Want to help hack on the qatracker? Checkout the developer guide to setup a test instance to develop against.
Make changes, test them locally, and then submit merge requests for inclusion into the production site.
All bugs Latest bugs reported
Bug #1510939: Bug colours
Reported on 2015-10-28
Bug #1468064: flavor report a bug links in testcases don't work
Reported on 2015-06-23
Bug #1462367: packages.qa.ubuntu.com still shows vivid as testing and does not have an option for wily.
Reported on 2015-06-05
Bug #1434553: Ubuntu Mate download pages lack md5sum and zsync links
Reported on 2015-03-20
Bug #1429321: Top Testers - links to LP
Reported on 2015-03-07