Issue #3240601 by alexpott, daffie, daniel.bosen: The standard logic we use in ::ensureTableExists() is wrong

Issue #2937858 by SherFengChong, Saviktor, longwave, jhodgdon, catch: Fix 'Drupal.Commenting.DocCommentAlignment' coding standard

Issue #2664322 by benjifisher, dawehner, daffie, almaudoh, mradcliffe, catch, quietone, alexpott, larowlan: key_value table is only used by a core service but it depends on system install

Issue #3152415 by Lal_, rik-dev, Matroskeen, daffie: Bracket-encapsulated field names for static queries in core/lib/Drupal/Core

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Revert "Issue #2664322 by dawehner, benjifisher, almaudoh: key_value table is only used by a core service but it depends on system install"

This reverts commit 5571193f.

Issue #2664322 by dawehner, benjifisher, almaudoh: key_value table is only used by a core service but it depends on system install

Issue #2719695 by alexpott, Mile23: Fix 'Drupal.Classes.ClassDeclaration.CloseBraceAfterBody' coding standard

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2502621 by Pravin Ajaaz, hussainweb, Peacog, jhodgdon, ivanjaros: Replace implement notes with inheritdoc tag

Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #2463321 by amateescu: Serializing the database connection is dangerous and error-prone, make it unserializable again

Issue #2358079 by pwolanin, Berdir: Require a specific placeholder format in db_query() in order to trigger argument expansion, and require explicit 'IN' parameter for conditions

Issue #1547008 by Berdir, Sutharsan: Replace Update's cache system with the (expirable) key value store.

Issue #1642062 by tim.plunkett, xjm, chx, merlinofchaos, damiankloip, dawehner, Berdir, aspilicious, Fabianx: Add TempStore for persistent, limited-term storage of non-cache data.

Issue #1175054 by msonnabaum, chx, sun, tim.plunkett, arlinsandbulte, beejeebus: Add a storage (API) for persistent non-configuration state.