Issue #2355523 by penyaskito: Fixed InstallerTestBase tests should not require sqlite to be installed.
Issue #2355545 by lhangea, alexpott | YesCT: UserInstallTest testUserInstall() custom assert message not more helpful than the default.
Issue #2346931 by G-raph, LewisNyman, zaporylie, jOksanen, webmorozov: Fixed Dropbutton AJAX throbber looks awful.
Issue #2349637 by malcomio | nathanlawson91: Remove border from region header in Bartik.
Issue #2353729 by ultimike: D6->D8 Migration missing variable: user_mail_status_blocked_notify.
Issue #2355179 by legolasbo, er.pushpinderrana: Remove usage of form_get_cache() and form_set_cache().
Issue #2152521 by prashantgoel, LewisNyman, sghoweri, mrjmd, LoMo, JamesLefrère, Manjit.Singh: Fixed User login page looks cramped on mobile.
Issue #2352857 by thamas, tkoleary: Fixed Improve the display of trigger icon (pencil).