[x] ~Hidden Answers~ - this is not necessary, since sorting is controlled by user preferences.
[x] Hidden Comments
[x] Dark and Light Theme posts (This is not relevant - showing a list of communities, so this will be addressed automatically since dark theme is only available in stack overflow right now)
[x] ~Posts with both an Authored answer & Upvoted answer~ - NOT Necessary
Check the API to see if you can extract any useful posts for each scenario based on User ID. For Example
Post that has:
Dark and Light Theme posts(This is not relevant - showing a list of communities, so this will be addressed automatically since dark theme is only available in stack overflow right now)