Unreal Engine Issues

Mobile Preview -> AutoLandscape Material broken if created in 4.22+

Landscape Layers created in 4.22+ revert to default material in Mobile Preview. Confirmed in MAIN at CL 9730599 ...

Lighting Channels Do Not Function with 78+ Lights on Actor

Lighting channels do not function when the number of lights affecting actors is 79 or higher. Any number of lights that is 78 or fewer will honor lighting channel assignments. ...

Physics Constraint no longer constrains components that are set to Query Only

Physics Constraint no longer constrains conponents that are set to Query Only Regression from 4.11.2 User Description: Testing a 4.12 copy of my 4.11 project and when I tested in editor, all my ...

Invisible child components appear for one frame on scene capture 2D windows if another component is attached.

Invisible child components appear for one frame on scene capture 2D windows if another component is attached. ...

FDateTime instances are reset to default on hot reload

If an FDateTime variable is created in code and has a default value set in blueprints, any instance that is set to the blueprint default value changes to the code default on hot reload. This includ ...

The orientation of the tangent space seems wrong with SkinCache recompute tangent enabled

[CrashReport] Crash on Mac due to uncaught exception 'NSRangeException' - HIToolbox!DispatchEventToHandlers()

This is a common and longstanding community crash on Mac. Users have not provided descriptions when they crash, so additional information is currently not available. A log file is attached. Call ...

Niagara versioning Upgrade Notes do not stay dismissed after update from 4.26

DFAO has ugly result on Hair Material with Custom Tangent

Adding a Scene Capture 2D to Render Target will override Motion Blur settings in level

With a Render Target From Scene Capture 2D setup in a level , the motion blur settings from a global post process volume is overridden. Was investigating Scene Captures picking up Motion Blur when ...