• Respect thread locked state when adding/editing/deleting threadmarks
• Surface some threadmark info as data attributes on threadmark index

• Include Like count when fetching threadmarks, useful for theming on a thread's index page
• Elasticsearch v6 single-type support is complex so move it into https://www.null-scripts.net/resources/enhanced-search-improvements.606

• Do not special case touch for on-hover events in js
• Rework threadmarks menu to play nicer with touch
• Allow per-thread threadmark category cache to be injected with additional information
• Add statistics block to threadmarks index with option to disable it.

• Fix issue where moving a nested threadmark to a new category results in that thread's threadmark ordering for that category being uneditable.

• Threadmark types, allows categorizing distinct from the main threadmark list.
• Permissions on threadmark categories define who can create a threadmark on a given category.
• Categories are admin defined.
• A post can only have 1 threadmark.

• Improve robustness of installer
• Improve ElasticSearch extension code.

• Add threadmarks from quick reply/reply
• Implement require extendability for Word Count support
• Expose threadmark cache rebuild to the rebuild cache page
• Reduce data fetching on threads with no threadmarks
• Fix displaying post user avatar on threadmark preview.
• Update jsTree library