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 ...
Alembic geometry cache doesn't import every frame when importing large frame ranges
OLD - Anim - Apr 13, 2017Alembic geometry cache doesn't import every frame when importing large frame ranges. Specifically when they don't start at frame 1. [Link Removed] ...
When changing Select Node index pin from boolean to int/byte options do not update
UE - Gameplay - Blueprint Editor - May 4, 2017When changing from boolean to Integer/Byte the select nodes options are not changed to Option 0/Option 1 and instead are left as False/True ...
Crash closing a project that was packaged on Windows for Linux
Tools - May 11, 2017This occurred with both Development and DebugGame build configurations. In the game's console I tried both "quit" and "exit" and reproed the crash. The crash also occurs via Alt + F4 or closing vi ...
Transformed FBoxSphereBounds sphere radius not matching with scaling
UE - Graphics Features - Mar 16, 2018When viewing the Sphere Radius around a Static mesh actor it appears to greatly exceed the mesh when setting the Z transform to 4 from 1. ...
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. ...
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. ...
Material Function Instances do not show up in the Material Function Call node
UE - Rendering Architecture - Materials - Jun 5, 2023This is not a regression. Tested in //UE5/Release-5.1 CL23901901. The Material Function Instance can be dragged and dropped into the Material Function Call. ...