Torque curve makes no difference on vehicle movement

UE - Gameplay - Blueprint - Sep 11, 2015

When changing the Torque Curve in a Wheeled Vehicle's Vehicle Movement Component, the values set don't affect the torque of the vehicle. ...

Object using specific Corona Material Import by default with wrong UVs

UE - Editor - Content Pipeline - Datasmith - Exporters - Jan 29, 2019

Save on Compile "On Success Only" Does not save on Successful Compiles with Warnings

UE - Gameplay - Blueprint - Aug 6, 2015

The option to save on Compile "On Success Only" does not save on successful compiles that contain warnings. If this is intended, then to avoid confusion, the tool tip should specifiy that "Blueprin ...

Renaming an AnimNotify does not redirect event nodes to the new name

OLD - Anim - Apr 10, 2015

Renaming an animNotify in the Animation Notifies window (Window>Animation Notifies) does not redirect existing event nodes to the new name. It also doesn't appear under the Right Click menu in the ...

Cast enum to byte could occasionally break cook/resave in level BP

UE - Gameplay - Blueprint Compiler - Aug 27, 2020

 Workaround:The blueprint macro had a cast from the enum to an int and that was causing the issue, getting rid of the cast and just returning the enum and then changing all the places that were usin ...

Equals (==) node in blueprint is case sensitive for the Cyrillic alphabet

UE - Foundation - Core - May 21, 2015

If two strings or names are compared in blueprint using the Equals (==) node, it is not case sensitive in English. It is case sensitive in Cyrillic however, even though it should be the same functio ...

Hot Reload: Component bCanEverTick is not updated after compile

UE - Gameplay - Components - Mar 15, 2017

Setting PrimaryComponentTick.bCanEverTick in a custom actor component's constructor does not does not stop the component from ticking after compile. ...

Translucent User Interface materials do not have a thumbnail preview

Tools - Feb 15, 2018

Translucent User Interface materials do not have a thumbnail preview. I do not see this issue with Translucent Surface materials. REGRESSION: No, this issue also occurs as far back as 4.17.2 ...

Previous Tangent Recalc` and Size by Life misbehave at low FPS

UE - Niagara - Jun 18, 2019

At low FPS particle systems with "Previous Tangent Recalculation" enabled in the Ribbon Data result in messy mesh generation. Found in 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6925347, and 4.24 ...

Fix SourceLength to be tangent to spot light axis

UE - Graphics Features - Mar 4, 2015