This is the Search API Attachments 1.12 release, only adding one feature.
It adds support for extracting contents of files attached to nodes authored by indexed user
Notable commits since release 1.11:
* 7882d76 Issue #2882107 by drunken monkey, izus: Extracting contents of files attached to nodes authored by indexed user
Compatible with Drupal core 8.0.x-8.4.x
Installation Instructions:
If a new site just install as normal.
If upgrading from an old install, delete the old module files as some files have been removed/renamed etc. (Not required if using Composer/Drush as they do that automatically prior to upgrading any package). Also make sure to run the database updates (drush updb or update.php).
Pretty major re-factor in the underlying code and methodology, however very similar in terms of actual functionality and user interaction.
Primary differences: