Issue #3054072 by voleger, neclimdul, BR0kEN, arunkumark, Ratan Priya, Spokje, yogeshmpawar, neeravbm, ravi.shankar, longwave, alexpott, catch, Krzysztof Domański: Deprecate \Drupal\Component\Assertion\Handle::register()

Issue #3054060 by alexpott, neeravbm, tstoeckler: Deprecate \Drupal\system\SystemRequirements::phpVersionWithPdoDisallowMultipleStatements() as all supported versions of PHP return TRUE

Issue #3053956 by alexpott, neeravbm, aleevas, voleger, Berdir: Deprecate \Drupal\Component\Utility\Crypt::hashEquals() in favour of PHP's builtin hash_equals()