Normal of Skeletal Mesh is incorrect when Recompute Tangent is used when Skincache is enabled

UE - Graphics Features - Aug 12, 2020

This issue occurs in Skeletal Mesh depending on the model when Skincache is enabled and affects the rendering. ...

Precompile occurs in Niagara when Standalone is started, increasing load time.

UE - Niagara - Mar 11, 2021

In 4.26.1, if you remove the collision module from NiagaraSystem, the Precompile will not occur. ...

Hot reloading newly created C++ project compiles modules

UE - Foundation - Core - Apr 25, 2017

This is a regression from 4.15.2 and occurs on both Windows and Mac. Affects both Binary and Github builds. ...

Copy Pose From Mesh Node Does Not Preview in Sequencer

OLD - Anim - Jun 13, 2018

Copy Pose From Mesh node does not affect the animation when previewing in Sequencer. This works when played in the editor. ...

Console is off screen in VR preview when windows scaling is set to 150% or above

UE - Platform - XR - Jun 29, 2018

Windows scaling appears to affect the HMD if the project is open on a screen with window scaling being used. ...

Widget "Listen For Input Action" executes on unexpected input event

UE - Editor - UI Systems - Feb 19, 2020

Listen For Input Action firing erroneously. Confirmed in 4.26 MAIN @ CL 11536993 ...

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

UE - Gameplay - Blueprint Editor - Jun 7, 2021

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

[CrashReport] UE4Editor-Kismet.dylib!FTabInfo::OnMouseDownHisory(FGeometry const&, FPointerEvent const&, TWeakPtr<SMenuAnchor,()

UE - Platform - Apple - Jul 20, 2017

This is a common crash affecting Mac users in 4.16. It has occurred since at least 4.13 ...

Grass does not show up when I override the Material of LandscapeComponent.

UE - Graphics Tools - Terrain - Landscape - Sep 8, 2021

Regression checked in //UE4/Release-4.26.2 CL 15973114 the issue is not reproduced thee ...

Pasting timeline components into another actor and then choosing "cancel" on fix self context function references results in a broken state

UE - Framework - Components - Sep 13, 2021

upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue was reproduced. Regression - No ...