Disabling down vote option for their first question by new users
134831
Ability to create questions with vote or comment or both disabled
147115
Disallow downvoting other answers if I've posted my own
78594
Downvotes and close of beginner question
83426
Prevent suggested edits under 10 reputation on protected questions
66003
Make the message shown to registered users without enough reputation to vote less confusing
56691
Disallow closing of questions with a certain number of question / answer upvotes
70385
Prevent the OP commenting on their own post?
119103
Allow downvoting comments
105542
Allow flagging a comment after upvoting it
135830
Could new users be prompted to edit instead of commenting?
32517
What purpose does downvoting questions serve?
96070
Make First post different from rest?
99891
Can we actually discourage downvotes?
45621
How to get initial reputation on Stack Overflow with the new-user restrictions in place?
5394
Add downvote option to Low Quality Review Queue list of potential actions
82426
How to handle users who don't select answers for their questions?
135838
Meta Stack Exchange should not penalize downvotes