Issue #2053153 by tim.plunkett, dawehner, damiankloip, aspilicious: Allow contrib modules to provide plugins on behalf of optional modules.
Issue #2058845 by dawehner, msonnabaum: Pre-load non-admin routes.
Issue #2202611 by damiankloip, pwolanin: MTimeProtectedFastFileStorageTest runs with run-tests.sh, but MTimeProtectedFileStorageTest does not.
Issue #1053648 by mdrummond, lokapujya, Cottser, Jeff Burnz, Les Lim, Gábor Hojtsy: Convert site elements (site name, slogan, site logo) into blocks.
Issue #2208497 by chx: Appoint benjy as new Migrate maintainer.
Issue #2114707 by Berdir, yched, amateescu, effulgentsia, fago: Allow per-bundle overrides of field definitions.
Issue #2175569 by Xano: Add default configuration to FactoryInterface::createInstance().
Issue #2188721 by Cottser, aspilicious: Theme suggestions don't load necessary include files.
Issue #2207907 by chx: Comment stubbing is broken.
Issue #2034975 by kay_v, linclark, krlucas: Test RDFa output in email formatter.
Issue #1778410 by linclark, ashepherd, Stefan Freudenberg, tim.plunkett, kay_v, adorsk: Throw exception when RDF namespaces collide.
Issue #1992954 by lokapujya, sphism, cwells, djevans, Stefan Freudenberg, Gaelan: Trimming of long usernames results in incorrect RDF.
Issue #2194085 by sun, Berdir: Convert File Managed API tests to DrupalUnitTestBase.
Issue #2185583 by longwave, InternetDevels: Allow to select "English" language via mouse click in installer language selection screen.
Issue #2199869 by izus: Statistics help on admin/config/stystem/statistics has broken link.
Issue #2180039 by damiankloip, Berdir: Vocabulary::postSave should not load all field entities.
Issue #2185015 by Berdir, ianthomas_uk, cosmicdreams: Remove SchemaCache and CacheArray.
Issue #2201167 by sidharthap: Comment_views_data_alter() is still using $entity_info.
Issue #2209015 by longwave, awochna: Aggregator Doesn't Show Up In admin/config.
Issue #2193607 by andypost: Fix documentation in ConfigManager.