Issue #2234439 by jhodgdon, cosmicdreams, xjm: Add a section for the plugin system to the API doc landing page.

Issue #2275877 by Mixologic, duellj, Les Lim, Xano, David Strauss: Replace master/slave terminology with primary/replica.

Issue #2089331 by grom358 | thedavidmeister: [meta] Replace calls to check_plain() with Drupal\Component\Utility\String::checkPlain().

Issue #950534 by mparker17, mgifford, Mixologic, jbloomfield, erinclerico, theMusician, wmostrey | zirvap: [policy] Consistently use email instead of e-mail in Drupal.

Issue #2279623 by thedavidmeister: Fixed search_excerpt() should use unicode ellipsis characters instead of "...".

Issue #735154 by jhodgdon, pwolanin: Fixed search_touch_node()/search_mark_for_reindex() should not update if already touched.

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

Issue #1366020 by pwolanin, dawehner, rcaracaus, jhodgdon | tstoeckler: Overhaul SearchQuery; make search redirects use GET query params for keywords.

Issue #1425622 by visabhishek, dealancer: Increase length of 'type' field in search_dataset, search_index tables from 16 to 64.

Issue #2156661 by Jalandhar, jsbalsera, ianthomas_uk, sidharthap, jhodgdon: Search admin menu entry uses "settings" -- UI-text standards violation.

This reverts commit 07f63fe6.

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 #2045921 by juanolalla, Xano, Sutharsan, InternetDevels, ianthomas_uk: Replace all module_invoke() deprecated function calls.

Revert "Issue #2045921 by juanolalla, Xano, Sutharsan, InternetDevels: Replace all module_invoke() deprecated function calls."

This reverts commit 98cdbfec.

Issue #2045921 by juanolalla, Xano, Sutharsan, InternetDevels: Replace all module_invoke() deprecated function calls.

Issue #1926344 by jhodgdon, maggo, mdrummond, alexpott, Cottser, dimboz | jenlampton: Consolidate search-result.html.twig and search-results.html.twig.

Revert "Issue #1926344 by jhodgdon, maggo, mdrummond, Cottser, dimboz | jenlampton: Consolidate search-result.html.twig and search-results.html.twig."

This reverts commit c83ff69e.

Issue #1926344 by jhodgdon, maggo, mdrummond, Cottser, dimboz | jenlampton: Consolidate search-result.html.twig and search-results.html.twig.

Issue #2047633 by pwolanin, dawehner, kim.pepper, Xano, amateescu, tim.plunkett: Move definition of menu links to hook_menu_link_defaults(), decouple key name from path, and make 'parent' explicit.

Revert "Issue #2047633 by dawehner, pwolanin, Xano, amateescu, tim.plunkett: Move definition of menu links to hook_menu_link_defaults(), decouple key name from path, and make 'parent' explicit."

This reverts commit 531fd593.

Issue #2047633 by dawehner, pwolanin, Xano, amateescu, tim.plunkett: Move definition of menu links to hook_menu_link_defaults(), decouple key name from path, and make 'parent' explicit.

Issue #2042807 by tim.plunkett, pwolanin, ianthomas_uk, jhodgdon: Convert search plugins to use a ConfigEntity and a PluginBag.

Issue #916086 by jhodgdon, mcarbone, pwolanin, Albert Volkman: Search_excerpt() doesn't highlight words that are matched via search_simplify().

Issue #1987806 by kim.pepper, disasm, vijaycs85, tim.plunkett: Convert search_view() to a new style controller.

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

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.

Issue #2003482 by pwolanin, jhodgdon, kim.pepper, Nick_vh, tim.plunkett, jibran, Berdir, effulgentsia, alexpott: Convert hook_search_info() to plugin system.