Movable Type 5.1 Beta 4 is available to download and test.
Here is the release notes for Movable Type 5.1 Beta. Please note that minor cases are not listed here, please see FogBugz for all cases.
To join the beta test:
For more details:
Your feedback is important to get Movable Type 5.1 ready for the final release. Please don't hesitate to create a new case.