"Expose on Spawn" variables in Actor Components are overridden by the details value.

UE - Gameplay - Aug 2, 2018

"Expose on Spawn" variables in Actor Components are overridden by the value set in their Details Panel when called in another Blueprint. This issue was reported and tested in 4.20.1 (CL-4233996). ...

AJA - Output doesn't properly shutdown (grey screen)

UE - Virtual Production - Aug 15, 2018

SMT is reporting that AJA output doesn't properly shutdown, Screen end up with shades of grey instead of black. ...

Material editor: Custom node doesn't generate error in stats output

UE - Graphics Features - Aug 22, 2018

In 4.20 custom code material nodes no longer output their errors to the stats window. ...

Control Rotation set in AGameModeBase may be inconsistent between Servers and Clients (or between Standalone and Multiplayer)

UE - Gameplay - Aug 21, 2018

AGameModeBase::FinishRestartPlayer and AGameModeBase::RestartPlayerAtPlayerStart handle rotation differently for Spawning Pawns and Control Rotation depending on whether or not the game is Standal ...

Tooltips are not displayed for inherited variables

UE - Gameplay - Blueprint - Aug 22, 2018

When creating a child Blueprint class and displaying the inherited variables from the parent, any tooltip text created does not show. ...

Creating SplineMeshComponents along Spline causes crash

Tools - Aug 22, 2018

Attempting to procedurally create SplineMeshComponents along the spline of a SplineComponent via a derived SplineComponent class's constructor causes the project to crash. It runs into an ensure mes ...

Auto Wrap Text breaks inside of a ScaleBox

UE - Editor - UI Systems - Aug 22, 2018

Widget Elements within a scalebox  are inappropriately resized upon scaling. Tested in 4.19.2 (CL - 4033788), 4.20.2 (CL - 4306439), 4.21 (CL - 4305553) ...

Soft References resolved at Runtime result in References to Persistent Assets

UE - Gameplay - Aug 23, 2018

It is believed that soft references resolved during runtime, point to the edit time instances of actors instead of the runtime instances. This issue does not reproduce when it is called from an Inp ...

PIE gets stuck on infinite loop when Background Streaming is disabled

UE - Foundation - Core - Aug 24, 2018

When "Use Background Level Streaming" is disabled, the Editor gets stuck loading in PIE when you press Play. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in 4.2 ...

Changes to RuntimeFloatCurves do not propagate to child BPs until the Editor is restarted

Tools - Aug 27, 2018

Any changes made to a RuntimeFloatCurve will not be propagated to child Blueprints until the Editor has been restarted. ...