Some of these have already been implemented, such as the removal of XP Efficiency.
Some of these are being planned and to some extent worked on, such as dark mode.
In the future if you are concerned about making a necropost, you can always just ask a staff member on the Discord!
Edit: Changed wording a lil bit to clarify what I meant. Contacting staff on Discord is an option you CAN make if you are concerned about something like a necropost.