Unreal Engine Issues
Unreal Engine Issues
Pixelated volumetric translucent shadows
UE - Graphics Features - Aug 17, 2021I narrowed down the issue to the Main call of ShadowProjectionPixelShader, and tested (on 4.26 and 4.27) a combo of different material and light shadow settings, as well as enabling transmission on ...
Fatal Error: FMallocBinned2 Attempt to realloc an unrecognized block when exiting a packaged game that has the Bink Media plugin enabled
RAD - Bink Video - Sep 2, 2021When exiting a packaged project with the Bink Media plugin enabled, a fatal error is shown. This does not occur in packaged projects without the Bink Media plugin enabled. The Bink Media plugin doe ...
Material does not render correctly when launched with Cook on the fly
UE - Rendering Architecture - Shaders - Nov 8, 2021This issue seems to occur when using Cook on the fly on a Material that is branched on the Static switch. This issue also seems to occur on the console. Regression = Yes, issue is not reproduced // ...
JobObject appears to break /ZI pdb compiles
UE - Foundation - Cpp Tools - UnrealBuildTool - Mar 9, 2023It seems that the [Link Removed] UBT creates to ensure any child processes are terminated on close is somehow affecting the mspdbsrv process that cl is spawning and terminating it when cl is finishe ...
Crash when interacting with an Actor containing an Instanced Static Mesh that is in a Locked level
UE - Editor - Workflow Systems - Mar 30, 2023This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Editor crashes with an assertion after interaction with an Instance Static Mesh component that is in a locked level. This doesn't af ...
Crash when loading TM-MotionControllers in a packaged build
Docs - Samples - Oct 26, 2016Packaged QA Game crashes when opening "TM-MotionController" This issue did not occur in 4.13 This is also affecting KiteDemo. Cinematic will crash when Editor Content is not included in the packag ...
UMG/Slate scroll bars have a minimum size for scaling
UE - Editor - UI Systems - Mar 14, 2017A user has reported an issue about scroll bars having a minimum size in UMG and Slate code, causing them to not scale correctly when the scroll box is at a smaller size. This affects both horizontal ...
[CrashReport] Linux crash - FVulkanCommandBufferManager::WaitForCmdBuffer
UE - Graphics Features - Aug 22, 2017This is a semi-common Linux crash coming out of 4.17.1. It is spread among a few different similar callstack affecting a handful of users. [Link Removed] [Link Removed] [Link Removed] [Link Removed ...
Shader used factories/types/pipelines should be in DDC key
UE - Graphics Features - Jan 31, 2018A licensee noticed that the ShouldCache types for FLandscapeMaterialResource changed in the 4.18.2 but this did not affect the DDC keys generated. This caused an endless compilation loop where the s ...
Welded grandchildren do not overlap properly when their grandparent is simulating physics
UE - Simulation - Physics - Jun 7, 2018Grandchildren (C in an attachment hierarchy of A < B < C) that are auto welded have issues related to overlap events when moving via physics. They tend to overlap later than they should. This does n ...