Crash when modifying BP custom event after deleting BP function

UE - Gameplay - Blueprint - Mar 24, 2017

If a BP function contains a Create Event node, deleting the function will cause the editor to crash when modifying any custom event of that BP. Regression: No - same behavior occurs in 4.14.3 Binar ...

Certain dropdowns in the Menu Bar are missing sections on Mac when expanded

UE - Platform - Apple - Apr 25, 2017

This only affects certain dropdowns and only occurs when the editor is open. Also occurs in 4.15.2 This has been seen on the following macs:AMD R9 M395 iMac running Sierra 10.12.5 ...

Copy/paste of multiple components in attachment hierarchy distorts transform values

OLD - Enterprise - May 18, 2017

When multiple components in an attachment hierarchy are copy and paste, the result is the new group has a distorted shape from the original. This issue may be related to [Link Removed] and is affec ...

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. ...

Importing an Alembic File with "Skip Empty Frames at Start of Alembic Sequence" Enabled Causes Crash

OLD - Anim - Jul 13, 2018

Importing an Alembic File with "Skip Empty Frames at the Start of Alembic Sequence" Enabled Causes Crash. Found in 4.20 Preview 5 CL# 4173640 and 4.21 CL# 4207835 ...

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) ...

Mesh is not displayed when duplicating Hierarchical Instanced Static Mesh

UE - Graphics Features - Nov 5, 2018

Mesh is not displayed when duplicating Hierarchical Instanced Static Mesh. It is displayed by editing the Transform of Instances. This problem does not occur in 4.19. It seems to happen in 4.20 and ...