Unreal Engine Issues
Unreal Engine Issues
Type Promotion nodes should cache pins that have had their type manually converted by the user
UE - Framework - Blueprint Editor - Apr 7, 2022[Link Removed] We should just cache any user-converted pins on the type promotion nodes and make sure to keep those types if they are valid. If they are invalid, then we can orphan them or someth ...
IVideoRecordingSystem::EnableRecording call on Windows shifts viewport drawing position
UE - Media Framework - May 12, 2022The viewport is shifted by the IVideoRecordingSystem::SetRecording call. This problem occurs in play standalone mode and packaged build running as window mode. (not occur in fullscreen mode) The vie ...
Subobjects can change sorting order in Blueprint Subobject Editor
UE - Gameplay - Blueprint Editor - Apr 3, 2023Subobject sorting is not stable in the Subobject editor, so the UX is bad if you are creating complex hierarchies because it's difficult to keep track of newly added or reordered components. ...
Subobject editor collapsed nodes are auto expanded when adding or moving a node
UE - Framework - Blueprint Editor - Apr 3, 2023Node operations cause all of the collapsed nodes to be auto expanded. This is disruptive when working with complex hierarchies because you can't hide irrelevant components. ...
The hair shading near the screen edge becomes whiter if only a skylight applies
UE - Graphics Features - Apr 4, 2023This appears to be an issue with Lumen, with some off-screen information making its way on-screen during an upsampling pass. We checked a Renderdoc capture and that is where it seems to come from. ...
The hierarchy of Actors in LevelInstances can break when using BPs as parent
UE - World Creation - Worldbuilding Tools - Level Instances - Feb 18, 2026The hierarchy of a LevelInstance actors (Outliner) will break when cooking. The source is the call to AActor::RerunConstructionScripts in FWorldPartitionLevelHelper::MoveExternalActorsToLevel. The ...
Cook Warning "Saving FText which has been initialized from FString" when a user-defined BP structure contains a native C++ struct with an FText
UE - Framework - Blueprint - Sep 23, 2025Consider a C++ struct containing an FText. Now consider a used-defined BP structure containing that C++ struct. When cooking an asset that references such a user-defined BP structure, the following ...
Assertion failed in FAudioDevice::UnregisterSoundClass when GC
UE - Audio - Aug 13, 2018The licensee reported that check(IsInAudioThread()) was failed in FAudioDevice::UnregisterSoundClass when GC. The following is the call stack: 1 #00 pc 030d7b58 libUE4.so HandleError (/home/pirates ...
Network profiler can report sent RPCs despite a null ViewTarget preventing the send
UE - Networking - Nov 17, 2020Due to the hard-coded 1.5 second timeout for clients in UNetDriver:if ( OwningActor != NULL && Connection->State == USOCK_Open && ( Connection->Driver->GetElapsedTime() - Connection->LastReceiveTime ...