Issue #2489672 by pwolanin, mpdonadio, zniki.ru, bzrudi71, Crell: Limit all DB drivers to executing single statements by checking for delimiter

Issue #2492967 by dawehner, cilefen, greggles, larowlan, hussainweb, chx, bircher, mr.baileys, webchick, Berdir, Fabianx, catch, pwolanin, Crell: SQL layer: $match_operator is vulnerable to injection attack

Issue #2561129 by plach, alexpott, catch: Composite indexes are not correctly deleted/re-created when updating a field storage definition

Issue #2554229 by stefan.r, csabot3, Crell, pwolanin, YesCT, ircmaxell, greggles, larowlan, webchick: Port SQL Injection - Database API fixes from SA-CORE-2015-003 to Drupal 8

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

Issue #2463419 by Mile23, rpayanm, hussainweb: Clean-up Test members in core/tests - ensure property definition and use of camelCase naming convention

Issue #1600670 by mradcliffe, bendiy, bzrudi71, andypost, daffie, stefan.r, devpreview: Cannot query Postgres database that has column names with capital letters

Issue #697760 by sun: Replace getInfo() in tests with native phpDoc + annotations (following PHPUnit).

Issue #2081153 by YesCT, lauriii, rdatar, miraj9093, Enxebre, smiro, alexpott: Remove unused local variables from core/tests.

Issue #2096595 by neclimdul, damiankloip, tim.plunkett, Mile23, ParisLiakos: Make all PHPUnit tests pass with --strict.