WmfMedia: Track switching does not work

Media Framework - Aug 31, 2016

Track switching is currently not supported, because media with multiple tracks of the same type fail to load. Once that is fixed, implement run-time track switching. ...

Mobile projects crash with Event Driven Loader disabled

UE - Platform - Mobile - Feb 21, 2019

iOS + Android apps will crash on launch if Event Driven Loader is disabled. Confirmed in 4.23 MAIN at CL 5035898 ...

Mobile Preview - Higher Gamma in 4.22+

UE - Platform - Mobile - Apr 5, 2019

Colors are 'washed out' / higher gamma in 4.22 mobile preview modes. Confirmed in 4.23 MAIN @ CL 5755712 ...

Random Scene Objects are not being rendered in Raytraced Reflections in packaging builds.

UE - Graphics Features - Lumen - Jun 11, 2019

Each time the build is run, different assets are missing in the reflections. Found in 4.22 CL# 6574378 and 4.23 CL# 6925347 ...

HLOD is Offset when "Use Max LOD As Imposter" Is Enabled

UE - World Creation - Worldbuilding Tools - HLOD - Sep 12, 2019

HLOD is Offset when "Use Max LOD As Imposter" Is Enabled Found in 4.23 CL# 8386587, 4.24 CL# 8569829 ...

BeginPlay not called for Post-Process Anim Instance

OLD - Anim - Oct 29, 2019

Post-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, 2020

It 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, 2021

This 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. ...

Non-deterministic cooking issue in .uexp of level asset file

UE - Core - Data Pipeline - Cooker - Jan 17, 2023

There is a deterministic cooking issue with .uexp map of level asset. [Link Removed] Closed is the similar issue  fixing by ...

Can't connect Date Time and Time Spawn pins to math nodes

UE - Framework - Blueprint Editor - Feb 2, 2023

we 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 ...