Unreal Engine Issues

Sometimes when Sequencer window refreshes the mute property on tracks are toggled

Issue was noticed by Grayson in For.tnite/Main. Regression: No this occurred similarly in 4.27 still not 100% repro but some modification in sequence triggered toggling the mute track ...

Compiling a Blueprint class resets the actor label in the World Outliner for all instances of that class.

Any instances of a Blueprint class that were given a custom label in the World Outliner will have their labels reset to the object instance name whenever that Blueprint class is recompiled. The lab ...

AbilityAsync objects do not have proper EndAction support

UAbilityAsync objects do not properly support a way to EndAction like a UAbilityTask. ...

Crash in FMacApplication::FindScreenByCocoaPosition when using the mouse in the ILIAD plugin.

I think this could occur anytime but is probably very rare. However using this plugin from the reported UDN makes it much easier to repro as they are calling FMacApplication::ConvertCocoaPositionTo ...

Pixelated volumetric translucent shadows

I narrowed down the issue to the Main call of ShadowProjectionPixelShader, and tested (on 4.26 and 4.27) a combo of different material and light shadow settings, as well as enabling transmission on ...

Cascade To Niagara Converter doesn't place Collision Module in a proper order in the stage

URuntimeVirtualTextureComponent::Invalidate does not work with Adaptive virtual textures

[Feature Request] Niagara Ribbon Render needs V direction Tessellation option

It has a common chunking visual artifacts that lot's of triangular Translucent overlap once Ribbon's width is big and twisted heavily facing to Camera [Image Removed] It can be fixed by adding mor ...

Pasting a component binding onto a Spawnable will not set up parenting correctly

It appears that for spawnable bindings, when adding a child binding through a copy/paste it is not added to the child bindings array on the spawnable, so when GetChildPossessables is called, there a ...

Level Instance: failed check in duplication code when embedding

Mentioned in this UDN is the possibility that duplication of some actor fails because their BP as been deleted.  ...