Massive FPS drops in editor when moving mouse over menu items on Linux

Platform - Linux - Apr 22, 2019

Navigating various dropdown menus in the Editor causes the FPS to drop down to around 25 or 10 in the Viewport on an empty project. This does not reproduce on Windows with -vulkan This issues was ...

Crash when setting a bookmark after going live with Multi-User Editing

Virtual Production - Apr 22, 2019

When using Steam VR in combination with the Multi-User Editing plugin and the Virtual Production Utilities plugin the engine crashes when adding a bookmark while a server is running. ...

Player Controller Blueprint Attach to Pawn Checkbox is Missing

Tools - Apr 22, 2019

Creating a Blueprint Player Controller asset and trying to enable Attach to Pawn does not seem to be available. The section where this setting is located shows up, but the drop down list does not ap ...

Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor

Rendering - Apr 22, 2019

Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5974510 ...

CachedLocalBounds is incorrectly updated

Anim - Apr 19, 2019

USkeletalMeshComponent::CalcBounds updates CachedLocalBounds by transforming the world FBoxSphereBounds, by the WorldToLocal transform, which is not sufficient to calculate the bounds in local space ...

Crash when calling "Is List Item Expanded" For an Item in a list view

Tools - UMG - Apr 18, 2019

When calling the function "Is List Item Expanded" on an object in a list view the editor will crash ...

Assertion Failure: Cascade Particle !bPostTickComponentUpdate in same tick group as Cascade Particle system submission.

Rendering - Niagara - Apr 18, 2019

Attached Project:  [Link Removed] Since Upgrading project to 4.22, Licensee has been experiencing an Assertion crash in their built game. "I'm not exactly sure why it crashes. It's a very specific ...

Crash when removing an item from a list view

Tools - UMG - Apr 18, 2019

When removing an item from a list view the editor will crash when trying to update. ...

Missing warning when dynamically simulating actor without physics enabled

Physics - Apr 18, 2019

Warnings are logged when a body without physics collision enabled is set to simulate via the editor, but not when set programmatically during play. ...