no database upgrade needed from version 2.0.x to 2.2.0.
Version 2.2.8 is a bug fix to version 2.2.7:
-- It fixes bugs: 1036, 1033(doc), 1028, and possibly 1018 and 1032.
- Bugs 1018 and 1032 involve problems with multiple-drive autochangers.
+- It fixes bugs: 1036, 1033(doc), 1028, 1040, 1045(doc), 1030,
+ 1042(partially), and possibly bugs 1018 and 1032.
+ Bugs 1018 and 1032 involve problems with multiple-drive autochangers,
+ and are difficult to reproduce.
+ See the ChangeLog for more details.
Version 2.2.7 has several new features and several important bug fixes
since version 2.2.6: