Unreal Engine Issues
Unreal Engine Issues
Static Meshes that are reimported with less materials can lead to map check errors on instances that had overriden materials that require manual cleanup
UE - Rendering - Architecture - Feb 5, 2025StaticMeshActors placed in the world can override the default materials of a static mesh. If the static mesh is then reimported with less materials, the actors maintain references to unused material ...
MAC: Very slow texture compression times in Editor
UE - Platform - Apple - Mar 25, 2015There have been a number of complaints about the time it takes to build projects on the Mac - the consistent theme as in the additional URL - is that the editor is thrashing compressing textures. It ...
[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 ...
Function boolean return nodes often set to true will default to false once saved project is closed/reopened
UE - Gameplay - Sep 1, 2017The new function output booleans within blueprint class actors are not saving intended true/false entries. This issue is a regression. Works in: 4.16.3-3561208 Does not work in: 4.17.1-3586342 and ...
ARCore failing to package
UE - Platform - XR - Sep 26, 2017Users reporting packaging issues with ARCore plugin enabled in 4.18 preview #1 and #2: https://answers.unrealengine.com/questions/709840/418-android-packaging-fails-with-arcore-plugin-ena.html ...
Spawned Actors do not appear in World Outliner
Tools - May 11, 2019Spawning actors from a Blueprint via the SpawnActorFromClass function at runtime does not cause the World Outliner to update. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 64 ...
Draw to Render Target Android Regression
UE - Graphics Features - May 15, 2019Regression in Draw Material to Render Target functionality. Enabling Mobile HDR is a workaround. Android tested with Note 4 Unable to verify Main CL 6395234 (Crash on Phone) No repro on iOS mo ...
Crash occurs when after resuming from a Breaking Point that has been placed on an On List Item Object Set node
UE - Editor - UI Systems - Slate - Oct 13, 2022Tested in: //UE5/Release-5.1 CL22346211 Crashed with Assertion //UE5/Release-5.0 CL20979098 Crashed with Assertion Crash occurs when after resuming from a Breaking Point that has been placed on an ...
SplineMeshActors all share the first spline placed rather than their own spline when using the mobile renderer.
UE - Graphics Features - Nov 17, 2023SplineMeshActors all share the first spline placed rather than their own spline when using the mobile renderer. This was first reported in this UDN: https://udn.unrealengine.com/s/question/0D54z0000 ...
Datasmith .WIRE Import - Shader name inserted into Material Element Slot
UE - Editor - Content Pipeline - CAD - Apr 2, 2025Can we please implement a feature whereby the shader name applied to surfaces / objects is used for the Material Element Slot? When using Dataprep and replacing the materials using a table, it give ...