Cast enum to byte could occasionally break cook/resave in level BP

UE - Gameplay - Blueprint Compiler - Aug 27, 2020

 Workaround:The blueprint macro had a cast from the enum to an int and that was causing the issue, getting rid of the cast and just returning the enum and then changing all the places that were usin ...

Crash after removing frames in recorded animation

OLD - Anim - Aug 26, 2020

Crash after removing frames in recorded animation.  Reported in version 4.25.3 (CL-13942748) and tested in versions 4.24.3 (CL-11590370) and 4.25. Working as expected in 4.24.  ...

Get Playback Range from sequencer scripting gives tick rate frame numbers instead of display rate

UE - Anim - Sequencer - Aug 26, 2020

Sequencer scripting will return the tick rate frame number for Get Playback Range instead of the display rate frame number. This differs from similar functions, and will result in unexpected results ...

FCoreDelegates::OnControllerConnectionChange Missing Wireless Disconnect Event

UE - Platform - Mobile - Aug 26, 2020

FCoreDelegates::OnControllerConnectionChange works for wired connect/disconnect events as well as the wireless connect event, but wireless disconnect is not working. ...

Memory leaks at changing lighting scenarios

UE - Rendering Architecture - RHI - Aug 26, 2020

The engine does not free the LevelRenderAssetManagers array elements in FRenderAssetStreamingManager when changing lighting scenarios. Following code can avoid this issue. void FRenderAssetStre ...

Rotation gizmo continues to move when snapping is disabled

UE - Editor - Workflow Systems - Aug 25, 2020

When snapping is disabled, the rotation gizmo never seems to stabilize. Continuing to hold the mouse down, even with no movement, will result in the rotation amount to continue changing by small amo ...

Translucent particles can no longer be selected when translucent selection is on

UE - Niagara - Aug 25, 2020

Translucent selection does not work on Niagara particles. This was working in 4.24. ...

Sequence sub scenes will draw start and end time hash markers incorrectly.

UE - Anim - Sequencer - Aug 25, 2020

The hashing on the start and end time marker does not always follow the marker when it's moved which is misleading and can lead to confusion about the actual start and end times.  ...

Preview Scene - Lighting Rig Rotation rotates Environment Map and Directional Light in opposite directions

UE - Graphics Features - Aug 25, 2020

When previewing an object, manually changing the rotation using the Lighting Rig Rotation rotates Environment Map and Directional Light in opposite directions. This bug makes it difficult to do look ...

Preview Scene - Lighting angle changes between Profiles

UE - Graphics Features - Aug 25, 2020

When previewing an object, the lighting angles change between profiles; the lighting position at '0' will also change when the Lighting Rig Rotation is set to another value, then back to 0 again.  ...