Unreal Engine Issues

HiResScreenshot has incorrect masking when screenshot resolution scale does not match the viewport.

After a bit of investigation, the way to fix this would be to modify MergeMaskIntoAlpha to pass in the actual resolution scale and the requested size, and only mask the overlapping pixels. Currently ...

Multiple Blueprint compilation passes required to fix up event binding to dispatcher after event rename

Renaming a custom event bound to an event dispatcher via a Create Event node requires two compilation passes to fix up the binding.  upd. Regression was checked on //UE4/Release-4.26 CL 15973114, i ...

Animation Layer Interface layer renaming issues

Renaming a layer in an AnimationLayerInterface can cause issues where that layer doesn't bind properly, depending on which assets are open at the time. It works correctly if you rename a layer in a ...

Compile Unreal Editor with Visual Studio 2022 can result in an error - Error executing cl.exe, tool returned code: STATUS_ACCESS_VIOLATION

Additional information in the comments. Potential work around if VS has a prompt suggesting installing addition components is to install:MSVC v143 - VS 2022 C++ Arm64 Build Tools(v14.33-17.3)MSVC v ...

Editable FBox properties are not saved

FBox properties in the editor are not being saved.  This appears to be a regression caused by CL# 21566516 that was missed due to there being no editable box types in the Epic codebase. ...

Landscape Layer Painting issues when painting near the edge of delete Landscape Proxies.

It appears that the landscape painting tool is not correctly taking into account deleted landscape sections, resulting in artifacts inside of the weight textures. ...

DDC corruption creates incorrect pasted topology when using Landscape Copy / Paste Tool

I noticed that the copy and pasted section of the level was being painted while I was painting a nearby section of the level. This weird yellow color appeared and I undid and redid the paint to make ...

If you open IsDataOnly 's BluePrint in the Blueprint editor, the contents of the inherited property may be different.

The default scene root of an blueprint actor is not removed after adding a static mesh component via C++ until after restarting the project

The default scene root of an blueprint actor is not removed after adding a static mesh component via C++ until after restarting the project (or reloading the blueprint asset) Found in 4.22 CL#70536 ...

Gameplay Abilities CancelAllAbilities not working as expected

in AbilitySystemComponent_Abilities.cpp, line:844  CancelAllAbilities() does not appear to be working as expected.  There is a check before cancelling all abilities.  However, this check uses the Cl ...