Unreal Engine Issues
Unreal Engine Issues
Graphical Artifacts in Editor with Macs using Certain AMD Graphics Cards
UE - Graphics Features - Sep 17, 2015Users are reporting black and splotchy like graphical issues in their projects when working on a Mac and using an AMD graphics card. The user in the link provided mentions, "that UE 4.8.3 is withou ...
Physics replication is not working correctly and clients receive different results
UE - Simulation - Physics - Aug 9, 2018Physics replication is not working properly. The replicated physics are different than what is on the server. The user who reported this issue pointed out this line as well which seems to not do any ...
Media playback isnt working with Android
UE - Platform - Mobile - Apr 12, 2017Looks like we've got a report that media playback doesn't work with ES3.1. I'm going to say this is due to the OpenGL context used and possibly the shaders compiled? It was written for ES2 of cour ...
Users are unable to create projects when the default project location is a networked drive
UE - Editor - Oct 23, 2024There have been multiple reports of this issue, particularly from schools, over the last 10 years:https://forums.unrealengine.com/t/invaild-folder-path-with-network-user-drives/283475https://forums. ...
GPU PCG node fails to cook if within Subgraph
UE - Graphics Tools - PCG - Graph - May 13, 2025When cooking a project that has a PCG graph with a subgraph containing a GPU node (Point Processor in the example provided), the cook fails with an illegal reference. However, the same GPU node used ...
Sequence with Override Instance Data enabled and a SubShot will accumulate the TransformOrigin Location wrongly and overshoot the expected end position
zComponent - Archive - Mar 28, 2025A Sequence with Override Instance Data enabled and a SubShot will accumulate the TransformOrigin Location wrongly and overshoot the expected end position. The licensee has encountered a particular s ...
Half precision is not supported for OpenGL ES 3.1 Pixel Shaders
UE - Platform - Mobile - Apr 6, 2018Fix the cross compiler so half precision is supportedAdd a project setting to specify the default precision to support on ES31. Be sure the shader version takes this setting into account. — User des ...
[CrashReport] UE4Editor_Engine!UMaterialInstance::SetParentInternal() [materialinstance.cpp:2141]
UE - LD & Modeling - Terrain - Landscape - Aug 18, 2016This JIRA is being entered as a result of this being one of the top crashes in 4.13 Preview 2 Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 2 ...
MaterialCurve of AnimSequence is not working with LOD 1~ if assigned Material manually
OLD - Anim - Apr 3, 2015MaterialCurve of AnimSequence is not working with LOD 1~ if assigned Material manually. Assigning material to LOD0 seems sharing material info with other LODs but material info is never shared if as ...
Updating C++ projects with Marketplace plugins in 4.25.2 fails to build project
UE - Foundation - Cpp Tools - Plugin System - Jul 24, 2020Projects created in previous engine versions fail to build in 4.25.2Running D:/Epic Games/UE_4.25/Engine/Binaries/DotNET/UnrealBuildTool.exe Development Win64 -Project="D:/Unreal Projects/MyProject4 ...