Issue #3371005 by omkar.podey, lauriii, hooroomoo, tim.plunkett, Rajeshreeputra, smustgrave, catch, Wim Leers, Utkarsh_33: Toolbar doesn't indicate active menu trail for pages not included in Toolbar

Issue #2866801 by harsha012, joelpittet, BrightBold, droplet, Akshay kashyap, arunkumark, bmx269: Update stylelint rules color-hex-length to be consistent with Drupal's CSS standards

Issue #2542050 by droplet, nod_, dpacassi, Wim Leers, Sam152, andrewmacpherson, tameeshb, jonathanshaw, lokapujya, Daniel Schaefer, Chi, geerlingguy, tarekdj: Toolbar implementation creates super annoying re-rendering

Issue #2031641 by aburrows, lauriii, nlisgo, Pol, redsquid, tuutti, LewisNyman, akalata, agviu, kallehauge, _nolocation, rpayanm, saki007ster, mdrummond, RavindraSingh, brahmjeet789: Change active class to is-active

Issue #2382561 by Sabreena, DickJohnson, aliyakhan, Tom Verhaeghe, emma.maria: In narrow viewports (<320px), the toolbar menu tray should be 100% width

Issue #2422363 by mortendk, joelpittet, davidhernandez: Rewrite the menu CSS components inline with our CSS standards

Issue #2409427 by joelpittet, SteveK, sivaramakrishnan, skippednote, idebr: Toolbar vertical orientation link not expanding to fill the space

Issue #1855066 by Tom Verhaeghe, Wim Leers, benjifisher: In the "menu" toolbar tray, clicking/tapping white space should show the child level

Issue #1963886 by ry5n, jessebeach, dcrocks, Wim Leers: Use HiDPI icons in the toolbar to support scaling on different devices.

Issue #1938044 by hass, jessebeach, Dragan Eror: Fixed Prefix all toolbar classes to prevent theme clashes.

Issue #2015789 by fubhy, echoz, rteijeiro, LewisNyman, penyaskito: Remove language_css_alter() (RTL stylesheets) in favor of HTML 'dir' attribute.

Issue #1137920 by jessebeach, lewisnyman, tkoleary, Bojhan, webchick, benjifisher, nod_, sjbassett, kathryn531, effulgentsia, Everett Zufelt: fixed toolbar on small screen sizes and redesign toolbar for desktop.