В справочных материалах компания Google нередко публикует известные баги, чтобы пользователи не тратили и своё и специалистов время на ненужные эскалации.

Google+: https://support.google.com/plus/known-issues/1238859
Google Hangouts: https://support.google.com/hangouts/known-issues/3139543
Gmail: https://support.google.com/mail/known-issues/14973
Gmail Offline: https://support.google.com/mail/answer/1311387
Google Play: https://support.google.com/googleplay/known-issues/1319135
Календарь Google: https://support.google.com/calendar/known-issues/15494
Диск Google: https://support.google.com/drive/known-issues/2458941
Google Adwords: https://support.google.com/adwords/known-issues/16732
Google Apps / Administration: https://support.google.com/a/bin/static.py?page=known_issues.cs
Google Apps / Google+: https://support.google.com/a/bin/answer.py?answer=2740976