Unreal Engine Issues
Unreal Engine Issues
Match3 - Startup video does not play but audio can be heard
UE - Platform - Mobile - Apr 20, 2017The audio can be heard for the opening splash but the video can not be seen. In Binary 4.15.2 neither video or audio play. ...
Planar reflections do not work in OpenGL4
UE - Rendering Architecture - RHI - Jul 11, 2017This is not a regression as it occurs in 4.16.2 The test case was just recently updated to test for planar reflections so not sure if this is intended to work or not. ...
Unable to package for Android with bEnableExceptions set to true
UE - Platform - Mobile - Jul 31, 2018Packaging for Android fails if bEnableExceptions is set to true. The errors are in the log file attached below. Regression?: Yes This did not occur in 4.19.2 ...
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. ...
OpenXR Thumbstick Up/Down/Left/Right Input Actions do not fire
UE - Platform - XR - Sep 1, 2021OpenXR 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. ...
Adding Regular Expression information to the project.build.cs no longer works
UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 23, 2022This worked in previous releases, but changed around 4.27.2 and Early Access. This prevents users from using C# regular expressions. ...
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 ...
Camera set to Projection Mode Orthographic doesn't appear to be rendering Sky Atmosphere
UE - Rendering Architecture - Sep 13, 2023This is a regression. Tested in //UE5/Release-5.2 CL26001984 It appears Sky Atmosphere isn't rendered by a camera with projection mode set to Orthographic. ...