Issue #2318817 by alimac, martin107: Remove method setId() from core/lib/Drupal/Core/Language/LanguageInterface.
Issue #1976158 by Berdir | msonnabaum: Rename entity storage/list/form/render "controllers" to handlers.
Issue #2318297 by fietserwin: Rotate effect: do not use html entity for 'degree' but its unicode character.
Issue #2212427 by Mixologic, YesCT, Sutharsan, mgriego, icseh., visabhishek, znerol: Use interface instead of class name for language manager where appropriate.
Issue #1510544 by swentel, Bojhan, Gábor Hojtsy, merlinofchaos, Cottser, Wim Leers, plopesc, aspilicious, sannejanssen,  larowlan, tim.plunkett, nod_: Fixed Show previews in front-end theme, able to select different view modes.
Issue #2324353 by chx: Remove MigrateEntityDestinationFieldInterface.
Issue #2318087 by tim.plunkett: Replace ['input'] with FormState::getUserInput().
Issue #2251113 by alexpott, damiankloip, Crell, Wim Leers, dawehner, sun: Use container parameters instead of settings.
Issue #1837388 by tim.plunkett, dawehner, Wim Leers: Provide a ParamConverter than can upcast any entity.
Issue #2309323 by Berdir, tim.plunkett: Allow #submit and #validate to be specified as methods of the form object.
Issue #2309715 by Gábor Hojtsy: Fixed Several views still say they depend on block module but not anymore.
Issue #2279071 by andypost: Fixed Fragile form_id generation for bundlable entity forms.
Issue #2271529 by attiks, alexpott, Lowell, YesCT, Jelle_S | mdrummond: Move breakpoint settings to theme and module *.breakpoints.yml files at root level.
Issue #2314599 by Crell, Cottser, dawehner: Use title/url instead of l() for building breadcrumb.
Issue #2240459 by Gábor Hojtsy, penyaskito | LoMo: Fixed Applying default language fallback rules to interface translation has impressively bad results.
Issue #2325575 by sun: Fixed Theme must not be primed in core.extension and KernelTestBase.
Issue #2326203 by effulgentsia, alexpott: Fixed Config's cached storage should only use one bin.
#26
Use CollectionLinkManager.
Use KernelTestBase