Issue #2504849 by Berdir, catch, alexpott: User::getAnonymousUser() takes 13ms due to ContentEntityBase::setDefaultLangcode() (cherry picked from commit 05705fc9)
Issue #2608408 by nlisgo, dagmar, aleevas, neclimdul, BR0kEN, gaydabura, pfrenssen, zuuperman: Call to a member function getPath() when installing Profiles with unknown modules as requirement (cherry picked from commit c5c1cdf6)
(cherry picked from commit 22e8b2eb)
(cherry picked from commit ce4e04f0)
Issue #2794089 by Wim Leers, yobottehg, slashrsm: SessionManager::destroy() is incompatible with streamed responses: tries to send response header after headers have already been sent, causing watchdog to fill up with PHP warnings
Issue #2811519 by tim.plunkett, dbourrion, cilefen, futurmat: Blocks do not appear after being placed with the Rules module enabled (or other missing schemata for Condition plugins) (cherry picked from commit 6489345f)
Revert "Issue #2811519 by tim.plunkett, dbourrion, cilefen, futurmat: Blocks do not appear after being placed with the Rules module enabled (or other missing schemata for Condition plugins)" This reverts commit da907cac.
Issue #2811519 by tim.plunkett, dbourrion, cilefen, futurmat: Blocks do not appear after being placed with the Rules module enabled (or other missing schemata for Condition plugins) (cherry picked from commit ed3202c3)
Issue #2795845 by effulgentsia, xjm, dawehner, cilefen, alexpott, timmillwood, Gábor Hojtsy, Wim Leers, chx, Cottser, catch, vaplas: Add changelog for Drupal 8.2.0 (cherry picked from commit 380e763f)
(cherry picked from commit 88ba3b96)
Issue #2783079 by david_garcia, alexpott: DRUPAL-SA-CORE-2016-003 Completely broke IIS drupal deployments (cherry picked from commit fe1eb450)
Revert "Issue #2662844 by penyaskito, dawehner, catch: cache.backend.chainedfast misbehaves in some situations" This reverts commit 4eb87a26.
(cherry picked from commit 4a53d2f4)
(cherry picked from commit 98e6f462)
Issue #2485385 by phenaproxima, quietone, alexpott, mikeryan, Berdir, blazey, xjm, hussainweb, catch, heddn, benjy: Move highwater field support to the source plugin, and do not expose its internals on MigrationInterface (cherry picked from commit 4259a06c)
(cherry picked from commit 3b80c5a5)
Issue #2706405 by heddn, edysmp, davidparedes21, mikeryan, phenaproxima: File migrations *always* copy in files, even if the files were off-line copied to destination (cherry picked from commit cb9b01246be2624188a2b0dd7e3e816220d766be)
(cherry picked from commit c8025066)
(cherry picked from commit e014859c)
(cherry picked from commit 3d7c5304)
Issue #2804675 by alexpott, hideaway: Tests using TestDatabase class are stuck in an infinite loop in Windows (8.2.0-rc2 only) (cherry picked from commit 0972996e8ceabfbf8f849e500d47babbf381dc1a)
Issue #2567715 by marthinal, hgoto, jpd4nt, mr.baileys, Wim Leers, alexpott: #markup generated by #pre_render callbacks do not get processed by ensureMarkupIsSafe() (cherry picked from commit 397b680a)