SA-CORE-2018-006 by alexpott, attilatilman, bkosborne, catch, bonus, Wim Leers, Sam152, Berdir, Damien Tournoud, Dave Reid, Kova101, David_Rothstein, dawehner, dsnopek, samuel.mortenson, stefan.r, tedbow, xjm, timmillwood, pwolanin, njbooher, dyates, effulgentsia, klausi, mlhess, larowlan

Issue #2981652 by ApacheEx, corbacho, drpal, dawehner, xjm, alexpott, lauriii: Format core JavaScript using recently add Prettier

(cherry picked from commit e742590e)

Issue #2764931 by tedbow, tim.plunkett, nod_, drpal, droplet, dawehner, Wim Leers, phenaproxima: Contextual links don't work with 'use-ajax' links

Issue #2551373 by drpal, danlinn, ruthleopold, Berdir, droplet, Wim Leers, prajaankit: contextual.js and quickedit.js should fail gracefully, with useful error messages, when Twig templates forget to print attributes

Issue #2650910 by drpal, Anishnirmal, markdorison, Tom Robert, psend, yannickoo, rachel_norfolk, Wim Leers, droplet: Contextual links button is always rendered even when no links are available (with warm client-side cache)

Issue #2548195 by nod_, JohnAlbin, madhavvyas, sriharsha.uppuluri: Only use single quotes in JavaScript and update .eslintrc

Issue #2383865 by mgifford, pguillard, rpayanm, alexpott, jhodgdon: Spellchecking Drupal - Javascript

Issue #2154475 by tarekdj, neelam.chaudhary, droplet, nod_, lanchez, Poornima3, jamin_melville: Convert position selectors to be compatible with with jQuery native-API selector

Issue #2181527 by nod_, Wim Leers, sqndr: Contextual's toolbar toggle doesn't appear once the client-side cache is filled.

Issue #1913510 by erich_s, jibran, scresante, nod_, mitron: Core Javascript Files Not Using Standard Indentation.

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

Issue #2136507 by Wim Leers: Use client-side cache tags & caching to eliminate 1 HTTP requests/page for rendering Contextual Links.

Issue #2047671 by jessebeach, Wim Leers, nod, xjm: Expanded contextual links look goofy when there are no items.

Issue #2139921 by Wim Leers: Contextual links can't handle multiple occurrences of the same contextual links.

Issue #2058843 by rteijeiro, jessebeach: Be consistent with respect to which strings within JS code should be overriddable via drupalSettings.

Issue #1913036 by jessebeach, Wim Leers: Reorganize contextual module's JS assets into their own subdirectories.

Issue #1363112 by mparker17, mgifford, tlattimore, Jacine, dcmouyard, bowersox, ry5n, ahdiaz: Simplify names of 'element-x' helper classes.

Issue #914382 by Wim Leers, Cottser, Gábor Hojtsy, franz, droplet, sun, Niklas Fiekas, catch, dawehner, effulgentsia: Fixed Contextual links incompatible with render cache.

Issue #1971108 by Wim Leers, jessebeach, nod_: Convert contextual.js to use Backbone (and support dynamic contextual links).

Revert "Issue #1971108 by Wim Leers, jessebeach, nod_: Convert contextual.js to use Backbone (and support dynamic contextual links)."

This reverts commit aad2d4a6 since the canges to edit.module were unintended.

Issue #1971108 by Wim Leers, jessebeach, nod_: Convert contextual.js to use Backbone (and support dynamic contextual links).

Issue #1905340 by plopesc, Wim Leers: Fixed Contextual Links Needs Title to be Included in 'Open configuration options button'.

Issue #1874664 by Wim Leers, jessebeach, tkoleary, Gábor Hojtsy, quicksketch, Bojhan: Reconcile 'Edit' toolbar option with local tasks (tabs) and contextual links for editing.

Issue #1910008 by jessebeach: Fixed When launching the overlay, a contextual menu remains visible when it should become hidden.

Issue #849926 by jessebeach, Jacine, mgifford, casey, Mirabuck: Fixed links wrapped in .contextual-links-wrapper divs are not accessible at all via keyboard alone also problems with screen readers.