Logos 4.3 Beta 1 (v4.30.1.0133) will be available for testing today.
When it is available you can upgrade to Beta 1 by using the "Update Now" command if you’ve switched to the beta channel before, or the "Set Update Channel to Beta" command if you're on a stable version (such as 4.2 SR-2). To install Beta 1 from scratch, see the notes and download link at http://community.logos.com/forums/t/8883.aspx.
For Release Notes, see: http://wiki.logos.com/Logos_4.3_Beta_1