Cannot build a project containing a UFUNCTION that takes a pointer to a deprecated component as a parameter

UE - Foundation - Core - Jul 18, 2018

If a UFUNCTION takes a pointer to a component as a parameter, the project cannot be built if the component's class is marked as deprecated. The error message that is provided states that the propert ...

Undoing a change to the content of a Text widget while it is still selected causes an assert

UE - Editor - UI Systems - Jul 17, 2018

Hitting undo on a text widget while it is still selected will cause an assert. This appears to happen because the widget loses focus and attempts to commit it's text while still processing the undo, ...

Character actor with simulated physics using an Anim Instance blueprint does not preview when scrubbing through sequencer timeline

UE - Anim - Sequencer - Jul 17, 2018

A character actor using an AnimInstance blueprint will not update in editor when scrubbing ...

Live Link Pose node silently fails in Standalone mode due to incorrect Module type

OLD - Anim - Jul 17, 2018

LiveLinkEditor Module is flagged as "Editor" and not "Developer" causing the Anim Node "Live Link Pose" to silently fail in Standalone mode. The node works correctly in PIE and in packaged builds. ...

Failure to save after reimport when datasmith actors were moved to sublevel

UE - Editor - Content Pipeline - Datasmith - Importer - Jul 16, 2018

Notice that when you create the sublevel the Cylinder get removed from its parent; and that after reimport, it gets moved back. Not reproducible with Import Datasmith ...

Niagara Particles don't work with Instanced Stereo Rendering enabled

UE - Niagara - Jul 13, 2018

With Instanced Stereo enabled, CPU Niagara particles are not visible, GPU Niagara particles render in left eye only. ...

Niagara Not Working with Volumetric Materials

UE - Niagara - Jul 13, 2018

Niagara will not work with Volumetric Materials. Found in 4.20 Preview 5 CL# 4173640 and 4.21 CL# 4207835 ...

Importing an Alembic File with "Skip Empty Frames at Start of Alembic Sequence" Enabled Causes Crash

OLD - Anim - Jul 13, 2018

Importing an Alembic File with "Skip Empty Frames at the Start of Alembic Sequence" Enabled Causes Crash. Found in 4.20 Preview 5 CL# 4173640 and 4.21 CL# 4207835 ...

[ Rhino ] Rhino 6 files are not importing correctly in DataSmith

UE - Editor - Content Pipeline - Datasmith - Importer - Jul 12, 2018

Geometry from a Rhino 6 file is not importing correctly. When imported it has holes and tears in the mesh. The same file saved as Rhino 5 and imported looks fine. ...

Input not recognized from 'Any Key' when set as an Action Mappings Binding

UE - Gameplay - Jul 12, 2018

The 'Any Key' input isn't working when it is assigned in the Axis Mappings menu. If you call 'Any Key' in Blueprint it still functions as intended. This is a regression from 4.19.2 (CL-4033788). T ...