The release installers come with the ability to migrate (copy) your Azureus/Vuze config, downloads, and plugins.
2017.07.27 | BiglyBT 1.0.0.0
CHANGE: UI | Bigly Changes [parg, TuxPaper]
CHANGE: UI | Remove VHDN/Content Network stuff, Games, DVD sidebar entries [parg, TuxPaper]
FEATURE: UI | "tag:" text filter for torrent views [TuxPaper]
BUGFIX: UI | [*nix] Devices now show on Sidebar, just like OSX/Win, except no transcoding [TuxPaper]
BUGFIX: UI | [*nix] Lots of minor fixes for GTK3 [TuxPaper]
BUGFIX: UI | Search Template editor now works again [TuxPaper]
CHANGE: Core | Bigly Changes [parg, TuxPaper]
CHANGE: Core | Min Java is now 1.8 (which also means min OSX is now 10.7.3)
CHANGE: Core | [Mac] Dropped OSX 32-bit and "Carbon UI" support [TuxPaper]
CHANGE: Core | Removed Offline Downloaders from Devices [parg]
CHANGE: Core | Fixed sites with specific SSL certs not working (fixes some search templates) [parg]
CHANGE: Core | All OSes now support a java.vmoptions in the users's config dir [TuxPaper]
Historical Change log can be found at http://wiki.vuze.com/w/ChangeLog (5.7.5.0 and below)