iOS ReplayKit isn't working in UE5.1+

UE - Platform - Apple - Apr 21, 2023

In 4.27 & 5.0 when you press the in-app screen recorder button it would pop-up a msg about the user giving permission to allow the screen recording and then would start the recorder and save the mov ...

Race condition in cached mesh draw commands removal.

UE - Rendering Architecture - RHI - Apr 21, 2023

A wait was removed from UpdateAllPrimitivesSceneInfos that introduced a race condition with mesh draw command caching. ...

Runtime changing r.VT.PoolSizeScale doesn't resize virtual texture pools

UE - Rendering Architecture - Apr 21, 2023

r.VT.PoolSizeScale should be changeable at runtime so that we can resize VT physical pools for iteration on selecting pool sizes. It works correctly at engine startup but runtime changes have no ef ...

Pending Abilities are always Added then Removed (thus ordering is not preserved)

UE - Gameplay - Gameplay Ability System - Apr 20, 2023

We should probably keep a Queue of the Gameplay Abilities Add/Removed rather than two separate lists.  That way we can get the ordering right.  I suspect there are lots of ordering issues if we look ...

Toggle Folder Visibility Inconsistent in Scene Outliner With Search

UE - Editor - Workflow Systems - Apr 20, 2023

In the scene outliner, if you add a folder with one visible actor in it, and filter out some of the actors, users are unable to toggle the visibility of the folder anymore, or they are only able to ...

Missing BP/Python functionality to set a viewport OCIO configuration.

UE - Virtual Production - Rendering - Color - Apr 20, 2023

Multiple vendor's asked if there could be a way to programmatically set the created OCIO config for a viewport and select the source/dest settings as well and enable/disable the config.  The curren ...

WaterInfoTexture doesn't automatically update when new landscape mips stream in

UE - LD & Modeling - Terrain - Water - Apr 20, 2023

Occasionally in a cooked game, the water info texture will be rendered before the necessary landscape heightmap mips are streamed in, leading to a blocky texture. Due to the lack of a callback syste ...

VCam Freeze During Play / Simulate

UE - Virtual Production - Tools - Virtual Camera - Apr 20, 2023

VCam Freeze During Play / Simulate - "LogUIActionRouter: Cleaned out [0] inactive UI action bindings" Hi. So I can successfully use the VCamActor with my iPad Pro during non-play/simulate mode. ...

Editor Freezes after the user attempts to set a NewSpriteAtlasGroup to an imported sprite

UE - Editor - Content Pipeline - Apr 19, 2023

By setting an Atlas Group to a newly created sprite, the editor freezes. This feature is most important, even if this issue can only be reproduced by a minority of users. Repro rate: 5/5 Notes:No ...