The announcement of release 4.6.15 (and previous updates) on the CiviCRM website blog is very 4.7 centric. There's no link to what fixes have been incorporated into the 4.6 update - and as 4.6 is an LTS release many will be wanting to stick with it. Or have I missed it? If someone can send me a link here that would be great. Suggestion: improve the announcement to have a link to the fixes.
Agreed on your suggestion -- the notification post usually does have a link to the fixes. Here are the issues with a fixed version of 4.6.15: