Per community image quality settings
Schedule a post.
Sort single community
Long press on comment links to preview or copy URL
Cross-posting
Parent comment option
Return to search after opening a result.
Optionally show link-post site URLs in compact display mode
A way to export/import community lists
Support For Large Number of Mutes
Swipe voting is the ONLY thing missing from Boost, something many others have
Allow setting a number of posts for "infinite" scroll, for time management