Threadmarks Pro 2.21.1

• Fix error blocking hard-deleting threads which have a threadmark index

• Fix for editing/adding a threadmark via post-editor

• Make Threadmark categories admin nav item respect admin 'mange threadmarks' permission
• Do not spam moderator log when doing a threadmark cache rebuild
• Fix issue around changing the threadmark category on an existing threadmark
• Respect XF1 threadmark URLs which load a particular category
• Fix embedded threadmark list tabs
• Fix error when edit history is disabled and merging posts
• Fix viewing threadmark index history

• Depend on XF 2.0.10, allowing removal of the custom copy of hammer/cropbox.
• Fix non-scrolling linked content tabs getting truncated
• Fix threadmark category selection javascript not loading

• Add 'Include prefix(es) in linked content title' style property
• Add 'Scroll linked content list' style property
• Change: Allow thread starters of a thread to be considered the index owner
• Change: Sorting threads promotes the forum of the first thread to the "container" of the threadmark index
• Fix: linked content could generate broken link to threads without threadmarks
• Fix: Missing phrase on attempting to add content to a threadmark index that isn't allowed
• Fix: "can add linked contents" permission check was lax existing threadmark index

• If using Word Count Search, require Word Count Search to 2.1.10+
  • Update Word Count Search first before this add-on.
• Style property controlling auto-collapsing of threadmark/author list for embedded views
• Style property controlling if a thread with linked content always shows the linked content-bar on every page
• Links to linked content now go directly to the content when viewing from a thread
• Support a threadmark index on a thread without any threadmarks
• Add what's new threadmarks tab
• Allow a content with a soft-deleted threadmark index to be linked to by an active threadmark index
• Rework threadmark list view to better handle responsiveness
• Fix: Threadmark index overlay doesn't auto-close
• Fix: Editing a threadmark in a post doesn't reload the threadmark
• Fix: A soft-deleted threadmark is always injected into a post editing dialog if the user can see deleted threadmarks.

Big thanks to @The Dark Wizard for the help testing this

• Fix: A XSS vulnerability with handling threadmark container (ie thread) titles

• Fix error when editing posts

• XF1 upgrade now support pre-staging threadmark table changes
• Support force-adding a threadmark to a post on posting/replying/editing, enables other add-ons to auto threadmarking posts on various conditions.

• Compatibility bugfix for XF2.0.10 when editing the first post with threadmark changes