Similar threads v8.5 changes:

Compatible XF 2.x versions 2.3

Similar threads v8.3 changes:

Now honors "View threads by others" permission.

Similar threads v8.2 changes:

Fixed issue with Enhanced search and node view permissions.

Similar threads v8.0 changes:

Added Error log to options page.

Similar threads v7.9 changes:

Removed similar threads results scroll bar, now shows fixed results. If you have a previous version of Similar threads installed, please adjust the Limit setting in the Options page, default should be 5.

Similar threads v7.8 changes:

Now works with MySQL 8.0 and newer.

Similar threads v7.7 changes:

Fixed issue where emoticons in the thread title caused a server error.

Similar threads v7.6 changes:

Added title to similar threads results block.

Similar threads v7.5 changes:

Now works with XF 2.1 and 2.2. Added support for iOS pasting title

Similar threads v7.3 changes:

Updated finder code to be more compatible with other add-ons.