Unreal Engine Issues

Attach track in the Audio track of Level Sequence becomes Unresolved Binding when the Editor is restarted.

It looks like the Actor's Binding information has not been saved successfully. ...

IPhonePackger re-signs app with old signature format that makes users get the warning popup on iOS

Apple forces developers to code sign an app using the latest code signature format and IPP needs to support it. a related link: [Link Removed] ...

SetConstraintBindingID of ConstraintSection on Sequencer cannot be set from Blueprint

The SetConstraintBindingID of the ConstraintSection on the Sequencer is the BlueprintPure function. The licensee is trying to parent and child objects on the Sequencer using sequencer scripting, and ...

Second controller input doesn't work setting client mode on PIE.

When two controllers connected, player2 input is disabled in client mode in PIE. It worked correctly in 4.25, but it has been wrong since 4.26.  Digging into FSlateApplication::ProcessKeyDownEve ...

Executing r.setres does not render correctly when Orientation of Display is Portrait on Windows PC

This issue will display correctly in Portrait if you don't specify a resolution, but using r.setres will display it incorrectly. ...

Can't preview correctly when using Lookat Track with [Can Blend] enabled

When I play it in PIE, it plays fine. This problem does not occur in 4.25.4. ...

Blueprint processing is heavy in PIE since 4.26

As the attached image shows, there is no problem in 4.25.4, and the process is noticeably slower in 4.26.1. Also, there is no problem in Standalone. The problem occurs only in PIE. ...

Chaos-enabled projects will disable Post Process Volume with sphere tessellation of 4 or higher

Volumetric Translucent Shadow does not work

SkyAtmosphere is not displayed in ES3.1 Preview

Atmospheric Fog is not displayed as well. ...