Mention/tag user via SE mobile app
53221
Add @reply autocomplete when commenting on the Android app
18490
Allow flagging comments on mobile site
63752
Facebook: send an app invitation
5485
Favorited Tag Questions on the Stack Exchange Android app
66632
Allow access to tag wikis from the Android app
126835
Please add a reply button to messages in the pinned/starred section
76553
Does using @user in a question or answer send an inbox-notification to that user?
56089
Feature request: Add pronouns to usercards?
94269
Is there a way to follow a user on Stack Overflow?
14244
Finding specific users by their location and a tag score
19895
Highlight OP's comments on the Android mobile app
134340
Unable to @mention Partner user on chatter feed by Salesforce Internal User
24196
How to use a nickname to identify my posts?
123872
What's the possibility of adding a "Did you mean ..." in the tagging system?
71649
Ability to add tag to Interesting/Ignored by clicking on it
117711
Show "helpful flags" counter and link on the mobile site profile page
91742
How much reputation do I need to suggest a tag?