Issue #3328454 by xjm, Bhanu951, jidrone, smustgrave: Replace most strpos() !== FALSE or === FALSE with str_contains()

Issue #2702233 by Manuel Garcia, dww, jibran, alexpott, dagmar, DuaelFr, gease, YurkinPark, dawehner, Lendude: Add JavaScript tests for Form API #states: required, visible, invisible, expanded, checked, unchecked

Issue #3000068 by andypost, claudiu.cristea, pingwin4eg, Mile23, voleger, johndevman: Deprecate drupal_process_states()

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

Issue #1985406 by jhedstrom, alexpott, Dave Reid, olli: #states not supported for elements in formatter settings being displayed on Views field handler form