Crash when moving/copying Blueprints folder into another folder

Tools - Jan 4, 2017

The editor crashes when the blueprints folder is moved into another folder in the sources panel This crash is similar to UE-34388 But have different callstacks. This is a Regression from 4.14.2 ...

Dropdown selection box jitters when mouse is moved over top of it on Mac

Tools - Jan 6, 2017

This is a regression as it does not occur in 4.14.3 at CL 3248269 Update chris.wood: I think this might be a wobble caused by floating point errors in SMenuAnchor::Tick() ...

Can't undo blueprint/material movement done by arrow keys

UE - Gameplay - Blueprint - Feb 8, 2017

When moving nodes in materials and blueprints using the undo option doesn't undo the movements made by the arrow keys. This issue affects anything that uses nodes on an event graph. ...

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) ...

OnUrlChanged does not fire on mobile

UE - Platform - Mobile - Sep 28, 2017

When using On Url Changed event on mobile devices, the event does not appear to fire as expected. Tested on iphone 5 As a note: The function GetUrl appears to be similarly affected. ...

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 ...

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 ...