RHICoreShader ValidateStaticUniformBuffer expected shader logging is confusing

UE - Rendering Architecture - Shaders - May 9, 2024

The log output in ValidateStaticUniformBuffer, lists hashes that do not correspond to the actual shader name which makes it difficult to track down problem shaders. The current log output code is ...

Investigate crash with replication nested ever changing attachments

UE - Networking - May 7, 2024

There seems to be an issue with replicated attachments ending up causing cyclical setups resulting in crash on clients. It was reported for 5.2 but even after patching up code it seems to occur. ...

Crash after 'Reparent Blueprint' when renaming component on-top of orphaned inherited component

UE - Gameplay - Blueprint Editor - May 7, 2024

After reparenting a blueprint and inherited components from the previous parent are removed, trying to give a new component the same name as a previous component causes a crash inside UObject::Renam ...

Nanite static mesh components are not individually highlighted when selected

UE - Rendering Architecture - Apr 30, 2024

Non-nanite static mesh components still show an individual highlight outline which individually selected even with other non-nanite static mesh components in the same actor. This is different when t ...

"Consume pointer input" on Common User Widget does not work on iOS, FReply::Handled not respected

UE - Editor - UI Systems - Apr 29, 2024

From a UDN, they also mentioned:  Update: I added CommonUI to the test project to try the "Consume pointer input" setting. It behaves the same way as our custom input blocking widget in that the in ...

USplineComponent still editable in viewport despite setting as "read-only".

UE - Gameplay - Blueprint Editor - Apr 29, 2024

A spline component continues to be visible and editable in-editor despite all attempts to disable the functionality through the component's settings or uproperty specifiers. ...

GameplayTagQuery in editor can fail to update to new values or reset after being cancelled

UE - Gameplay - Apr 25, 2024

When editing a GameplayTagQuery inside of the editor, there are times when the query editor will not update the query when selecting Ok or fail to return the query to its original state before editi ...

Ray Traced Shadows ignore mesh occlusion on water when enabled

UE - Graphics Features - Ray Tracing - Apr 25, 2024

A forum user reported an issue where object geometry occlusion would be missing when Ray Traced shadows were enabled. I was able to reproduce the issue internally where occlusion seems to be missing ...

Masked TwoSided material causing lumen direct lighting to leak through walls

UE - Graphics Features - Lumen - Apr 23, 2024

It appears that LumenScene's Hardware Ray Tracing is causing light leaking into a sealed room (which should be perfectly black). This bug does not appear to happen on AMD GPUs. ...