Issue #512026 by Berdir, effulgentsia, sun, marcingy, Eric_A, xjm, katbailey, Damien Tournoud, alexpott, beejeebus, pillarsdotnet: Move () storage from cache to new state/key-value system.

Issue #1764474 by Berdir, chx, alexpott, pounard, msonnabaum: Make Cache interface and backends use the DIC.

Issue #1875086 by Crell, plach, effulgentsia, sun, msonnabaum, Rob Loach, quicksketch, David_Rothstein: Change notice: Improve DX of drupal_container()->get().

Issue #1763640 by beejeebus, alexpott, Jose Reyero, c31ck, das-peter, YesCT, heyrocker, Gábor Hojtsy: Introduce config context to make original config and different overrides accessible.

Issue #1515312 by heyrocker, beejeebus, alexpott, xjm, realityloop, sun: Added snapshots of last loaded config for tracking whether config has changed.

Issue #1496480 by mrf, disasm, kbasarab, pfrenssen, cam8001, typhonius, Letharion, ACF, vijaycs85, heyrocker, Berdir, alexpott: Convert file system settings to the new configuration system.

Issue #1899994 by katbailey, plach, YesCT: Disentangle language initialization from path resolution.

Issue #1811216 by sebsebseb123, mgifford, David_Rothstein, falcon03: Fixed Missing labels for profile and language selectors.

Issue #1889720 by YesCT, alexpott: Fixed drush does not like when Import translations automatically during installation passes () by ref.

Revert "Issue #1887046 by Sutharsan: Convert drupal_http_request() usage in install.core.inc to Guzzle."

This reverts commit bab6874e.

Issue #1885510 by YesCT, aspilicious: Fixed Can't install on some systems (like windows) due to folder permissions (executable check not needed).

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 #1848490 by YesCT, Sutharsan, Gábor Hojtsy, Bojhan: Added Import translations automatically during installation.

Issue #1792536 by chx, Berdir, sun, David_Rothstein: Remove the install backend and stop catching exceptions in the default database cache backend.

Issue #1833516 by Berdir, chx, catch, webchick: Add $settings for low-level configuration - move things out of .

Revert "Revert the revert of Issue #1849004 by chx, xjm: One Service Container To Rule Them All. It was innocent after all."

This reverts commit a1638b87.

This reverts commit 761ac679.

Issue #1571632 by cosmicdreams, marcingy, justafish, chx, KarenS, aspilicious, disasm, swentel, dawehner, rvilar: Convert regional settings to configuration system.

Issue #1168246 by sun, mgifford, Manuel Garcia, mbrett5062, ry5n, Everett Zufelt, nod_, aspilicious, deviantintegral, tim.plunkett: Freedom For Fieldsets! Long Live The DETAILS.

Issue #782672 by sun, David_Rothstein, jhedstrom, franz, Fabianx: Loosen the coupling between the user module and the installer/maintenance theme.

Issue #1816124 by Berdir, Damien Tournoud, David_Rothstein, pwolanin, chx: Fixed installer PHP code execution issues from SA-CORE-2012-003 (and backport anything to 7.x-dev as necessary).