Widgets With Retainer Boxes Are Selected When Behind Widgets Without One

UE - Editor - UI Systems - Dec 24, 2019

When a widget that has a retainer box is behind another widget that doesn't have one it will call it's onclick instead of the one in front of it in the UMG when clicked (see attached gif). This beh ...

Vulkan with Forward Shading & MSAA Crashes

UE - Graphics Features - Dec 23, 2019

Projects crash when the following Project Settings are set: • Vulkan is enabled • Vulkan is the Default RHI • Forward Shading is enabled • AntiAliasing Method is set to MSAA The different engine ve ...

A repainted cloth mesh continues to use previous paint job and does not update

UE - Simulation - Physics - Character - Dec 20, 2019

Cloth mesh reverts back to original painted mesh after editing Tested:     4.23.1 CL#9631420 4.25 CL#10730208 ...

USD Stage is not available on Mac and Linux

UE - Editor - Content Pipeline - Import and Export - Dec 17, 2019

On Mac and Linux the option to open the USD Stage window is not there like it is on Windows. This is not a regression since USD Stage was not preset in 4.23.1 (CL-9631420) on any platform. ...

Dynamic navmesh update causes navlinks to reset to their default state

UE - AI - Dec 16, 2019

Updates to dynamic navmesh cause navlinks to reset to their default state. Navigation still shows the path as accessible even though it isn't. This is a regression from 4.23.1 (CL-9631420) where th ...

Landscape Tutorial Missing a Word

Docs - Dec 9, 2019

In the Landscape Tutorial Overview there is a word missing in the tutorial. ...

Re-importing a static mesh with a fbx file containing collision, reset the editor made collisions

UE - Editor - Content Pipeline - Import and Export - Dec 9, 2019

We need to add a flag to let the importer know ifa collision was generate by the importer or by the editor so the editor collision can be restored properly ...

Grandchild actor with IsEditorOnly enabled is duplicated during save the level.

UE - Gameplay - Components - Dec 6, 2019

IsEditorOnly is not reflected in grandchild actor when parent/child/grandchild are constructed with ChildActorComponent. This causes the issue that actor will increase incorrect when save the level. ...

SynthComponent does not execute OnStop() after calling Stop()

UE - Audio - Nov 26, 2019

SynthComponent does not execute OnStop() after calling Stop(). OnStop() will be called in PumpPendingMessages() via OnGeneratePCMAudio(). But after stopping the AudioComponent, the procedural Sound ...

Sequences with a playback end on a subframe will not fire events that lie between the last whole frame and playback end

UE - Anim - Sequencer - Nov 25, 2019

Sequences that end on a subframe will not evaluate past the last whole frame, preventing events from triggering that should. ...