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 Regression: YES Worked: 3249277 (4.14.3) Broken: 3299760 (4.15.0) ...
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 ...
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) ...
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) ...
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) ...
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 ...
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. ...
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 ...
Unexpected behaviour with meshes scaled via BP and exported via .fbx (.obj looks to function as expected) Confirmed in 4.22 Main CL 4648854 ...