Unreal Engine Issues
Unreal Engine Issues
TMap<Bool is disallowed despite bool having a hash
UE - Gameplay - Blueprint - Nov 22, 2022Reproduced 3/3 times. User is unable to create a new TMap with bool key through Blueprints (which is the expected result). Issue is technically a Regression, as the ensure does not occur in //UE5/ ...
'Moved' event pin doesn't trigger on the 'Input Touch' node correctly
UE - Editor - UI Systems - Apr 8, 2016'Moved' event pin doesn't trigger on the 'Input Touch' node correctly Regression: This does not happen in 4.10.2. The 'Moved' pin triggers at all times when the mouse-button is held and the mouse i ...
Crash after ejecting from PIE session and selecting a component in the details panel
Tools - Jan 11, 2017This is NOT ocurring on Windows. Update chris.wood: Repro'd in Windows with the following stepsRun QAGame editor and open QAEntry mapDrop any destructible mesh actor from the Content Browser in the ...
Hot Reload Temporary dlls and pdbs Aren't Getting Cleaned Up Between Runs
UE - Foundation - Cpp Tools - Hot Reload - Dec 14, 2020I'm seeing it as an issue in at least 4.25.4, maybe prior. I'll update after checking 4.24. From the tests at my desk I could see that the HotReload.State file that DeleteTemporaryFiles (HotReloa ...
Translucent light grid injection behavior
UE - Graphics Features - Nov 15, 2024Light injection into the Translucent Light Grid voxels does not use the correct location for clipping or attenuation. Both of these points are outside the voxel that is being updated. Light attenua ...
Using PC_Enum instead of PC_Byte with CreatePin results in incorrect pin
UE - Gameplay - Blueprint Editor - Jul 23, 2021This is a bug that can make it confusing for users (and internal devs) to make custom nodes related to enums. This is occuring because the PC_Enum type was added after the original PC_Byte but ...
Import with New File option for Anim Sequences does not function
UE - Editor - Content Pipeline - Import and Export - Feb 14, 2022The "Reimport with New Source" functionality is currently not functioning in the Editor. When selecting the option with a clearly edited Anim, it is not updated. There is no message in the Output Lo ...
GameplayDebuggerCategoryReplicator can be unexpectedly hidden on clients
UE - AI - Debugging - Apr 20, 2022The GameplayDebuggerCategoryReplicator calls SetActorHiddenInGame(!bIsLocal) during its BeginPlay, so this actor is hidden on the server but visible on the client. However, bHidden is a replicated v ...
Based movement ticking dependency may be incorrect if standing on a part of a Child Actor
UE - Gameplay - Player Movement - Jan 31, 2024When an actor has a Child Actor Component that's a valid moving base for a character to walk on, the ticking prerequisites are set against the Child Actor and not the root owning actor that actually ...
PostLoadGroup can cause materials to cache GWhiteTexture into uniform expressions
UE - Rendering - Architecture - Mar 6, 2024It may occur that during loading screens, materials using material layers will load with GWhiteTexture before the real textures are ready. This seems to be because of a race condition due to PostLoa ...