Unreal Engine Issues
Unreal Engine Issues
Creating/Destroying UWorlds rapidly can cause dangling pointers from UAutoDestroySubsystem
UE - Gameplay - Aug 10, 2020To summarize what I'm seeing there, a bunch of UObjects relating to that world have been destroyed but not all destructed. The UAutoDestroySubsystem pointer is still on the static tickable list, and ...
Performance Regression in Forward Rendering with most settings off.
UE - Rendering Architecture - RHI - Mar 12, 2020When rendering with forward rendering, the ComposeSeparateTranslucency call is called even when separate translucency is not enabled. Additionally, Downsample.HalfResolutionSceenColor gets called ev ...
Crash when using automated groom import
UE - Editor - Content Pipeline - Import and Export - Jan 5, 2021UDN customer reported that using automated groom import through Blueprint was crashing. This can probably be reproduced with a Python script using an asset import task with the automated flag set to ...
Collision lost from body when using world composition and streaming
UE - Simulation - Core - Mar 1, 2021Physics object from a streamed level does not interact with other physics objects in persistent level. ...
Platform-specific defines not picked up by Intellisense
UE - Foundation - Cpp Tools - UnrealBuildTool - Aug 31, 2022With the way PLATFORM_XSX, PLATFORM_PS5 etc. are defined, it seems intellisense doesn't know about them, because the .vcxproj only references the Win64 version of Definitions.h, and they are defined ...
FMaterialResource::IsDualBlendingEnabled bug
UE - Rendering Architecture - Materials - Jul 24, 2023The user has a proposed fix for this in the case. FMaterialResource::IsDualBlendingEnabled needs the following modification that includes MaterialInstance check: bool bMaterialRequestsDualSourceBle ...
Crash in FPipelineFileCacheManager::RegisterPSOStats
UE - Rendering Architecture - Oct 25, 2024The game can crash when one thread clears RunTimeToPSOUsage while another thread is expecting it to contain a PSO it is registering stats for. Thread A: calls CacheGraphicsPSO() Thread B: calls C ...
The visibility state of on-screen stat messages is not restored correctly after entering and leaving PIE. This also affects other important on-screen messages like map warnings and debug messages.
UE - Editor - UI Systems - Nov 28, 2024Currently, the ShowStats viewport option is automatically enabled when entering PIE and automatically disabled when exiting PIE. This forced disabling happens even if the option was enabled prior to ...
RHIGetAvailableResolutions returns duplicate entries when bIgnoreRefreshRate is false
UE - Rendering Architecture - RHI - Sep 17, 2015When the RHIGetAvailableResolutions function fills the array that is passed in as the first argument, it will end up filling some slots with duplicate resolutions (including refresh rate) when the b ...
Failure while Cooking FOutputDeviceWindowsError::Serialize()
UE - Foundation - Core - Cooker - Mar 19, 2015User receives an error while packaging. I haven't been able to reproduce this on my machine with templates I've created. Method to package: File > Package Project > Win64 The logs are attached. ...