(cherry picked from commit bd27a538)

(cherry picked from commit f94a4c2e)

Issue #2752533 by mikeker: \Drupal\Component\Utility\Crypt::randomBytesBase64 docblock refers to $byte_count instead of $count

(cherry picked from commit faef09ea)

Drupal 8.1.7 (SA-CORE-2016-003) by alexpott, Michael Dowling, mlhess, xjm, Pere Orga, dawehner, greggles, coltrane, pwolanin, larowlan

Issue #2751923 by mohit_aghera, lhuria94, Jeff Burnz, joelpittet: Incorrect documentation, param and code example for hook_element_info_alter() in theme.inc

(cherry picked from commit 8e04ab6b)

Issue #2311219 by Mile23, a_thakur, vadim.hirbu, undertext, xjm, cilefen, damiankloip, daffie: Remove references to function user_format_name() from documentation

(cherry picked from commit 5250997d)

(cherry picked from commit 31c57605)

(cherry picked from commit 2411a137)

(cherry picked from commit 52cd7e91)

Revert "Issue #2560795 by mikeryan, phenaproxima, penyaskito, willwh, benjy: Source plugins have a hidden dependency on migrate_drupal"

This reverts commit e98b14ac.

Issue #2225775 by vasi, quietone, phenaproxima, chx, penyaskito, mikeryan, esclapes, vprocessor, steinmb, Gábor Hojtsy, Marc Angles, bwinett: Migrate Drupal 6 core node translation to Drupal 8

(cherry picked from commit 1fa26afd)

Issue #2560795 by mikeryan, phenaproxima, penyaskito, willwh, benjy: Source plugins have a hidden dependency on migrate_drupal

(cherry picked from commit 89815ba3)

(cherry picked from commit 05a3cb70)

Issue #2434567 by marcoscano, daffie, dawehner: Create PHPUnit tests for Database::convertDbUrlToConnectionInfo() and Database::getConnectionInfoAsUrl()

(cherry picked from commit b430fe2f)

Issue #2732111 by damiankloip, Lendude, dawehner: Reset button doesn't work and never gets removed on AJAX enabled views

(cherry picked from commit cd248dfb)

Issue #2705809 by juampynr, dawehner, damiankloip, lahoosascoots: Queue garbage collection is not correctly run on cron

(cherry picked from commit 3b6759b82e79a80bb006fb55532397d53f22cb20)

(cherry picked from commit 77bb3d1b)

Issue #2734091 by Sam152: Remove tests specific waitForAjaxToFinish methods, replace with assertSession()->assertWaitOnAjaxRequest

(cherry picked from commit f6eb7575)

(cherry picked from commit e17761e4)

Issue #2595535 by tstoeckler, swentel, vijaycs85, alvar0hurtad0, esolitos: Show helpful message (do not fatal!) when configuration files have different source language codes and cannot be translated

(cherry picked from commit fe94d15d)

(cherry picked from commit 962c9900)

Issue #2568247 by heddn, anavarre, gapple, mstrelan, Cottser, dawehner, joelpittet, alexpott, hoff331: Remove the Twig C extension requirement as it needs to be proven it's still relevant for modern PHP versions

(cherry picked from commit fb8cdd46)

Issue #2762549 by alexpott: Part 2: Array was modified by the user comparison function in ConfigDependencyManager::getDependentEntities()

(cherry picked from commit 2c3d5ecb)

(cherry picked from commit 5c4f93fd)

(cherry picked from commit 46efe012)

Issue #2738891 by martin107, rashid_786, Wim Leers, remydenton: Instructions for adding CKEditor stylesheets are outdated

(cherry picked from commit 4e9ed76c)

Issue #1266748 by swentel, Berdir, jcnventura, arlinsandbulte, yched, droplet, amateescu: Changing cardinality lower than highest existing delta causes data loss upon save

(cherry picked from commit a1b02adf)

(cherry picked from commit eadde8da)

Issue #2675648 by Bès, Haza, dawehner, chx: Code after hook_link_alter() invocation does not use the altered data

Issue #2698811 by danmuzyka, Wim Leers, jhedstrom, Fabianx: BigPipe unnecessarily renders and sends multiple-occurrence placeholders multiple times when using JS — can cause JS errors

(cherry picked from commit 5e86905f)

Issue #2757427 by alexpott, Xano: Array was modified by the user comparison function in ConfigDependencyManager::getDependentEntities()

(cherry picked from commit 3eb2def4)

(cherry picked from commit 9a0f369b)