Customers of Atlassian's hosted SaaS service OnDemand (Jira/Confluence) have been waiting 3 years for basic CNAME support. (ie: wiki.companyname.com instead of accountname.atlassian.net)
https://jira.atlassian.com/browse/AOD-6999
Even though it is the most voted for issue, by a factor of three it was closed last week as WONT-FIX.
Shameful - pages upon pages of enterprise customers given the royal f-u.