Issue #2605284 by mondrake, david_garcia, GoZ, Jo Fitzgerald, alexpott, Pradnya Pingat, daffie, dawehner, amateescu, David Strauss, larowlan: Testing framework does not work with contributed database drivers

Issue #2901730 by mfernea, ankitjain28may, idebr: Fix 'Squiz.WhiteSpace.FunctionSpacing' coding standard

Issue #2901562 by mfernea, Jo Fitzgerald, Yogesh Pawar, 3ssom, Mile23, borisson_: Fix 'Squiz.WhiteSpace.SuperfluousWhitespace' coding standard

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

Issue #1565972 by mradcliffe, bzrudi71, pjohans, c960657, daffie, tim.plunkett: Remove static caching of array in mapConditionOperator()

Issue #728702 by Crell, daffie, pillarsdotnet, pjcdawkins, Damien Tournoud, David_Rothstein, reglogge, amateescu, tim.plunkett, tstoeckler, xjm, hussainweb, alexpott, cweagans, Tor Arne Thune, catch: Visiting index.php should redirect to install.php if settings.php already has database credentials but database is empty

Issue #2706753 by Mile23: Fix 'PSR2.Classes.PropertyDeclaration.ScopeMissing/VarUsed' coding standard

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

Issue #2594845 by er.manojsharma, tarekdj, snehi, dpopdan, anil280988, jhodgdon, cilefen: Many database driver classes have no class doc blocks

Issue #1713332 by amateescu, Xen, droplet, bzrudi71, znerol, czigor, pp, wulff, Damien Tournoud: The SQLite database driver fails to drop simpletest tables

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

Issue #2504417 followup by dawehner, daffie: Fix Drupal\Tests\migrate\Unit\MigrateSqlIdMapTest::testGetQualifiedMapTablePrefix()

Issue #1897058 by disasm, rteijeiro: Replace "boolean" with "bool" when used as param/return/var type

Issue #2454733 followup by amateescu: Add a user-space case-insensitive collation to the SQLite driver

Issue #2428695 by amateescu, daffie: SQLite date handling is wrongly implemented and arguments handling needs override

Issue #1868972 by jweowu: db_query_temporary() fails to create a table when the SQL has leading whitespace.

Issue #2167507 by andypost, chx, sun, dcrocks: Fix rowCount query usage in pgsql and sqlite drivers.

Issue #1614186 by RobLoach, tim.plunkett, msonnabaum, Crell, jhodgdon, Niklas Fiekas: Update coding standards for using 'native' PHP classes like stdClass in namespaced code.

Issue #2060819 by legolasbo: Remove Unused local variable  from /core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php.

Issue #2010322 by Damien Tournoud, dcrocks, amateescu: SQLite follow up to #1953800 'Make the database connection serializable'.

Issue #203955 by pdrake, webchick, andrewsl, iflista: Create database at installation time if the db user has appropriate permissions.

Issue #1171866 by sun: Fixed Enforced fetching of fields/columns in lowercase breaks third-party integration.