Issue #1931976 follow-up by linclark, effulgentsia: Support deserialization for hal+json (minor nit fixes).

Issue #1888390 by dawehner, damiankloip, tim.plunkett: Change 'human_name()' to 'label' and replace View::getHumanName() with View::label().

Issue #1289336 by JimmyAx, marcingy, rooby, no_commit_credit | janipuni: Fixed D8 test coverage: Calling node_view() for the same node with muliple view modes on the same page does not correctly attach fields.

Issue #1889328 by gielfeldt, gumanist: Fixed Not all objects respect the query option throw_exception.

Issue #1937600 by Berdir, rootatwc | webchick: Determine what services to register in the new Drupal class.

Issue #1950326 by swentel: Fixed Entity displays are not renamed/deleted when a bundle is renamed/deleted.

Issue #1935970 by msonnabaum, dawehner, RobLoach: Convert timer_* to a utility class and convert tests to phpunit.

Issue #1925738 by tim.plunkett: Followup: Convert language's system_config_form() to SystemConfigFormBase.

Issue #1954246 by Wim Leers: Fixed Underlying content visible in the editing area while using PropertyEditor widget that uses padding.

Issue #1898448 by julien, drupalway, podarok, jenlampton, steveoliver, joelpittet, jwilson3, chrisjlee, Cottser | c4rl: Convert search module to Twig.

Issue #1945326 by tim.plunkett: Rename \Drupal\system\Tests\System\SystemConfigFormBase to \Drupal\system\Tests\System\SystemConfigFormTestBase.

A little bit too much...

This reverts commit aab7094c.

Issue #1876964 by dawehner, tim.plunkett: Improve DX when writing style plugins by adding a renderSingle function.

Issue #1953832 by xjm, David_Rothstein: Replace 'target type' on entity reference field settings with something clearer.

Issue #1948884 by vijaycs85, YesCT, Gábor Hojtsy: Create configuration schemas for block and custom_block() modules.