Issue #2004086 by dawehner, pwolanin, katbailey, tim.plunkett, vijaycs85, fabpot: The Request service must be synthetic.

Issue #2129197 by dawehner: Testbot (run-tests.sh with --file) attempts to run non-test classes, fails.

Issue #2114727 by ianthomas_uk: Added Improve error message when using run-tests.sh with Testing module disabled.

Issue #2045931 by PerthSam152, LinL, adsw12, joelpittet: Replace all module_exists() deprecated function calls.

This reverts commit cc84f390 - bad
commit message.

Issue #2097587 by jhodgdon: Follow-up: Add transliteration data maintenance script to scripts directory.

Issue #2038135 by RobLoach, donquixote, Crell, ParisLiakos, catch: Use the Composer autoloader to make everything simpler.

Issue #1856766 by chx, Berdir, heyrocker, kim.pepper: Convert file_public_path() to the new settings system (make it not configurable via UI or YAML).

Issue #1938892 by JohnAlbin, Pancho: Fixed Switch from ISO-3166-1 country data to CLDR unicode data.

Issue #1981342 by aspilicious, andypost, swentel: Drop procedural usage of fields in [s-u-v] modules.

Issue #1888424 by katbailey, steveoliver, twistor, beejeebus, effulgentsia: Change notice: Make Drupal's URL generation logic available to HttpKernel, and minimize code repetition/divergence.

Issue #1957154 by joates, ayelet_Cr, xjm | Berdir: Replace calls to drupal_container()->get('module_handler()') service with Drupal::moduleHandler().

Issue #1999322 by elvis2, alexander.ilivanov | Berdir: Remove node_save() and node_delete()/node_delete_multiple() in favor of $node->save()/$node->delete().

Issue #1991088 by alexpott: Fixed Test info not displayed for PHPUnit tests when using run-tests.sh.

Issue #1818560 by Berdir, fago, Wim Leers, jessebeach, dawehner, YesCT: Convert taxonomy entities to the new Entity Field API.

This reverts commit 13b929b6.

Issue #1068840 by sun, TR, Alan D., droplet, Damien Tournoud, tim.plunkett: Fixed core/includes/standard.inc contains inaccurate country data.

Issue #1825592 follow-up by sun, alexpott: Clean-ups to --repeat and --die-on-fail capabilities in run-tests.sh.

Issue #1825592 by alexpott: Add --repeat and --die-on-fail to run-tests.sh to make random test failure diagnosis easier.

Issue #1331486 by katbailey, chx, sun, beejeebus, amateescu: Move module_invoke_*() and friends to an Extensions class.

Revert "Issue #1331486 by katbailey, chx, sun, beejeebus, amateescu: Move module_invoke_*() and friends to an Extensions class. Broke core tests after commit."

This reverts commit c80c3e18.

Issue #1331486 by katbailey, chx, sun, beejeebus, amateescu: Move module_invoke_*() and friends to an Extensions class.

Issue #347988 by sun, Berdir, dawehner, Damien Tournoud, moshe weitzman: Move $user->data into own table.

Issue #1269742 by katbailey, beejeebus, pwolanin, g.oechsler, ksenzee: Make path lookup code into an pluggable class.

Issue #1808200 by sun: Fixed Unit test performance significantly decreased since system list config conversion.

Issue #1706064 by chx, katbailey, effulgentsia, podarok et al: Compile the Injection Container to disk.

Issue #1705748 by n3or, tim.plunkett, sun, xjm, boombatower: Convert simpletest settings to configuration system.

Issue #1719530 follow-up by sun: SimpleTest hasn't been converted to CMI yet; add a stop-gap rename in conf array.