Unreal Engine Issues
Unreal Engine Issues
Mac editor mobile preview crash with MSAA on
UE - Platform - Mobile - Mar 1, 2021setting GSupportsTimestampRenderQueries=false or r.GPUStatsEnabled=0 can fix it ...
AbsoluteWorldPosition and PDO not working correctly in SingleLayerWater calculations
UE - Graphics Features - Oct 1, 2021The licensee has provided a recommended fix for this issue. Please see the UDN. ...
Object Load order issue in Blueprint Editor
UE - Gameplay - Blueprint Editor - Oct 21, 2024[Image Removed] change FindObject to StaticLoadObject might fix this issue ...
Skeletal Mesh Cloth - Removing cloth collision sources doesn't remove the prerequisite, and the collision sources are not updated
UE - Runtime - Deformable - Mar 17, 2026[Link Removed] See proposed fix from partner: [Image Removed] ...
Editor crash when an unsupported material domain or blend mode is selected when previewing a Nanite mesh in the material editor
UE - Rendering - Features - Nanite - Aug 27, 2026Fix in UE6: 56133257 This Jira is for 5.8.3 tracking ...
Hierarchical instanced static mesh LOD is not consistent between eyes
UE - Platform - XR - Apr 7, 2017User reports that the issue fixed for ODIN-6308 still occurs for InstancedStaticMeshes. ...
Can't preview correctly when using Lookat Track with [Can Blend] enabled
UE - Anim - Sequencer - Feb 15, 2021When I play it in PIE, it plays fine. This problem does not occur in 4.25.4. ...
Ray traced GI denoiser blotches/artefacts
UE - Graphics Features - Lumen - Sep 15, 2021See licensee description of the issue for more info. Issue did not occur in 4.25. ...
Nested inline UObject properties don't expand in Actor blueprint detail panel
UE - Gameplay - Components - May 9, 2016Customer provides details, including a fix for the problem. See UDN post attached. ...
Folder Renaming is not Case Sensitive
UE - Editor - Content Pipeline - Content Browser - Mar 28, 2018Renaming folders is not case-sensitive Previously fixed in 4.12, re-appeared ...