Is there a button or link to explanation of the changes? Like this revision at this date, introduced these changes.
Is there a voting somewhere for features requests?
check the official list of new features and various changes to Stack Overflow and the Stack Exchange network:
Also, check all the recent questions tagged [status-completed]:
For voting, simply vote +1 on feature requests you want:
This question here details all recent changes to the Stack Exchange Network.
New features are either posted on this site by Moderators tagged as
Or they are posted by members of the community tagged as
There is no definitive page or wiki with a complete list where new feature are proposed and accepted (apart from questions on this site obviously)