Issue #2550641 by damiankloip: Use assert() in Drupal\Core\DependencyInjection\Container::__sleep instead of trigger error

Issue #2539310 by neclimdul, alexpott: BackendCompilerPassTest::testProcess fails when sqlite not installed

Issue #2408371 by dawehner, Fabianx, alexpott, bforchhammer: Proxies of module interfaces don't work

Issue #2432585 by almaudoh, znerol, dawehner, cpj: Improve authentication manager service construction to support custom global service providers

Issue #2291449 by Cottser: Add Twig template inheritance based on the theme registry, enable adding Twig loaders

Issue #2343677 by damiankloip, znerol, Fabianx, pounard: Fixed Stack middleware suffers from incomplete service construction.

This reverts commit 39eb84fc.

Revert "Issue #2343677 by damiankloip, znerol, Fabianx: Fixed Stack middleware suffers from incomplete service construction."

This reverts commit c033857b.

Issue #2343677 by damiankloip, znerol, Fabianx: Fixed Stack middleware suffers from incomplete service construction.

Issue #2302617 by dawehner, chx | Crell: Define a standard mechaism for backend-aware service overrides.

Issue #2284103 by alexpott, fabpot, damiankloip, Xano, Xen, Berdir: Fixed Remove the request from the container.

Issue #697760 by sun: Replace getInfo() in tests with native phpDoc + annotations (following PHPUnit).

Issue #2250239 by dawehner | sun: Remove needless ContainerAware dependency from ParamConverterManager.

Issue #2213319 by sun, dawehner: Create a single Container CompilerPass to collect + add handlers to consumer service definitions.

Issue #2190643 by Berdir, amateescu, Xano, yched: Serializing the container is a very very bad idea, let's prevent it?.

Issue #2004282 by dawehner, smiletrl, amateescu, tim.plunkett: Injected dependencies and serialization hell .