[7.x-1.1] #2444753 - Fixed pass-by-reference. (&$vars that are passed by reference in source theme don't break parser.)
[7.x-1.1] #2446991 - Moved assets to Libraries. (css assets declared in THEME.info are now defined in THEME.libraries.yml)
[7.x-1.2] #2447009 - Commented out (some) Drupal 7 functions that are removed in Drupal 8.
Bugfix release! The most imporant improvement is a performance fix with Search API Solr.
* Issue #1936662 by escuriola, posulliv, srjosh, janusman: Database not scaling well
* Issue #2446661 by janusman: Foldername-suffixed core names not matching under "Automatically switch.." option
* Issue #2389501 by Nick_vh: Issue with older-style core naming and local environments where $_ENV['AH_SITE_NAME'] not set