Issue #2254197 by sun: Fix test performance of Drupal\search\Tests\SearchCommentTest.
Issue #2254211 by sun: Fix test performance of Drupal\taxonomy\Tests\LegacyTest.
Issue #2226501 by drunken monkey: Add execute() to the SelectInterface.
Issue #2226933 by mandar.harkare, mortendk: Remove odd, even, first & last classes from views-view-unformatted.html.twig.
Issue #2257421 by Wim Leers, effulgentsia: Convert CommentDefaultFormatterCacheTagsTest from web test to entity unit test.
Issue #2257757 by martin107: \Drupal::isConfigSyncing should be marked as static.
Issue #2261459 by tim.plunkett: Expand deprecated comment for system_rebuild_theme_data