Significant editor slowdowns when moving blueprinted actors while having a different complex blueprint open

UE - Framework - Blueprint Editor - Jun 7, 2021

A Blueprinted actor's construction script time can be affected by the complexity of an opened level Blueprint. ...

Cannot access Make MaterialSpriteElement Struc

UE - Graphics Features - Apr 16, 2015

You cannot access the Make MaterialSpriteElement Struc since 4.6 when pulling off a Material Billboard Component Set Array Elem setup. In 4.5[Image Removed] In 4.7.5[Image Removed] also reproduce ...

Pawn Blueprint cannot have variables default value set in Engine ini

UE - Gameplay - Blueprint - Jun 1, 2017

When using a pawn blueprint, you cannot modify the value of a variable in the config files. This issue does not affect other kinds of blueprints, as this issue does not affect actor blueprints. Re ...

GetStaticMeshViewport() is called without checking if it returns a valid viewport causing the Editor to crash

UE - Editor - Dec 9, 2021

This is not a regression. Tested in: //UE4/Release-4.27 CL18319896 Binary //UE5/Release-5.0-EarlyAccess CL16682836 Binary //UE5/Release-5.0 CL18407655 Personal P4 When opening a static mesh without ...

Actors set to Spawnable are not trackable by a camera once they've spawned

zComponent - Archive - Jan 18, 2023

Tested in //UE5/Release-5.0 CL20979098 this is a regression. Attachment is of UE 5.0.3. Actors set to Spawnable are not trackable by a camera once they've spawned. The camera will track the actor w ...

Build geometry removes spline component visibility

UE - Framework - Components - Jan 23, 2023

A spline component will become invisible after building geometry with the spline actor in the level. This issue is occurring in //UE5/Release-5.1 @ Binary CL 23058290 This issue is NOT occurring ...

Material Expression Reference Page: "Inputs" and "Outputs" definitions reversed from illustration

On the Material Expression Reference Page, located here:https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/ExpressionReference/index.html Material Expressions has an image numbered ...

Rotation popping when attaching the negatively scaled hand mesh of a motion controller the child of a box collision component (left hand)

UE - Platform - XR - Mar 7, 2017

The left hand in the VR template appears to pop as it rotates when assigning the mesh for the motion controller a parent that is a box collision component. This does not appear to affect the right h ...

Movie Render Queue Renders Black Frames when MultiSample Effects Are Disabled

zComponent - Archive - Apr 25, 2022

Occurs 5/5 times. When 'Disable Multisampling Effect' is enabled, the Render Warm Up is set to 0, and the Custom Playback Range is set to a small value, frames render out fully black. Regression d ...

Shadows render incorrectly on the border of two landscapes

UE - Graphics Tools - Terrain - Landscape - Jan 4, 2023

Regression: Tested in UE5/Release-5.0, issue does not occur so regression is yes This issue appears on whichever side of the first landscape the second landscape is adjacent to. Moving the Directio ...