Issue #1027936 by webflo, nicholasThompson: Comment Preprocess sets a links class as a string, should be an array.

Issue #2167169 by pwolanin, tim.plunkett: Clean up Drupal\edit\EditController: remove ContainerAware and inject form_builder.

Revert "Issue #1226044 by pgrond, martin107, roborn, rbayliss: The password_confirm element should not be aware of the user_form_process_password_confirm process."

This reverts commit dc2e4720.

Issue #1979468 by Wim Leers, pwolanin, nod_, thedavidmeister, larowlan: .active from linkGenerator(), l() and theme_links() forces an upper limit of per-page caching for all content containing links.

Issue #2162013 by alexpott, Berdir, sun, pwolanin: Critical performance regression due to config schema + TypedData lookups in installer.

Issue #1898444 by jenlampton, Cottser, lbainbridge, duellj, joelpittet, scor: Rdf.module - Convert theme_ functions to Twig.

Issue #1815504 by pwolanin, Kevin Hankens: File_save_upload() should not alter the file URI string before validation.

Issue #2160581 by vijaycs85, Wim Leers: Remove drupal_add_js() + drupal_add_library() from install.core.inc.

Issue #2145881 by damiankloip, alexpott: Remove string casting from Crypt::hmacBase64(). Throw exceptions instead.

Issue #1226044 by pgrond, martin107, roborn, rbayliss: The password_confirm element should not be aware of the user_form_process_password_confirm process.

Issue #2133325 by mtift, alexpott, sun: Create a site UUID on install and only allow config sync between sites with the same UUID.

Issue #2154955 by bdone, chx, cosmicdreams, jacintocapote, jessehs, jibran, marvil07, mpgeek: Migrate variables to config

Issue #2142979 by Gábor Hojtsy, LinL, k4v, plach: Entity label langcode argument is a lie, incompatible with current API.

Issue #2125497 by yched, Sweetchuck, areke: Field translation test is still use the old field_name property.

Issue #641734 by echoz, LewisNyman, davidtrainer, Cottser, falkendk, rteijeiro: Separate generic html elements' style into seven.base.css.