UnrealBuildTool fails to build generate project files or build if the project is stored on a non-HFS partition

UE - Foundation - Cpp Tools - UnrealBuildTool - Mar 29, 2016

When a user attempts to compile a project that is stored on a non-HFS partition on OSX, UBT fails to build due to files that are being generated that start with ".". The user's proposed fix is to ha ...

FixupRedirects commandlet does not auto-commit deletions

Tools - Jun 15, 2016

See this UDN: https://udn.unrealengine.com/questions/297811/fixupredirects-commandlet-submitting-marked-for-de.html The fix looks straightforward, just a one-line change but could benefit from tes ...

GC Clustering broken for USoundWave assets (crash)

UE - Foundation - Core - Mar 29, 2017

Assert crashes Editor in the GC system during packaging due to USoundWave assets not being configured for GC clustering. Disabling GC clustering in project settings is a workaround, but the fix is ...

Engine Scalability Foliage Quality not being applied automatically

UE - World Creation - Worldbuilding Tools - Foliage - Dec 1, 2017

Engine Scalability Settings for Foliage Quality are not applied to foliage meshes automatically. Found in 4.17.2 CL 3658906, 4.18.1 CL 3754814, and 4.19 Main ...

Graphic Artifacts on AMD GPUs When Mesh is Scaled to Large Size

UE - Graphics Features - Apr 5, 2018

This issue has been observed in 4.18.3 as well as 4.19. See attached screenshot showing scene from 4.18 on Nvidia, compare to attached GIF showing same scene on AMD card. ...

Local notifications do not appear on Android SDK 26

UE - Platform - Mobile - Aug 9, 2018

Local notifications do not work properly on Android with SDK version 26. This is important as Google is now requiring Android SDK 26 or later for new apps. Regression?: No This occurred in 4.19.2 ...

The Asset Audit search options do not work as intended

UE - Gameplay - Aug 14, 2018

Seems that only the Add Asset Class search option works properly. Tested in 4.19.2 (CL - 4033788), 4.20.1 (CL - 4233996), and 4.21 (CL - 4280116) ...

Can not change source paths on Datasmith Scenes

OLD - Enterprise - Aug 20, 2018

You are unable to change the filepath for Datasmith Scenes. The '...' box is there for you to select but it does nothing when clicked. This issue happens in both 4.19.2 (0.182) and 4.20.1 (4.20E2) ...

PreviosFrameSwitch Material Expression Does Not Work With Displacement.

UE - Graphics Features - Aug 21, 2018

The PreviousFrameSwitch material expression works as expected only with world position offset, but not tessellated displacement. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4302610 ...

Auto Wrap Text breaks inside of a ScaleBox

UE - Editor - UI Systems - Aug 22, 2018

Widget Elements within a scalebox  are inappropriately resized upon scaling. Tested in 4.19.2 (CL - 4033788), 4.20.2 (CL - 4306439), 4.21 (CL - 4305553) ...