Unreal Engine Issues
Unreal Engine Issues
BinnedMalloc and BinnedMalloc2 performance on Linux is not good
UE - Foundation - Core - Jun 8, 2017This test took 13 seconds using Binned2 and 10 seconds using Binned1. It took 0.06 seconds using jemalloc ...
BeginPlay not called for Post-Process Anim Instance
OLD - Anim - Oct 29, 2019Post-Process Anim Instances do not have BeginPlay called. The proposed fix is to addif (PostProcessAnimInstance) { PostProcessAnimInstance->NativeBeginPlay(); PostProcessAnimInstance->Blu ...
Sequencer particle toggle tracks evaluate one extra frame
UE - Anim - Sequencer - Jul 1, 2020It looks like particle toggle tracks use TimeRangeToNumberRange which gives the incorrect range as a result of CL 10893518 which fixed [Link Removed]. ...
Deterministic cooking issue caused by ParticleModuleTypeDataGPU
UE - Niagara - Jan 18, 2021This problem is similar to the following case. [Link Removed] [Link Removed] It seems to have been fixed in 4.16, but the licensee reported it in 4.25. ...
Randomize Without Replacement resets to WithReplacement on Sound Cue Loop
UE - Audio - Dec 8, 2022Reproduced 7/10 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...
Can't connect Date Time and Time Spawn pins to math nodes
UE - Gameplay - Blueprint Editor - Feb 2, 2023we can do a "cheap fix" here by adding the "IgnoreTypePromotion" metadata to the date time functions, but there are some underlying issues with the FindBestMatching func in this case causing it to f ...
Light function materials using WorldPosition do not render correctly to volumetric fog if there is more than one
UE - Graphics Features - Mar 27, 2023There is a one-line fix for this in a shader file, see their PR on GitHub:https://github.com/EpicGames/UnrealEngine/pull/10251/files ...
Package build fails after disabling VR plugins
UE - Platform - XR - Mar 27, 2017Package build fails after disabling VR plugins and launching the project The error message that pops up is: Fatal error: [Link Removed] [Line: 353] Missing global shader FPixelShaderDeclaration, P ...
Start time of subtitle gets incorrectly modified at runtime
Tools - Apr 14, 2016The time field of a subtitle is incremented incorrectly at runtime. This is caused by the wrong array being modified by the subtitle manager when queuing subtitles. A fix is provided by the licensee ...
Viewports: Marquee selection always selects skeletal meshes in ortho viewports
Tools - Apr 16, 2015Box select always selects skeletal meshes in ortho viewports, even when not touching the actor. Switching on Strict Box Selection fixes it as a workaround. ...