• Support tag/username autocomplete using XFES add-ons todo prefix matching on autocomplete

• Fix viewing the index list could be blocked when elasticsearch is configured but inaccessible

• Fix searching by member without a keyword for a guest

2.8.3 - Security update (recommend updating ASAP)

Thanks @NamePros for sponsoring this update

• Fix cached search results would be unexpectedly be viewable to anyone if they guessed the search result URL.
  • Affected versions; v2.8.1
  • These search URLs expire after a day
• Fix search term on search result pages leaking information for non-viewable content
  • Affected version; v2.7.4, v2.7.5 and v2.8.1
  • Fix leaking thread title when using "In thread" search area, and rendering a bad phrase if the thread doesn't exist
  • Fix linking to non-active user profiles when searching by members
• Workaround for an XF bug where the cached search results for a member search could be directly shared with a guest
  • Non-visible items on the result page where not rendered, but this does leak that there are hits in not viewable to guests areas.

• Fix the "Default search order" option would get reset when changing "Search options" under Enhanced Search Setup page

• Fix weight by content type for XF2.2

Re-add "On error, log search DSL" option, default on.

Improve extendibility of weight-by-content-type feature (Allow custom searches to opt-in to content weighting for single type searches)
Improve compatibility with ElasticSearch v7+
Support float-point weight values in weight by content-type
Ensure XFES doesn't swallow the actual error message for a query failing instead of "all shards failed" message (backport for older versions of XFES)

• Improve extendibility of weight-by-content feature

• Allow weight-by-content to be extended.
• Compatibility update when resolving an extended class to the root class
• Require Standard Library by Xon v1.2.0+

A collection of improvements to XF's Enhanced Search and some for XenForo's default MySQL search.

MySQL & Elastic Search features;

• range_query search DSL
  • allows arbitrary range queries for numerical data
• Allow users to select the default search order independent for the forum wide setting.

Elastic Search Only features:

• Per content type weighting
• Adds Elastic Search information to the AdminCP home screen.
• Adds a debug option to log the search DSL queries to error log for troubleshooting
• Option to extend search syntax to permit;
  • + signifies AND operation
  • | signifies OR operation
  • - negates a single token
  • " wraps a number of tokens to signify a phrase for searching
  • * at the end of a term signifies a prefix query
  • ( and ) signify precedence
  • ~N after a word signifies edit distance (fuzziness)
  • ~N after a phrase signifies slop amount
  • In order to search for any of these special characters, they will need to be escaped with \.

Options: