Unreal Engine Issues
Unreal Engine Issues
Bindless Virtual Textures are sampled with non-virtual samplers
UE - Rendering Architecture - Materials - Nov 28, 2024Texture Collections can contain virtual textures. There is no way to inform TextureObjectFromCollection that the texture is virtual, only that it is a Texture2D. This texture object is then sampled ...
Components defaults not updating on hot reload
UE - Gameplay - Blueprint - Apr 11, 2017Certain values, when changed in code, are not updated in a hot reload. For example, changing the Target Arm Length of a spring arm component will updated after hot reload, but changing the Scale do ...
The orientation of the tangent space seems wrong with SkinCache recompute tangent enabled
UE - Graphics Features - Jan 19, 2022Niagara versioning Upgrade Notes do not stay dismissed after update from 4.26
UE - Niagara - Jan 7, 2022Navigation: Exiting game while async nav building tasks are running can cause null pointer access of OctreeController.NavOctree from worker thread
UE - AI - Navigation - Nov 1, 2024Context Projects can turn on the project setting bDoFullyAsyncNavDataGathering to execute navigation mesh building tasks on worker threads. Some of these tasks will access the NavOctree, whose life ...
Navigation: Exiting game while async nav building tasks are running can cause null pointer access of OctreeController.NavOctree from worker thread
UE - AI - Navigation - Jan 14, 2025Context Projects can turn on the project setting bDoFullyAsyncNavDataGathering to execute navigation mesh building tasks on worker threads. Some of these tasks will access the NavOctree, whose life ...
DFAO has ugly result on Hair Material with Custom Tangent
UE - Graphics Features - Feb 8, 2020[CrashReport]Assertion failed: !bInstancedStereoEnabled || (bInstancedMultiViewportEnabled || bMobileMultiViewFallback) [File:./Runtime/RenderCore/Private/StereoRenderUtils.cpp]
UE - Platform - XR - Jul 27, 2023Generated from CrashReporter ...
Crash in UDataTable::RemoveRow(FName RowName)
UE - CoreTech - Jun 13, 2025This is a regression, the crash seem to have been introduced by CL 40129784 on ue5-main and persists in latest. Function UDataTable::RemoveRow(FName RowName) uses macro DATATABLE_CHANGE_SCOPE_SINGL ...
Filling Vertex Colors does not propogate down to other LODs
Tools - Nov 19, 2018The original reported behavior called out that filling individual channels did not apply to LODs when LOD Model Painting = False. With changes implemented in 4627582, the initial fill will reach LOD ...