Issue #1924368 by JohnAlbin, ykhadilkar, carwin: Change notice: Rename old CSS constants to CSS_AGGREGATE_* and add new CSS weight constants.

Issue #1847084 by jessebeach, trawekp, LewisNyman, nod_, tarekdj: Fixed Vertical toolbar doesn't work with overlay (measure/track displacing elements better + provide change events for them).

Issue #1864066 by sun, andypost, tim.plunkett: Simplify hook_menu_local_tasks() and MENU_DEFAULT_LOCAL_TASK usage.

Issue #1838156 by ry5n, swentel, sannejanssen: Implement the two-column layout for the new create content page.

Issue #1838114 follow-up by swentel, sun: Move styling to an alter hook off of Seven theme + other clean-ups.

Issue #1751606 by swentel, ry5n, mrfelton, nod_, sun, sannejanssen: Move published status checkbox next to 'Save'.

Issue #575298 by sun, tim.plunkett, Rob Loach, KrisBulman, Jacine, danillonunes: Provide non-PHP way to reliably override CSS.

Issue #1804702 by Sutharsan, balintk, YesCT, Jose Reyero, Gábor Hojtsy: Display interface translation status.

Issue #1167350 follow-up by ry5n, dead_arm: Slightly modify colour on action links to make it WCAG AA accessible.

Issue #1168246 by sun, mgifford, Manuel Garcia, mbrett5062, ry5n, Everett Zufelt, nod_, aspilicious, deviantintegral, tim.plunkett: Freedom For Fieldsets! Long Live The DETAILS.

Issue #1238484 by mrfelton, ry5n, aspilicious, Bojhan, Xano, nod_, rootatwc, effulgentsia, chx, sun: Ability to mark the form buttons to be of a specific type (so that they can be styled differently).

Issue #1790280 by nod_, Bojhan, Wim Leers, danillonunes, deviantintegral, Kiphaas7, benjifisher, sun, yoroy, Everett Zufelt, jenlampton, aspilicious: Module page redesign 2.0.

Issue #1806022 by dead_arm, mgifford, ramkumarr, dcmouyard, Bojhan, tim.plunkett: Fixed Views' text color does not have sufficient contrast.

Issue #1488962 by mcjim, lewisnyman, Fr0s7, jtwalters, JohnAlbin, edward_or, chellman: Increase touch target size of admin menu lists.

Issue #1826574 by dawehner, dead_arm, tim.plunkett: Move Views theme-specific CSS to their respective themes.