Logos 4.3 Beta 1 Mac (v4.30.1.0133) is available for testing today.
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 Mac). To install Beta 1 from scratch, use this download link http://downloads.logos.com/LBS4/LBS4MacInstallerBeta/Logos4Mac.dmg
For Release Notes, see: http://wiki.logos.com/Logos_4.3_Beta_1