Issue #2168011 by xjm, jessebeach, Damien Tournoud, znerol, Xano: Remove all 7.x to 8.x update hooks and disallow updates from the previous major version.
Issue #2177703 by webflo: Fix link attribute structure.
Issue #1928752 by mtift, jenlampton: Put all test modules into the 'testing' Fieldset on the modules page (file module).
Issue #2104727 by wesleydv, Sam152: Move controller class out  of route folder in toolbar module.
Issue #2162729 by TravisCarden, Xano, InternetDevels: "Sub-class must implement the getInfo method" not a helpful exception message.
Issue #2170979 by yched: Remove the getValue() / setValue() dance in WidgetBase::sortItems().
Issue #2175785 by yched, InternetDevels: Rename ShortcutPath to ShortcutPathItem.
Issue #1069152 by droplet, alexandrezia, jhedstrom | ogi: Throbber in textfield is misaligned when browser hardware acceleration enabled (gfx).
Issue #2049573 by pcambra, damiankloip, tim.plunkett, dawehner: Move most or all of the ActionBulkForm class to BulkFormBase.
Issue #2181625 by damiankloip: Use constructor injection in hal normalizer services.
Issue #1959574 by dawehner, mkadin, Wim Leers, jessebeach: Remove the deprecated Drupal 7 Ajax API.
Issue #2184951 by not_chx: Allow plugins to declare themselves a derivative.
Issue #2110501 by tim.plunkett, pwolanin, tstoeckler: ControllerBase should implement ContainerInjectionInterface like FormBase.
Issue #675446 by droplet: Regressions: Use jQuery UI Autocomplete.
Issue #2182265 by Sweetchuck, nod_: Javascript file translations are several bugs away from working at all.
Issue #2176721 by maartendeblock, nod_: 'Back to site' button does not preserve URL's language prefix and querystring.
Issue #2186557 by andypost: DatabaseBackend::garbageCollection() should use injected database.
Issue #2025779 by Berdir, ianthomas_uk: Remove ModuleInfo as it is no longer necessary.
Issue #2078387 by Xano, andypost, twistor, splatio, InternetDevels, amateescu, Berdir, larowlan, vladan.me: Add an EntityOwnerInterface.
Issue #2166195 by dawehner, Crell: Split HtmlPageRenderer in twain.