This is the first automated release of JBrowse 2 beta! This includes many exciting features including a new session sharing system. There are a whole host of other changes that have not been tracked CHANGELOGs yet but we will be reporting more granular updates with our later releases!
To install, you can download the link above, or you can use the jbrowse CLI tool to automatically download the latest version. See the jbrowse 2 quick-start guide for more info