Exists some Ubuntu 16.04 known bugs/issues site?
13801
How do I report a bug?
68184
Where should people give feedback on Ubuntu?
51515
Where can I find the source code of Ubuntu?
145691
Why is Ubuntu's clipboard so hit and miss?
17999
How to find out where an error occurs?
82177
Where to report app bugs
33972
Can bug reports and feature requests requiring SE Dev attention be reported on per-site metas, or do they need to all go here?
6724
What tools do I need to use to report a bug in a developers PPA?
111450
Where Can I Give Feedback on Ubuntu?
4268
How to fix "Package is in a very bad inconsistent state" error?
782
What are the most common pitfalls awaiting new users?
5359
Best place to put bug reports?
60157
Where are errata posted/published?
24961
Missing font on some error and dupehammer info popups
130285
Is Ubuntu based on Debian unstable or Debian testing?
34691
How do I file feature request bugs on Launchpad?
139545
Troubleshooting Packaging Error of General function failure?