Issue #2401919 by icampana, alexpott, jibran, ParisLiakos, Samshel, xavier.cabrera, alejandrovaras: Fix various file permissions to be 644

Issue #2418017 by Wim Leers, YesCT, dawehner, webchick, jibran, amateescu, hussainweb: Implement autocomplete UI for the link widget

Issue #2412579 by idebr, geertvd: Tabledrag applies odd/even classes to tables with striping disabled

Issue #2360175 by zaporylie, gaurav.goyal, droplet, sivaji@knackforge.com, mcdruid, nod_, er.pushpinderrana, brahmjeet789: Change .append(' ') with CSS style in system.admin.css

Issue #2368797 by Wim Leers, dawehner, rteijeiro: Optimize ajaxPageState to keep Drupal 8 sites fast on high-latency networks, prevent CSS/JS aggregation from taking down sites and use HTTP GET for AJAX requests

Issue #2309737 by rpayanm, hussainweb, max-kuzomko, herom, millerbennett, ianthomas_uk, quietone, Sutharsan, sumitmadan, toddmbloom: Remove deprecated format_plural usage

Issue #1995058 by TravisCarden, acbramley, jhedstrom: Tableselect "select all" checkbox should be checked on page load if all checkboxes are ticked

Issue #2207629 by droplet, tarekdj, Devin Carlson, rpayanm: Update matchMedia library to latest release

Issue #2362227 by dawehner, mpdonadio, znerol, tim.plunkett, skipyT: Replace all instances of current_path()

Issue #2333053 by dsnopek, mradcliffe: JavaScript for #type => 'machine_name' registers key presses on 'source' slowly later, when label has spaces, special or international characters in it

This reverts commit 39aeee85.

Issue #2242749 by znerol, torotil, rszrama, larowlan, dawehner, penyaskito, tim.plunkett, sun, Damien Tournoud, David_Rothstein,  effulgentsia: Fixed Port Form API security fix SA-CORE-2014-002 to Drupal 8.

Issue #2274631 by joelpittet, mgifford, droplet, LewisNyman | hass: Fixed Form required marker "\204E" is broken in Google Chrome 35 / Internet Explorer 9.

Issue #1510544 by swentel, Bojhan, Gábor Hojtsy, merlinofchaos, Cottser, Wim Leers, plopesc, aspilicious, sannejanssen,  larowlan, tim.plunkett, nod_: Fixed Show previews in front-end theme, able to select different view modes.

Issue #749748 by Bès, penyaskito, sun, hefox, Dave Reid, mavimo | c960657: Fixed Contact, register and comment forms do not prefill with user info from browser.

Issue #1883058 by cilefen, aendrew: Added Default Drupal drop favicon needs a Retina-quality version.

Issue #2207695 by Manuel Garcia, LewisNyman, pakmanlh, mitsuroseba, Sam152: Expand the throbber API to include a 'full screen' option.

Issue #2309137 by longwave, sqndr | LewisNyman: Remove quotes from all background-image: url() properties.

Issue #2146035 by olli, mondrake: Fixed drupalSettings.path.pathPrefix does not contain the language identifier.