and the texture looks blurry. Working as e ...