4.6 Beta 4 (4.60.0.2907) is available for testing.
To update to Beta 4, enter the Update Now command if you’ve switched to the beta channel before, or enter the Set Update Channel to Beta command if you’re on a stable version (such as 4.5c SR-4).
Release Notes
To install Beta 4 from scratch, see the notes and download link on the following threads:
Windows
Mac