Issue #2089433 by ianthomas_uk, grom358, herom, thedavidmeister, visabhishek, longwave, Sweetchuck: Remove uses of deprecated XSS filter functions.

Issue #2228941 by larowlan, andrei.dincu | Cottser: PHP notice displayed for forum blocks when there are no forum topics.

Issue #2228627 by tim.plunkett: Core/tests/Drupal/Tests/Component/Utility/UrlHelperTest.php is actually UrlTest.

Issue #2232385 by Wim Leers: Cacheable 'Syndicate' block: never cache it, because it's cheaper to always render it.

Issue #2232391 by alexpott: Revert drupal 8 changes made to generate-d7-content.sh and  generate-d6-content.sh.

Issue #2230921 by nod_: Regression: 'Back to site' button forgets last non-admin page after visiting 'block region demo'.

Issue #2227973 by pfrenssen, Berdir: Rename ContentTranslationController to ContentTranslationHandler.

Issue #2203065 by lokapujya, cwells: Adjust assertFormatterRdfa() parameters to allow for more advanced testing.

Issue #2228885 by Sweetchuck: Error message is attached to a non exists element  when table prefix is wrong.

Issue #2159471 by dawehner: Ordering of local tasks is arbitrary for derivative-based tasks of the same weight.

Issue #2100311 by killua99, yannickoo: Allow filtering of modules by arbitrary search strings on the uninstall page.

Issue #2207229 by larowlan, jibran: Attempt to use 'Parent Term' relationship results in broken/missing handler.

Issue #1933636 by sun: PhpStorage\FileStorage tries to write a file using the same name of MTimeProtectedFileStorage's directory name.

Issue #1512424 by Xano, YesCT, RobLoach: Add a LanguageInterface, and property setters/getters to Language class.

Issue #2217783 by mondrake: Remove $extension and $mimeType from Image, use image_type_to_xxx function in the getters instead.

Issue #2154711 followup by by jlbellido: Move entity_get_(form/view)_mode_options() functions to EntityManager and add get(Form/View)ModeOptions() methods.

Issue #2185617 by Wim Leers, voidberg, drifter: Each page cache entry should have a theme cache tag.

Issue #70719 by neclimdul, superspring, longwave, kscheirer, InternetDevels: Add Unicode::ucwords() and Unicode::lcfirst() implementation and make use of them in core.

Issue #1662954 by balis_m, mjonesdinero, kalpaitch, IshaDakota, kerasai, ckrina, BarisW | ZenDoodles: Use less-specific tabledrag selectors.