ElasticSearch Essentials 3.17.10

This is a XenForo 2.2 and 2.1 compatible release, and due to the unexpected time taken an extra 4 months have been added to existing license holders

• Require php 7.0+
• Now depends on Standard Library by Xon
• Now depends on Browser detection
• If installed, require Redis View Counters v2.1.0+
• Fix incorrectly displaying deleted results that where deleted after the search was started and "Enable suggestions only for the first page of search results" is true
• Fix setting the option "Content types to autocomplete" to empty
• Fix "Weight by X" features not working for ElasticSearch v6+
• Fix setting the option "Content types to autocomplete" to empty
• Auto-complete now respects "Enable accent removal and character simplification" option
• Support custom queries querying against ngram-based title field in addition to title/body
• Only index auto-complete field if that content type is configured for it, this can space in the elasticsearch index
• Extend Enhanced Search Setup page with relevant options
• Add "Push specific content type permission checks into general search" option to work-around unexpectedly expensive php permission checks
• Add support for "Weight by reply count (threads)"
• Add option "Apply ngram filter at search time" to support tuning the ngram auto-complete filter
• Add "Minimum clauses that should match" option, exposing more of Simple query string query | Elasticsearch Reference [7.10] | Elastic configuration options
• Add "Title boost" option, exposing more of Simple query string query | Elasticsearch Reference [7.10] | Elastic configuration options
• Fix double-encoding of cache values, which is surprisingly expensive
• Move options for similar threads list on thread view into Widget system, with option to suppress XFES 2.2's implementation.

• Fix user change log showing raw column names added by this add-on
• php 7.4 compatibility fix in mobile detection code

• Fix autocomplete link to AMS article

• Fix auto-complete not respecting the search spesiifity's content-type restriction (ie this <container>, this <type>, vs everywhere)
• Add "Show similar content to bots" option
• Add "older than" to date-range search, with a style property to revert to previous UI
• Add search auto-complete for @Bob's AMS and XFRM
• Add support for CLI command xf-rebuild:search-bulk's "--newest-first" for @Bob's AMS and XFRM

Post install requirements;

• Re-index XFRM & AMS content
• Update the "Content types to autocomplete" option to include "Resource" and "Article Item" as required

• Disable various "Cutoff frequency" options when run against ElasticSearch +7, as the underlying option is deprecated with claims it isn't needed any more

• Correct description for template modification that is expected to fail
• Tweak js compatibility
• Newer PixelExit style support

• Fix XF2.1.8 support for member search accepting thread/post search criteria (ie limit forums)
• Fix regression to default Xenforo behaviour in general search where user restrictions where not consistently pushed into the search layer

• MySQL compatibility tweaks for bulk-search indexer
• Add Similar thread feature for quick thread create
• Add a search widget with auto-complete support
• Allow member search to accept thread/post search criteria (ie limit to forums, prefixes, etc)
• Autocomplete changes
  • Rework autocomplete javascript again
  • Fix Pixel Exit style compatibility with "search location" style property
  • Remove front-end highlighting as it gives useless results for partial matches

• Fix compatibility with UI.X mobile view & autocomplete

• Improve extending XF js to be better compatible with other add-ons