Unreal Engine Issues

Alpha blending is done twice when using RenderOpacity of RetainerBox's parent slot

Licensee reported that alpha blending is done twice in the code below, and the fix below seems to fix it. .\Engine\Source\Runtime\UMG\Private\Slate\SRetainerWidget.cpp From:const FLinearColor Compu ...

NiagaraEditor timeline folders are not saved correctly

It works correctly in 5.0.3. ...

Changing VectorParam channel names in Material Layer do not propagate to Material Instances

Material Layer Texture Params don't warn on different sampler types

This texture validation exists for global parameters, and should read as "Warning: Param samples /Engine/Functions/Engine_MaterialFunctions02/ExampleContent/Textures/newhplaneNormalsMap.newhplane ...

Syncing issue when stopping and blending out a non-looping montage to an anim graph

When syncing from a non-repeating montage that is blending out to an anim graph, the anim montage is marked as a follower due to having its PrevMaker as an AnimBoundary(-1), furthermore in this case ...

Using a custom playback range in the MRQ doesn't work if its the same as the original, but it has a camera cut track that differs in length

Near Clip Plane project setting has no effect

Changes to the Asset User Data in Material XX Instance types is reset after closing and reopening editor.

From UDN report [Link Removed] ...

Cannot Delete Landscape with World Partition enabled

If you delete all the LandscapeStreamingProxies under the landscape object the parent landscape object can be deleted. Not a regression checked in Version: 5.1.0-23058290+++UE5+Release-5.1 ...

The Editor "Show Frame Rate and Memory" does not display the intended output on macOS.

Repro Rate: 5/5 This is a live issue that has been tested in the Binary build of //UE5/Release-5.1 at CL 23058290 and DOES NOT OCCUR in Windows and Linux but DOES OCCUR in Mac. This was tested on d ...