Issue #2717965 by Yogesh Pawar, pguillard, alexpott, Liam Morland, skylord, oxy86, cilefen, balagan, Anthony Fok: Site name is not UTF-8 encoded in email headers

Issue #2901572 by Jo Fitzgerald, bluccas, mfernea, klausi: Fix 'Drupal.Commenting.PostStatementComment' coding standard

Issue #2572699 by rajeshwari10, andriyun, mfernea, pashupathi nath gajawada, marvin_B8, attiks, andypost, alexpott: Fix 'Drupal.ControlStructures.InlineControlStructure' coding standard

Issue #2901726 by mfernea, gmario, finn.lewis, robertoperuzzo, rachel_norfolk: Fix 'Squiz.Functions.MultiLineFunctionDeclaration' 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 #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2399261 by chx, effulgentsia, stefan.r, crowdcg, pwolanin, alexpott, joelpittet, xjm, mdrummond, genjohnson: Remove SafeMarkup::set and Recheck and Mark Safe the Output of Unicode::truncate() in DbLog

Issue #1833356 by grendzy: CSS files encoded in UTF-8 with BOM break the design when enabling CSS aggregation

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

Issue #70719 by neclimdul, superspring, longwave, kscheirer, InternetDevels: Add Unicode::ucwords() and Unicode::lcfirst() implementation and make use of them in core.

Revert "Issue #2169765 by philipz, Sutharsan, ckrina, c_lehel, LewisNyman: Redesign update.php to be more consistent with the installation process."

This reverts commit 728aad1d.

Issue #2169765 by philipz, Sutharsan, ckrina, c_lehel, LewisNyman: Redesign update.php to be more consistent with the installation process.

Issue #1998466 by dawehner, ParisLiakos: Convert filter_xss_admin() and similar function to an Xss component.

Issue #1938670 by ParisLiakos, Xano, RobLoach, pp, alexpott: Convert unicode.inc to \Drupal\Component\Utility\Unicode.