Unreal Engine Issues
Unreal Engine Issues
HiResScreenshot has incorrect masking when screenshot resolution scale does not match the viewport.
UE - Rendering - RHI - Sep 6, 2021After a bit of investigation, the way to fix this would be to modify MergeMaskIntoAlpha to pass in the actual resolution scale and the requested size, and only mask the overlapping pixels. Currently ...
Android Vulkan SM5 crash at startup
UE - Platform - Mobile - Sep 6, 2021Wrong Role in BeginPlay of startup actors respawned by a replay scrub
UE - Networking - Sep 3, 2021The 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, 2021This 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, 2021Tracking 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
UE - Audio - Sep 2, 2021Swapping 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, 2021When 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 - Rendering - Sep 2, 2021The 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, 2021Licensee reports this change, and can confirm a very rough similarity observed in a template project in 4.27: [Image Removed] ...