Issue #838992 by alexpott, Charlie ChX Negyesi, daffie, Damien Tournoud, sun, quietone, longwave: Change the uid field from integer to serial by leveraging NO_AUTO_VALUE_ON_ZERO on MySQL

Issue #2347783 by kim.pepper, andypost, almaudoh, gumanist, aleevas, rodrigoaguilera, Berdir, saurabh-2k17, Spokje, dhirendra.mishra, alexpott, paulocs, izus, Wim Leers, KapilV, naveenvalecha, anmolgoyal74, subson, yo30, harsha012, mrinalini9, daffie, voleger, dww, fietserwin, tim.plunkett, joachim, larowlan: Deprecate drupal_get_path() and drupal_get_filename() and replace with ExtensionList::getPath() and ExtensionList::getPathname()

Issue #2124069 by voleger, andypost, martin107, damiankloip, cburschka, dawehner, kim.pepper, daffie, pcambra, ParisLiakos, Xano, longwave, MerryHamster, vacho, kostyashupenko, catch, alexpott, amateescu, Mile23, claudiu.cristea, larowlan, almaudoh, Berdir, zviryatko: Convert schema.inc to the update.update_hook_registry service (UpdateHookRegistry)

Issue #3183673 by jonathan1055, longwave: Fix 'Drupal.Commenting.DocComment.ShortFullStop' coding standard - part 1 auto-fixes

Issue #2824935 by idebr, mfernea, Deepak Goyal, pfrenssen, longwave, hgunicamp, jofitz, andypost, daffie: Fix Squiz.ControlStructures.SwitchDeclaration coding standard

Issue #3098475 by Berdir, catch, TravisCarden, xjm, benjifisher, alexpott, larowlan, webchick, dww: Add more strict checking of hook_update_last_removed() and better explanation

Issue #3098475 by Berdir, catch, TravisCarden, xjm, benjifisher, alexpott, larowlan, dww: Add more strict checking of hook_update_last_removed() and better explanation