Crash when using ConstructorHelpers on Niagara assets

Rendering - Niagara - Apr 10, 2019

When using the ConstructorHelpers templated function, FObjectFinder, with Niagara assets, the editor crashes. Tested in 4.21.2 (CL - 4753647), 4.22 (CL  - 5660361),  4.23 (CL - 5806860) ...

Scroll bar thickness is unaffected when set below 4

Tools - UMG - Apr 9, 2019

Scroll bar thickness is unaffected when set below 4. There appears to be a minimum size in place that prevents the scroll bar from being set to a size lower than 4 ...

Phaser module is malfunctioning

Audio - Apr 9, 2019

The phaser module that is part of the new Audio Engine causes audio from a Sound Cue to mute after playing for one second. The user states that the issue comes from the Phaser.cpp file producing a N ...

Mouse cursor position is reset on a Mac when SetInputMode_GameOnly() is called

Platform - Mac - Apr 8, 2019

Calling `UWidgetBlueprintLibrary::SetInputMode_GameOnly()` on a Mac results in the mouse cursor resetting to the position where the last mouse click was released instead of remaining in its current ...

Materials Draw through a HUD blueprint do not update when collections Parameter are used

Rendering - Features Teams - Apr 8, 2019

Materials applied via HUD do not appear to update when collection parameters are changed for the applied material ...

Exponential Height Fog appears black when Luminance range is extended and light intensity is 2000lux+

Rendering - Apr 5, 2019

Exponential Height Fog appears black when Luminance range is extended and light intensity is 2000lux+ ...

Alignment problem in UMG SafeZone

I have tried to remove the parent / child relationship and display the image in the parent widget but the bug will occur anyways. ...

Sequencer: No preview animation shown without an animation track

Sequencer - Apr 2, 2019

From User: "Sequencer: When using an animBP there's no animation at all (preview) without an animation in the animation track. Strangely enough the animation BP starts running if you add any animat ...

Interstitial Ads do not appear

Platform - Mobile - Apr 2, 2019

While Ad Mobs work with no issues on the Android, Interstitial Ads do not seem to work when called upon in Blueprint. Tested in 4.21.2 (CL- 4753647), 4.22 (CL - 5673098), 4.23 (CL - 5685256) ...

Editor on Mac can display progress bars on top of other application windows when the Editor is in the background

Tools - Apr 2, 2019

The Editor on Mac will display progress bars on top of other application windows when the Editor is in the background and does not currently have focus. This can interfere when attempting to do othe ...