Issue #2529514 by dawehner, Fabianx, Wim Leers: Replace system.filter::protocols with container parameters

Issue #2539300 by cilefen, tim.plunkett: Remove SafeMarkup::set in \Drupal\Tests\Core\Form\FormCacheTest::testSetCacheWithSafeStrings()

Issue #2537600 by DuaelFr: An empty path on search pages settings leads to an infinit redirection loop

Issue #972528 by mkalkbrenner, harijari, ryanissamson, mikeytown2, haripalrao, kasperg: dblog fails to log MAX_ALLOWED_PACKET errors because they're longer than MAX_ALLOWED_PACKET

Issue #2507727 by mikeker, olli: Adding an "All taxonomy terms" field results in "Invalid parameter number" error

Issue #2342521 by JacobSanford, ecrown, dylanf, martin107, bburg, donquixote, dcmul, jhodgdon, Crell, pcorbett: Docblock fixes for core/lib/Drupal/Core/Database/Connection.php

Issue #2528178 by dawehner, amateescu, larowlan, tim.plunkett, jibran, catch, jhodgdon, effulgentsia, Berdir: Provide an upgrade path for blocks context IDs #2354889 (context manager)

Issue #2426967 by mortendk, BarisW, joelpittet, akalata, jwilson3, Manjit.Singh, joginderpc, rteijeiro, mgifford, LewisNyman, Manuel Garcia, markconroy: Feed icon should be a CSS background image not a image file

Issue #2489578 by Manjit.Singh, saki007ster, pjbaert, Cottser, jhodgdon, epophoto: Move search.theme.css to classy

Issue #2497693 by marvin_B8, joshi.rohit100, borisson_, Crell: Add PSR-7 to Symfony Response View listener

Issue #2475231 by jcnventura, mgifford, xjm: Content translation header in content type edit form is not styled correctly

Issue #2501183 by borisson_, dileepmaurya, Gábor Hojtsy, Berdir: LocaleLookup cache ID is using numeric indexes of the roles field, not role ID's

Issue #2532970 by Xano, tim.plunkett, jhodgdon: PluginFormInterface must document $form means the plugin's own elements

Issue #2535192 by chx, dawehner, jhodgdon: Security: LoggerChannelInterface doxygen needs a little love

Issue #2465751 by andypost, JeroenT, RavindraSingh, tim.plunkett, Berdir: Remove config_test_load() and replace with entity_load

Issue #2512062 by dsnopek, tim.plunkett, Wim Leers: VariantInterface extends ConfigurablePluginInterface so PageDisplayVariantSelectionEvent should allow passing configuration to the Variant (to enable Panels Everywhere)

Issue #2533768 by Wim Leers, lauriii: Add the user entity cache tag to user.* cache contexts that need it

Issue #2056089 by BarisW, TR, mgifford, rodvolpe, Dom., nambisolo, nod_, katewelling, Manjit.Singh, jhodgdon, Bojhan, Wim Leers: UI problems on the Modules/Extend page

Issue #2489830 by cilefen, davidhernandez, dcmul, Adam Clarey, joshi.rohit100, rpayanm, sqndr, Cottser, lauriii: Improve theme compatibility error message

Issue #2430397 by Wim Leers, Fabianx: When mapping cache contexts to cache keys, include the cache context ID for easier debugging

Issue #2513094 by hchonov, pfrenssen, mkalkbrenner, yched, Berdir: ContentEntityBase::getTranslatedField and ContentEntityBase::__clone break field reference to parent entity