Unreal Engine Issues
Unreal Engine Issues
Delayed movement adjustment can include incorrect movement mode
UE - Gameplay - Player Movement - Nov 27, 2023It's possible for the server to send a client's character a movement correction with the wrong movement mode. This can occur if a project has client adjustment throttling settings enabled: Networ ...
PSO Creation hangs on task in Shipping build
UE - Rendering Architecture - RHI - Nov 27, 2023Running with `r.AsyncPipelineCompile=0` causes the issue not to happen. It fails to open about 4 times out of 5. No such problem in development build., it always succeeds. We noticed that if we de ...
Ensure in GatherSubobjectData
UE - Gameplay - Nov 27, 2023An ensure in GatherSubobjectData is being hit under certain inheritance conditions. This appears to be similar and potentially related to [Link Removed] and the fix at CL 16377852. Stepping through ...
Luminance coefficients used throughout the engine not matching sRGB standard
UE - Virtual Production - Rendering - Color - Nov 27, 2023This is causing confusion when working with color in UE5, specifically when validating for HDR between different reference materials. It has also been noted that the color primaries in PAL and NTSC ...
UToolMenus::GenerateWidget can crash while calling PopulateMenuBuilder
UE - Editor - Workflow Systems - Nov 24, 2023A user reported that UToolMenus::GenerateWidget will crash if UToolMenus::AddReferencedObject is called during the construction of a menu. Using the above in-code repro steps, I can repro this in a ...
Material containing null expressions crashes when launching the editor with the -Game flag
UE - Rendering Architecture - Materials - Nov 23, 2023This comes from a UDN report. [Link Removed] When launching the editor with -game, if a material contains a null expression (for instance because that material expression has been removed), the bin ...
Delete of file that is not at latest fails silently and removes the entry from content browser
UE - Editor - Applied Usability - Nov 22, 2023Crash when duplicating camera on sequencer with viewport closed
UE - Anim - Sequencer - Nov 22, 2023Can be worked around with always keeping a viewport opened. https://udn.unrealengine.com/s/question/0D5QP000002Hfdh0AC [Link Removed] ...
PCG graph always resave in the ResavePackage commandlet
UE - World Creation - Procedural Tools - PCG Graph - Nov 20, 2023The package that contains the PCGGrapch is dirtied on load (UPackage::SetDirtyFlag) which triggers a resave operation. I traced it back to the following callstack: UnrealEditor-CoreUObject.dll!UPac ...
Deleting BP instances that have dynamic delegate bindings with other actors can cause those other actors to have stale actor desc references
UE - World Creation - Worldbuilding Tools - World Partition - Nov 20, 2023The message can be resolved by resaving the actor desc. ...