Unreal Engine Issues
Unreal Engine Issues
Project cant package with Nativize on and Widgets as value in TMap
UE - Gameplay - Blueprint - Jun 15, 2017When packaging with nativization if you have a widget as a value in a TMap, the package will not finish building. The TMap will throw an error during the Package process that reads: UnrealBuildToo ...
Dedicated server crashes when running a multi-process game in standalone with the Code Editor plugin enabled
Tools - Jan 17, 2019Attempting to run a standalone server and client using different processes will crash if the Code Editor plugin is enabled. ...
tvOS crash on startup with Shared Material Shader Code enabled
UE - Platform - Mobile - Jul 9, 2019Enabling Shared Material Shader Code will cause a crash on tvOS From user: "We originally enabled Share Material Shader Code long before trying a tvOS build, making this crash tricky to debug. W ...
Recompiling blueprint actor in hidden sublevel, after reloading main level, detaches all its child actors
UE - World Creation - Worldbuilding Tools - Jan 4, 2023Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The repro steps are very specific for this; the core issue being that once the top lev ...
Custom Depth range is different than Pixel Depth range
UE - Graphics Features - Sep 25, 2025Shaders that compare custom depth and pixel depth get wrong output values because the ranges are different. This error is most noticeable over large distances. The difference in ranges is due to t ...
Cannot save actor after actor component modification, Graph is linked to private object(s) in an external package
UE - Gameplay - Blueprint - Sep 28, 2016Cannot save actor after actor component modification. The user gets the error Graph is linked to private object(s) in an external package ...
Material Instance references to textures remains even when texture parameter removed from parent material
UE - Graphics Features - Aug 23, 2017Removing texture parameter from parent material doesn't remove material Instance references to the default texture. ...
Monitor Directories does not auto import or re-import from network locations
UE - Editor - Content Pipeline - Import and Export - Nov 15, 2017Monitor Directories feature in the editor preferences does not auto import or re-import from network locations. There is no issue if the location of the folder is local. This issue does not appear t ...
Starting PIE with an unloaded player start spawns the player at (0,0,0)
UE - World Creation - Worldbuilding Tools - Mar 19, 2024From licensee:What happens is that UEditorEngine::CheckForPlayerStart() is returning the PlayerStart in the data layer, so FInternalPlayWorldCommandCallbacks::PlayInViewport_Clicked() doesn't route ...
Variant manager crash in UPropertyValue::HasValidResolve
UE - Editor - Content Pipeline - Variants - Nov 21, 2024in the past we have reported a lot of VM related bugs which got fixed over time. Unfortunately, I think we have another one. Right now we're using 5.0.3 binaries from the launcher. Now the pro ...