Issue #2190313 by pfrenssen, Berdir, amateescu, ianthomas_uk: Add $EntityType::load() and loadMultiple() to simplify loading entities.

Issue #2183113 by jhodgdon, effulgentsia, tim.plunkett, herom, larowlan: Update hook_help signature to use route_name instead of path.

Issue #2099131 by jessebeach, Wim Leers, catch, Berdir, benjifisher, martin107, andypost: Use #pre_render pattern for entity render caching.

Issue #2182055 by dawehner, andypost, juampy, linclark: Comment module causes Circular reference error on a REST request.

Issue #2241655 by tim.plunkett: EntityStorageInterface::create() should always create a "new" entity.

Issue #2149649 by Gábor Hojtsy, YesCT, Xano, herom, vijaycs85, Sweetchuck, plach: Entity rendering/theming does not use the active entity language to render links.

Issue #2226903 by pwolanin, dawehner, tvn, martin107, jessebeach: Step 1: Move static menu links to yml files.

Issue #2178725 by pwolanin, crowdcg, effulgentsia, Sutharsan: Make all core menu link machine names and the corresponding route names match.

Issue #2155635 by Berdir, tim.plunkett, dawehner: Allow plugin managers to opt in to cache clear during module install.

Issue #2195915 by larowlan, andypost, jhodgdon: Cannot save text filter config using PostgreSQL if Comment is enabled [blocks installation!].

Issue #2169361 by plopesc: Convert COMMENT_HIDDEN & COMMENT_CLOSED & COMMENT_OPEN  to a constant on the comment field interface.

Issue #2203407 by nod_, sun: Replace #attached library array values with provider-namespaced strings.

Issue #2002134 by fago, yched, amateescu, effulgentsia: Move TypedData metadata introspection from data objects to definition objects.

Issue #2200821 by yched, plopesc, Berdir, claudiu.cristea, swentel: Rename Fieldinterface and FieldInstanceInterface.

Issue #1996238 by sun, nod_, damiankloip, Wim Leers, longwave, alexpott, Xano, mdrummond, Mark Carver, Jeff Burnz, highrockmedia, joelpittet, et al: Replace hook_library_info() by *.libraries.yml file.

Issue #2187735 by ianthomas_uk, Sutharsan, andypost: Add removal information to docblock of all @deprecated functions.

Issue #2095303 by swentel, plopesc, Berdir, claudiu.cristea, yched: Rename 'field_entity' to 'field_config' and 'field_instance' to 'field_instance_config'.

Issue #2173655 by Cottser, xjm, jessebeach, alexpott, rlmumford: Refactor theme() to _theme(); make it a private API to discourage module developers from circumventing the renderable build system.

Issue #2028025 by David Hernández, Berdir, larowlan, ceng, YesCT, a_thakur: Expand CommentInterface to provide methods.

Issue #2141929 by andypost, clemens.tolboom, mgifford: Comment link or form is added to print view mode.

This reverts commit 9d5d0eab.

Issue #893302 by jhodgdon, rayasa: Search ranking based on the factor 'number of comments'  & 'No of Page Views' is broken.