http://www.RitLabs.com/en/tbbeta/
Here is a short list of changes:
[-] (#0005396) "Move up", "Move down", "Move in", "Move out" are not working correctly when moving folders across accounts
[-] (#0005295) Button "Token editor" in "Account properties" is allways enabled, even does nothing
[-] (#0005228) When importing certificates in Base64 format, The Bat! didn't ignore trailing space characters.
[-] (#0005179) Chars ??? in "Signed message verification report"
[-] (#0005427) Invalid display of free space percentage in Backu/Restore dialog
[-] (#0005207) Edit action, headers, network dialog and message finder might have wrong characters when using translations to Cyrillic alphabets.
[-] Unnecessary confirmation on closing message editor
[-] MailTicker didn't work in Voyager.
[-] During the installation it din't ask for OTFE mode (beta issue).
[-] Filters not worked on hardware OTFE
[-] Empty row at the bottom of the header editor