Significant FPS Drop when Moving Mouse over GUI Elements [Mac]

UE - Platform - Apple - Feb 21, 2017

On a Mac, scrolling over GUI elements, in the World Outliner for instance, results in a significant frame rate drop. Regression: No, occurs in UE4.14.3 Does not occur in Windows ...

2D Blendspace breaks when aligning samples in a straight line

OLD - Anim - Mar 9, 2017

2D Blendspace breaks when aligning samples in a straight line Regression: YES Worked: 3249277 (4.14.3) Broken: 3299760 (4.15.0) ...

Child Blueprint Dirties parent when opening

UE - Gameplay - Blueprint Compiler - Mar 24, 2017

An Actor with a child class component will cause the parent to become dirty by opening the child. Regression: This issue did not occur in 4.14.3 of the binary builds ...

Instanced property is not updated when property is changed inside the blueprint

UE - Gameplay - Blueprint - May 18, 2017

Clearing the value of a native component's instanced property does not update placed blueprint instances of the property Regression: No - same behavior occurs in 4.14.3 (CL 3429277) ...

Editor crash when Sequence component is added to code class

UE - Anim - Sequencer - Aug 31, 2017

Adding a USequenceComponent to a code class will cause the editor to crash when the component is selected in blueprints Regression: No - same behavior occurs in 4.16.3 (CL 3561208) ...

Return values are not saved in blueprint functions

UE - Gameplay - Blueprint - Sep 1, 2017

Blueprint function return nodes don't save any settings applied directly to the return node itself. Regression: Yes - this behavior does not occur in 4.16.3 (CL 3561208) ...

Error on Attempting to Save Map Containing Actor Sequence Component

UE - Anim - Sequencer - Sep 28, 2017

colored text+Link to screencast of repro steps: + [Link Removed] -May take some clicking around even between windows -Will not save after this -Does not affect 4.16 ...

Editor Crashes on Startup After Enabling Forward Shading When r.LightPropagationVolume=1

UE - Graphics Features - May 4, 2018

If r.LightPropagationVolume=1 in ConsoleVariables.ini, enabling forward rendering and then restarting the editor results in a crash. This occurs in 4.18.3 and 4.19.2. ...

Blueprint Android app installers are named *UE4Game*.bat

UE - Platform - Mobile - Jun 4, 2018

In 4.19 blueprint-based apps are named after the project name, but in 4.20 they are all called Install_UE4Game-armv7-es2.bat. This also affects the Uninstall_*.bat ...

FBX export - BP StaticMesh Scales from Mesh Origin

Tools - Dec 13, 2018

Unexpected behaviour with meshes scaled via BP and exported via .fbx (.obj looks to function as expected) Confirmed in 4.22 Main CL 4648854 ...