Transfering an interface function to a native blueprint function does not copy over inputs and outputs

UE - Gameplay - Blueprint - Aug 19, 2016

When you remove an interface from a blueprint and choose to transfer the functions over to the blueprint the functions do not keep their inputs and outputs. Regression: YesWorks: 4.12.5 @ 3039270Br ...

Disabling 'Use Landscape Lightmap' option Skewing Procedural Foliage Instances

UE - LD & Modeling - Terrain - Landscape - Oct 24, 2016

Disabling the 'Use Landscape Lightmap' when using procedural foliage, will skew the placed instanced meshes. Regression? Yes, this issue did not occur in the 4.13.1 release. ...

When playing matinee, scrubbing can cause sound to keep playing when it isn't triggered

UE - Audio - May 31, 2016

When playing matinee, scrubbing can cause sound to keep playing when it isn't triggered Note: This was entered as a bug to re-work the fix from the pull request found here: [Link Removed] ...

Dropdowns display incorrectly in non 1:1 zoom in BP on Mac and PC

Tools - Nov 16, 2016

On a Mac in UE4.14, drop down menus on the appropriate nodes will not display correctly when the Event Graph is zoomed out below a 1:1 ratio. Regression: Does not occur in UE4:13 ...

Editor delay on end simulation in 4.14

Tools - Nov 16, 2016

When stopping PIE Selected Viewport or Simulate Mode there is now a 1 to 2 second delay that did not occur in previous versions of the Engine. Regression: Did not occur in UE4.13 or earlier ...

Docking tabs is inconsistent in Mac editor

UE - Platform - Apple - Oct 17, 2016

Its very difficult to dock tabs next to each other in mac editor and also the white zones flicker when a tab is dragged around the screen. This is a regression from 4.13.2 at CL 3157003 ...

Extra Game Mode frames are rendered between Shots

UE - Anim - Sequencer - Oct 17, 2016

Extra Game Mode frames are rendered between Shots Regression: YES Worked: 4.13.1 CL:3142249 Broken: 4.14 Releases CL:3164219 ...

Niagara system loses source emitters when moving Engine from 4.22 or earlier to 4.23 or later.

UE - Niagara - Nov 29, 2019

The following code causes this behavior.// NiagaraSystem.cpp for (FNiagaraEmitterHandle& EmitterHandle : EmitterHandles) { EmitterHandle.ConditionalPostLoad(NiagaraVer); if (!EmitterHandl ...

Assertion thrown when selecting the Input Preview arrow within a collapsed node within the Material Graph

UE - Rendering - Architecture - Materials - Jun 6, 2022

This is a regression testing in //UE4/Release-5.0 CL#18319896 Assertion thrown when selecting the Input Preview arrow within a collapsed node within the Material Graph. ...

bIgnoreAllPressedKeysUntilRelease only applies to keys in the previous mapping

UE - Gameplay - Input - Jun 16, 2022

This is because the RebuildControlMappings function only checks this flag when you have a mapping that was already added, we should apply this for any new mappings as well.  I'll update the repro s ...