Unreal Engine Issues

Landscape cooked heightmap and Physical Material mismatch

Several users have reported crashes where the Heightfeild loaded from the DDC and physical material list do not match. Suggest adding the number of physical materials to part of the cooked heightma ...

Physics actor with physics toggled will fall through static meshes set to Movable

Physics actor with physics toggled will fall through static meshes set to Movable User Description: Basically, what this project does is enable simulate physics on the black cube in the middle, th ...

iOS Shipping Build using std::thread crashes on launch

A user is reporting that using the following code in a GameMode class causes shipping iOS packages to crash on launch:void ANOGSSDKGameModeBase::StartPlay() { std::thread([](){ std::clog << "THRE ...

Crash when compiling Blueprint Function containing a connected Set Variable node for a local variable named after a replicated Actor property

Creating a local variable inside a Blueprint Function with the same name as a replicated property of AActor (for example, “Role” or “RemoteRole”) and then using a connected Set Variable node for it ...

Sequencer causes 3DWidget on BP vectors to snap to Actor when active

When we have Vectors in BP with Show 3D Widget enabled, the Transform Widget would always snap back to the Actor after we move the 3D Widget in-world. [Link Removed] Removing the _DaySequenceActor ...

EQS Overlap test no longer recognizes custom Collision Object Channel

Environment Queries Ignore tests for Custom Collision Object Overlaps. Note: The expected behavior seems to have worked in 4.21, After following the steps to reproduce, I can verify a successful de ...

Certain UPROPERTY values are not updated during auto-recompile

Sometimes manual recompile is required to make a blueprint actually recompile data-only changes, but not always. If the last manual compile was with default values, then changes are not updated. If ...

Modifiers do not behave as expected when adding conflicting mappings of different priorities

Breaking a level instance can not remove the level instance from world

Currently there is no stable way to break level instances ...

iPadOS AR App Crashes when ARKit's "Use Scene Depth for Occlusion" is Enabled

Does not crash in 5.4 on same hardware so looks like a regression. Attached Unreal logs indicate source of critical error: 'FARKitCameraOverlayMobilePS' shader uniform expression set mismatched sh ...