Fix internal server instead of a 404 error on attempting to touch threadmark actions of a non-existent post
Fix on-thread preview with a threadmark header not respecting the max-height attribute as expected, and remove redundant borders.
Force global namespace for functions which are known to be optimizable to bytecode in php
Set Cache-Controlublic when an rss feed is rendered for a guest
If a threadmark is required in a thread, do not let the last threadmark be deleted for normal users
If threadmark index is required in a thread, do not let it be deleted for a thread for normal users
Change the reader-mode footer the "view content" link to "view discussion" which jumps to just after the content instead of the start of the content
More aggressively wrap a thread's threadmark category list to avoid partial wrapping of the category list which consumes more vertical space than desired
Only inject threadmark index as thread preview if it is visible, even if the user can see non-visible threadmark indexes
For fourms which require a threadmark/threadmark index or embed a threadmark index into threads
Fix unexpected N+1 queries when embedding the threadmark index into thread
Fix using threadmark username for the post username in news feed
Fix incorrect threadmark category rss link generation
If the user can edit/add an icon, add a quick link rather than requiring going through editing the threadmark index
Display watch count and 'recent' reader counts, display is controller by new style properties ("Show watch count" and "Show recent reader count") and recentcy by the new "Recent reader cut-off" option
Add "xf-rebuild:missing-threadmark-index" command to bulk-add threadmark indexes to threads without them in a given forum
Fix "new threadmarks" widget would not select any threadmarks if 'active conversations' and various thread options where selected.
Add "all threads" filter to "new threadmarks" widget, please check widget configuration. When updating widget configuration a thread option must be explicitly selected to include post threadmarks.
Avoid unexpected additional queries on replying to thread