Normals and Tangents cannot be load correctly when re-importing Skeletal Mesh

UE - Editor - Content Pipeline - Import and Export - Jan 31, 2020

This problem started in 4.24 and not in 4.23. CL 9114926 seems to be relevant. ...

FiB - Local find results hyperlink to current tab in graph view, which can result in multiple tabs being opened for the same graph.

UE - Gameplay - Blueprint Editor - Jan 30, 2020

The correct behavior should be that NewFunction_0 is opened in a new tab if not already open, otherwise double-clicking the search result should navigate to the tab in which the graph is already ope ...

Bug - Animations and Keep State Fail when scrubbing backward.

UE - Anim - Sequencer - Jan 30, 2020

If you scrub past an animation with keep state, and scrub into an animation with defaults everything is fine. When you scrub back to the animation with keep state, the animation breaks, until there ...

Inconsistent SkeletalMesh physics controls

UE - Simulation - Physics - Jan 30, 2020

There are inconsistencies with how the inherited body + bodies of a skeletal mesh are treated across the various inherited/overridden primitive component functions, and their multi-body forms. For ...

MAC rect light does not use assigned source texture

UE - Platform - Apple - Jan 30, 2020

Rect light does not use its assigned source texture on MAC OS. Tested in: 4.23.1 CL#9631420  4.25 CL#11062379 ...

Changing a Niagara System Component's Override Parameter in a parent BP does not change the value in the child BP

UE - Niagara - Jan 30, 2020

Changing a Niagara System Component's Override Parameter in a parent BP does not change the value in the child BP ...

Exporting a spawnable through Python doesn't work

UE - Anim - Sequencer - Jan 29, 2020

Large Landscapes cause long PIE start time delays

UE - LD & Modeling - Terrain - Landscape - Jan 29, 2020

These delays appear with large Landscapes (for example 8029 x 8029) . The delays only start occurring after the level is saved and reopened. After which PIE start times will be 5 to 15 times longer ...

Attached actor in Sequencer does not detach regardless of the detach state settings until Sequencer is restarted

UE - Anim - Sequencer - Jan 29, 2020

Attached objects in sequencer do not detach with newly specified "When Finished" property until Sequencer is restarted.  Tested in: 4.23.1 CL#9631420  4.25 CL#11062379 ...