This release is targeted at the better user & administrator experience with:

1. User  time zone mapping , making things easy for distributed teams.
2. Visual display of the workflow. At last we can see the process.
3. Multiple selection of upload files.
4. JQL Improvements : What is history without WAS. New operators  ON, BEFORE, AFTER, DURING, BY, to drill issues e.g. ‘ was reopened more than twice’    issues created in (during ) June
5. New look Email alerts & Activity stream