Unreal Engine Issues
Unreal Engine Issues
ScrollBox: Add Inertial Scrolling (Touch)
UE - Editor - UI Systems - Oct 16, 2015Verify that inertial scrolling works in the ScrollBox and the ListView on touch devices. We have reports that it isn't working in 4.9, it may have been fixed since then, or not be as smooth as it c ...
WmfMedia: Track switching does not work
Media Framework - Aug 31, 2016Track 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. ...
Foliage Disappears Using OpenGL4 in Packaged Game
UE - Graphics Features - Apr 11, 2018This issue cannot be reproduced in 4.18 but can be reproduced in 4.19.1 as well as Main (CL 3998250) therefore I am marking this as a regression. ...
Cannot add a non-static custom thunk to a code class
UE - Foundation - Cpp Tools - UnrealHeaderTool - May 7, 2018In 4.19, it is no longer possible to create a non-static custom thunk in a class. This was possible in 4.18.3. REGRESSION: Yes. ...
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 ...
Text cursor movement with arrow keys does not work in blueprint context menu if search query is empty
UE - Editor - UI Systems - Slate - Aug 20, 2018When using the text search in Blueprints the arrow key functionality is lost if there is a misspelling or when a search produces no results. This worked normally in 4.19 and below. ...
UAbilityTask Out parameters are not parsed properly
UE - Gameplay - Blueprint Editor - Aug 30, 2018A licensee has reported that when creating an Ability Task through a C++ class, the Out parameters for the task do not parse properly. Regression?: No This occurred in 4.19 as well ...
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. ...