Unreal Engine Issues

[Perforce Integration] Duplicate asset, renamed to match deleted parent, results in undesired marked deletion of duplicate asset in Perforce

UserSceneTexture Post Process Material Renders Incorrectly When ScreenPercentage is Below 100

When using a UserSceneTexture in a post-process material, a visible rendering issue occurs if the viewport's ScreenPercentage is set to below 100. This issue looks like it might stem from an incorre ...

AfterMotionBlur Translucent Material With Local Exposure Enabled Causing Artifacts

When TSR is enabled, translucent materials using the AfterMotionBlur translucency pass cause visual artifacts when local exposure is active. The artifacting is believed to occur because the local ex ...

If any light source is deleted, and a single light has its visibility state changed in LightMixer, all the other lights in the scene that were invisible turn visible

If any light source is deleted, and a single light has its visibility state changed in LightMixer, all the other lights in the scene that were invisible turn visible. The behavior only shows after d ...

[AI] StateTree Category = Input validation doesn't validate child properties

Normally if you have a property in your state tree instance data of the input property(Category = Input), when you compile the state tree, you will get errors if the property does not have a binding ...

MultiProcessCook Shader Symbols fail to write when two workers race and try to write them at the same time

When shadersymbols are requested, cooking shaders writes the symbol files into {Project} /Saved/ShaderSymbols/<PlatformName>. These symbols are written by the function FShaderSymbolExport::Write ...

Linux: In COLMAP export, it is not possible to export the mask layer in JPG 24-bit BRG or in PNG 24-bit BRG

Viewport Renders Black when adding a Third Player using Splitscreen Multiplayer

As the title suggests, whenever you attempt to add a third player using splitscreen, whenever the third player is created the viewport renders black. This only occurs when the viewport is sized to a ...

Crash When Adding Actor Component Tagged 'Within' to a Game Mode Blueprint

Crash occurs when attempting to add an actor component c++ class to a game mode blueprint if the actor component is tagged with the Within="GameMode". Found in 4.11.2 binary, reproduced in 4.10.4 ...

Moving or changing the name of a project's GameInstance will switch the Game Instance Class to None and crash launched games

If the GameInstance set in Project Settings > Maps & Modes > Game Instance Class is renamed or moved to another folder, the Game Instance Class is switched to None. This causes a launched game to cr ...