Wrong Role in BeginPlay of startup actors respawned by a replay scrub

Networking - Sep 3, 2021

The Role/RemoteRole of net startup actors that get respawned during the replay scrub will be incorrect/swapped during BeginPlay (but not later for any onreps we process). ...

GeometryCaches don't implement CreateHitProxies to create a unique hitproxy per section/material

Tools - Editor - Datasmith - Sep 3, 2021

This causes the ObjectId pass in MRQ to fail to distinguish between materials in the resulting Cryptomatte file. It looks like FGeometryCacheSceneProxy doesn't implement CreateHitProxies so it's f ...

Component Created in C++ is destroyed before BeginPlay

Gameplay - Components - Sep 3, 2021

Tracking a potential issue where components in C++ are being "lost" prior to BeginPlay. Renaming the reference variable seems to work around the issue, but the cause is currently unknown/needs more ...

Paused Sounds Do Not Have their Channel Map Updated Properly on Device Swap

Audio - Sep 2, 2021

Swapping between output devices with different channel counts can cause sound corruption for sounds that were paused during the device swap call. More info can be found in the linked UDN, along with ...

Fatal Error: FMallocBinned2 Attempt to realloc an unrecognized block when exiting a packaged game that has the Bink Media plugin enabled

RAD - Bink Video - Sep 2, 2021

When exiting a packaged project with the Bink Media plugin enabled, a fatal error is shown. This does not occur in packaged projects without the Bink Media plugin enabled. The Bink Media plugin doe ...

Splitscreen View2 influences translucency in view 1

Rendering - Sep 2, 2021

The videos + screenshots in the zip file show the issue on the modified gun sight. The licensee has provided a suggested fix here -[Link Removed] ...

>1ms increase in frame time with showflag.translucency , despite minimal translucency in the scene

Rendering - Sep 2, 2021

Licensee reports this change, and can confirm a very rough similarity observed in a template project in 4.27: [Image Removed] ...

OpenXR Thumbstick Up/Down/Left/Right Input Actions do not fire

XR - Sep 1, 2021

OpenXR Thumbstick Up/Down/Left/Right Input Actions do not seem to fire.  I tested on Quest 2, but it sounds like the problem may be all of OpenXR. ...

Runtime import, does not generate proper materials

Tools - Editor - Datasmith Importer - Sep 1, 2021

The models are darker than the one loaded directly in editor Left runtime, right editor [Image Removed][Image Removed] [Image Removed][Image Removed] You can find some details here from a udat ...