Placed instances do not update dynamic binding after hot reload

UE - Foundation - Cpp Tools - Hot Reload - Oct 6, 2017

Adding a dynamic binding and preforming a hot reload sometimes causes the binding to not be registered by class/blueprint instances that already exist in the world. Instances need to be replaced fr ...

Some text in the Editor displays in a very small font size

Tools - Oct 31, 2017

Some of the text in the Cascade editor in 4.18 is very small compared to other text in the Cascade editor. This was seen on a MacBook Pro with Retina display. It appears to be related to high resolu ...

Hiding level in Levels tab jumps to Details tab if it is docked with Levels tab

Tools - Nov 8, 2017

When toggling level visibility in the Levels tab and the Details tab is also on the window it will jump over to the Details tab. This was tested with other tabs and when toggling visibility it remai ...

Maps of Wildcard type do not propagate values correctly when inside of macro

UE - Gameplay - Blueprint - Dec 7, 2017

There is an issue with Maps of Wildcard type that do not propagate values correctly when inside of macro. When using these in a blueprint there are errors and the blueprint cannot compile. This issu ...

Expandable Area does not respect scrollbox boundaries unless set to fill

UE - Editor - UI Systems - Dec 13, 2017

There is an issue where Expandable Area does not respect scrollbox boundaries unless set to fill. This occurs when the scrollbox is a child of another component. This issue does not appear to be a r ...

Child Actor components on Clients use the incorrect default values for variables that are not being replicated

UE - Gameplay - Blueprint - Aug 28, 2018

When a Child Actor's class is replicated but the individual variables are not, the individual variables will use the default of the original BP class instead of the defaults that were set in the Chi ...

Missing Service Node warning when opening project

UE - AI - Sep 24, 2018

Services in the Behavior Tree sometimes don't work when the project is first loaded. The Behavior Tree will print a "missing service node" warning and the BT will remain inactive. This was reported ...

EarlyZPassOnlyMateriaMasking Makes Masked Materials on Particles Flicker When Close to the Camera

UE - Niagara - Oct 12, 2018

When "r.EarlyZPassOnlyMaskedMaterials" is enabled, masked materials used with particles will flicker when close to the camera. Found in 4.17 CL# 3658906, 4.18 CL# 3832480, 4.19 CL 4033788, 4.20 CL# ...

Skeletal Mesh rigid body simulation is not being updated with correct bones locations right after Skeletal Mesh is spawned

UE - Simulation - Physics - Nov 5, 2018

When simulating in Editor, the Skeletal Mesh bone locations are not being passed into simulate if the simulation is being toggled the same frame when the Mesh is being set on a Skeletal Mesh compone ...

Delay when attempting to input Korean characters using an IME with certain types of text boxes

UE - Editor - UI Systems - Localization - Nov 8, 2018

A user has reported that inputting Korean into certain types of text boxes in the editor using an IME results in delayed input. The user reports that this occurs with SMultiLineEditableTextBox in th ...