Mac - Xcode fails to build C++ project with a Shell Script Invocation Error

UE - Platform - Apple - Oct 5, 2020

This does not occur in 4.25.4 Binary and is a regression. ...

Instance's parameter value for Child BP is not reflected in cooking if parent is nativized

UE - Gameplay - Blueprint - Jul 31, 2018

If an instance of a child BP has a non-default value for its parameters, that value will be ignored in the cooking process if the parent BP is nativized but the child is not and the default value fr ...

Significant hitch in PIE when unloading a sublevel via level streaming volume on Mac

UE - Platform - Apple - Jan 12, 2017

This does NOT happen on Windows and is not a regression as it occurs in 4.14.3 ...

iOS - Graphical distortion when packaging with Metal Desktop Renderer v2.1 turned on

UE - Platform - Mobile - Feb 3, 2021

Marking as a regression as this issue does not occur in 4.25.4 ...

Crash when building lighting with a skylight that draw lit translucent material

UE - Graphics Features - Aug 14, 2017

A common crash affecting many users in 4.17.0 ...

Hair sampling/aliasing in editor with sequencer

UE - Graphics Features - Jun 9, 2021

UPD: affected version 4.26 so regression for 4.27 is no ...

Large round stone in ZenGarden is no longer reflective

UE - Graphics Features - Jan 17, 2017

This is a regression from 4.14.3 at CL 3251583 This is only happening in packaged/standalone ...

Decals not captured in environment reflections

UE - Graphics Features - May 2, 2019

Decals are not being captured by environment reflections. Last working in 4.20.3 ...

Cascade sprite scales incorrectly / flickers when set Screen Alignment to Velocity

UE - Niagara - Dec 10, 2019

Very easy to reproduce. uasset file provided. Doesn't happen in 4.22.3 ...

Ray traced GI denoiser blotches/artefacts

UE - Graphics Features - Lumen - Sep 15, 2021

See licensee description of the issue for more info. Issue did not occur in 4.25. ...