Sequencer track appears to skip the first frame on an animation in UMG

Sequencer - Jun 17, 2019

A sequence created in UMG appears to skip/ignore the first frame. If an event is set to fire off on the first frame of the sequence it will not fire. ...

The engine crashes when adding a new brush at newly created level by a specific way.

Tools - MeshEditing - Jun 17, 2019

issuesFBSPOps::csgAddOperation returns null if BuilderBrush has no valid polys.The creating level on content browser never calls "UEditorEngine::InitBuilderBrush(NewWorld);". But "New level" button o ...

Using Square Brackets in a Folder Name Works but makes Meshes Unusable.

Tools - Jun 12, 2019

Renaming a folder using square brackets seems to work but renders meshes inside unusable in certain instances.  ...

Sequencer Attach track appears more offset than expected when using override instance data

Sequencer - Jun 12, 2019

When using an attached track in combination with enabling override instance data it appears as though the object used in the attached track is offset more than expected (appears to be by roughly dou ...

Random Scene Objects are not being rendered in Raytraced Reflections in packaging builds.

Rendering - Ray Tracing - Jun 11, 2019

Each time the build is run, different assets are missing in the reflections. Found in 4.22 CL# 6574378 and 4.23 CL# 6925347 ...

UUserWidget Parameter in blueprints appears to set the parameter value back to the default value on compile

Tools - UMG - Jun 11, 2019

Modifying the default value of a UUserWidget parameter declared in a c++ in blueprints appears to have no effect after compiling. The default value will reset back to "none". Additional info. The ...

Early Z-Pass no longer works

Rendering - Features Teams - Jun 11, 2019

Since 4.22.2, the Early Z-pass flags are being ignored, resulting in the number of draw calls to increase. Tested in 4.21.2 (CL - 4753647), 4.22.2 (CL - 6574378), 4.23 (CL - 6925347) ...

Sequencer sets max FPS when a Sequence is played after being paused if it's locked to the display rate

Sequencer - Jun 10, 2019

When playing a sequence the engine's max FPS will be saved in a temp value. If the sequence is paused and played that temporary value will be overwritten with the sequence's value. When restoring th ...

Spline Mesh regression on older iOS phone

Platform - Mobile - Jun 10, 2019

Regression with rendering Spline Mesh Components seen on older (5s) iOS device. I did not reproduce a crash with an iPadPro A1701 or an Android Note 4 Confirmed in 4.23 MAIN at CL 6910902 ...