No additional MipMaps Generated on UI Texture Group

UE - Graphics Features - Mar 19, 2019

In previous versions of the engine (4.21), 10 MipMaps are generated with the above repro steps. Starting from 4.22 and CLs above the editor only produces 1 MipMap with the above texture settings. T ...

UHT always runs when building a code project using a binary Engine installation even if no code change has been made

UE - Foundation - Cpp Tools - UnrealHeaderTool - May 2, 2019

When building a code project that was created with the binary Engine installed through the Launcher, UHT always runs even if no code changes have been made. This only occurs with a binary Engine ins ...

Cannot set FVector values in a "Make Struct" node in Blueprint

UE - Gameplay - May 9, 2019

When trying to use any "Make Struct" node that uses vector values, the values typed into FVector fields will reset to 0. This is a regression from 4.21.2 (CL-4753647). This reported and tested in ...

Package build crashes when using Niagara system on a Skeletal mesh

UE - Niagara - May 29, 2019

Packaging a project having a skeletal mesh with a niagara system attached to it in the scene causes the build to crash when running the executable.  I have attached the log and dmp files relevant t ...

The Temporal console variable has the wrong value

UE - Graphics Features - Aug 20, 2019

The r.SSR.Temporal console variable value is always set to its debugging value of 0 instead of being at its default of 1 Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P6 (CL - 798402 ...

Forward Rendering Lightmap Density view flicker

UE - Graphics Features - Aug 20, 2019

The shaders flicker when in Lightmap Density viewmode after enabling Instanced Stereo Rendering in Project Settings > Engine > Rendering > VR  Tested in 4.21.2 (CL - 4753647) 4.22.3 (CL - 7053647), ...

Casade debug cone is drawn at the wrong rotation

UE - Niagara - Aug 21, 2019

The B 3DDraw Mode functionality draws at the wrong rotation for the Velocity Cone module. It seems to draw 90 degrees off. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P7 (CL - 8115 ...

The Perspective grid Z Fights with meshes placed in world (regression)

UE - Graphics Features - Jan 12, 2017

The editor grid will zfight with meshes that intersect the grid in the 3d viewport. Creates and unpleasant experience while working with the grid turned on. Repro: 1. Launch Editor 2. create new ...

Moving actor to another level breaks soft object reference

UE - Gameplay - Jun 9, 2020

REGRESSION: In 4.24, there was a fixup process that would allow the soft reference to remain valid. This seems to be missing in 4.25 Moving an actor to another sublevel immediately breaks soft ref ...

Fbx Importer: Make sure the blendshape curve keys have the correct tangent scale

UE - Anim - Oct 4, 2021

The tangent of the blendshape curve seam to have the wrong scale (but correct direction) from this UDN. https://udn.unrealengine.com/s/question/0D54z000079J03OCAS/skip-compressing-anims-and-buildin ...