Issue #2020387 by mr.baileys, Andi-D, dawehner, oadaeh, YesCT, Kars-T: Convert 'Active forum topics' block to a View.

Issue #1947880 by chrisjlee, tim.plunkett, Xano, s_leu, Berdir, effulgentsia, penyaskito, dawehner: Replace node_access() with $entity->access().

Issue #2102125 by dawehner, tim.plunkett, neclimdul, pwolanin, YesCT, damiankloip, Tim Bozeman: Big Local Task Conversion.

Issue #2061935 by m1r1k, danylevskyi, joelpittet: Remove calls to deprecated global $user in forum module.

Issue #1953408 by swentel, aspilicious, andypost, yched: Remove ArrayAccess BC layer from field config entities.

Issue #2049207 by dlu, blakehall, janstoeckler, ramlev, Moderate | Cottser: Replace .tpl.php with .html.twig in documentation.

Issue #2002650 by mrsinguyen, chertzog, legolasbo, Erik Erskine, rhm50, sandergo90, grisendo, targoo, janstoeckler, maximpodorov, beowulf1416: Improve maintainability by removing unused local variables.

Issue #1751194 by Cottser, mikl, effulgentsia, benjifisher: Introduce hook_theme_suggestions_HOOK() and hook_theme_suggestions_HOOK_alter().

Issue #731724 by larowlan, andypost, dixon_, tsvenson: Convert comment settings into a field to make them work with CMI and non-node entities.

Issue #2089635 by tim.plunkett, disasm, larowlan: Convert non-test non-form page callbacks to routes and controllers.

Issue #1981368 by tim.plunkett, Crell, webchick: Convert all routes to 'module_name().foo_bar()' naming convention.

This reverts commit e18109e2.

Seems to be causing testbot failures. Rolling back for now.

Issue #1951268 by larowlan, nick_schuch, jibran, dawehner, alexpott, tim.plunkett: Convert /forum and /forum/% to new routing system, remove forum_forum_load(), forum_get_topics(), create new Forum service.

Issue #1497374 by yched, chx, amateescu, plach, Damien Tournoud, fago, swentel: Switch from Field-based storage to Entity-based storage.

Issue #2073197 by larowlan: Fixed Local actions 'add new forum|container' no longer found at admin/stucture/forums.

Issue #1847002 by tim.plunkett, effulgentsia, msonnabaum: Move entity type classes from Drupal$provider\Plugin\Core\Entity to Drupal$provider\Entity.

Issue #2009574 by e2tha_e, adamcowboy, Samvel, jenlampton: Replace theme() with drupal_render() in forum module.

Issue #2022509 by Soul88, StephaneQ, hussainweb, lslinnet, andypost, penyaskito, effulgentsia: Deprecate taxonomy_vocabulary_load_multiple() and taxonomy_term_load_multiple() in favour of entity_load_multiple().

Issue #1951278 by larowlan, tim-e: Create taxonomy term form controller for forum terms (ie not default) and use that for admin/structure/forum/edit/{forum|contain.

Issue #2031305 by jenlampton, thedavidmeister: Remove theme_more_help_link() and replace with a #type link render array.

Issue #1810370 by plach, kfritsche, berdir, alexpott, xjm, chx: Entity Translation API improvements.

Issue #111715 by andypost, swentel, tim.plunkett, sun, Berdir, amateescu, kkaefer, YesCT, dagmar, chx: Convert node/content types into configuration.

Issue #1869600 by linclark, scor, jesse.d: Refactor RDF mappings to be inline with the new Entity Field API.