Unreal Engine Issues

A partially broken Geometry Collection ends up with garbage CollisionGroup data that can lead to strange behaviors

A partially broken Geometry Collection (GC) ends up with garbage CollisionGroup data that can lead to strange behaviors. The licensee has noticed that a GC that goes thru a field applying ExternalS ...

Custom Render Passes in Sequencer and High Res Screenshots are rendered incorrectly in HDR with DX12 and r.PostProcessingColorFormat=1

Buffer visualizations rendered in HDR through the high res screenshot tool or sequencer using DX12 and r.postprocessingcolorformat 1 will result in renders that only capture the first row of pixels. ...

The crash reporter tool does not start on Windows 8.1 machines when running the Engine built from source code.

The source code to build the Engine that is available from GitHub includes the file dbghelp.dll, which prevents the crash reporter tool from starting on Windows 8.1 machines. This file is not presen ...

Crash with geometry collection in es3.1 preview

[MetaSounds][Trigger Route] - If Value 0 is a non-zero value and Value 1 is a zero value, the output "pops" on triggering Set

When using the Trigger Route node, if Value 0 is a non-zero value and Value 1 is a zero value, the output "pops" on set. [Link Removed] ...

When OpenGL ES 3.1 is enabled for Android build in Handheld AR Template, camera inverts colors

When OpenGL ES 3.1 is enabled in Android Build settings, device prompts user to choose to "Allow ARInvertColor to take pictures and record video". If allowed, colors are inverted by the camera. If ...

Packaging for Win32 fails on Visual Studio version 15.7.1 with multiple unable to find mspdbcore.dll errors

This did not reproduce with Microsoft Visual Studio version 15.6.2 at the same CL in //UE/Main. Only occurred after I updated from 15.6.2 to 15.7.1. ...

Investigate updating the default XInput version to 1.4

Background blur missing with HDR CompositeMode 1

UPD: According to Affects Version field, issue reproduces in 4.26, Regression for 4.27 - No. ...

Calling the node Show External login UI with the With the Enable Google play support checked on a Samsung S5 will cause the app to crash

If the user is using a Samsung S5 and attempts to use the "Show External login UI" node with the Google play Support turned on in the project settings then the app will crash when packaged onto the ...