Component Created in C++ is destroyed before BeginPlay

UE - 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 ...

[Dynamics Processor][Audio Bus Sidechain] - Audio Bus Sidechain doesn't function the second time a sound is triggered

UE - Audio - Audio Bus - Sep 2, 2021

Retriggering a sound using an Audio Bus as a sidechain on a Dynamics processor seems to not uses the sidechain. The sidechain will start working again if it's reset on the Dynamics Processor effect ...

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

UE - 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

UE - Graphics Features - 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

UE - Graphics Features - Sep 2, 2021

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

[Voice Virtualization][Focus] - Looping sounds do not become Virtual when Virtualization is Restart and Volume Attenuation is set to 0 by Focus settings

UE - Audio - Voice Management - Sep 2, 2021

When using Voice Virtualization settings, if the Attenuation Volume becomes 0.0 do to Focus setting, Restart does not behave as expected on looping sounds. Both Disabled and Play when Silent do wo ...

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

UE - Platform - 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

UE - Editor - Content Pipeline - 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 ...