Issue #2560783 by stefan.r, joelpittet, lauriii, Cottser, Sutharsan, kgoel, justAChris, Gábor Hojtsy, dawehner, jhodgdon, effulgentsia, xjm, andypost, googletorp: Replace !placeholder with :placeholder for URLs in hook_help() implementations

Issue #2491155 by mikeburrelljr, Mac_Weber, opdavies: Update drupal.org and kernel.org URLs in core modules (Follow-up to 2489912)

Issue #2473105 by ifrik, jhodgdon, lostkangaroo, opratr, LinL: Update hook_help texts that link to modules that can be uninstalled

Issue #2471557 by Reno Greenleaf, boris sondagh, joshi.rohit100, JinX-Be, ifrik, jhodgdon: Update hook_help text for Text module

Issue #2358529 by Tom Verhaeghe, Wim Leers, brylie, brahmjeet789, effulgentsia: Right-aligned images in CKEditor appear to the right of other fields

Issue #2313757 by Berdir, Wim Leers, dawehner: Remove text_processing option from text fields, expose existing string field types as plain text in UI.

Issue #2183113 by jhodgdon, effulgentsia, tim.plunkett, herom, larowlan: Update hook_help signature to use route_name instead of path.

Issue #1996238 by sun, nod_, damiankloip, Wim Leers, longwave, alexpott, Xano, mdrummond, Mark Carver, Jeff Burnz, highrockmedia, joelpittet, et al: Replace hook_library_info() by *.libraries.yml file.

Issue #1203886 by catch, sun, David_Rothstein, RobLoach, tim.plunkett, greggles, alexpott, DamienMcKenna: Remove the PHP module from Drupal core

Issue #2026339 by Berdir, yched: Remove text_sanitize() since we have TextProcessed as an EntityNG computed property.

Issue #1969728 by yched, effulgentsia, swentel, fago, plach: Implement Field API 'field types' as TypedData Plugins.

Issue #1950632 by effulgentsia, Wim Leers, amateescu, yched: Create a FieldDefinitionInterface, decoupled from  and  config entities, and use it for formatters and widgets.

Issue #1152216 by sun, jhedstrom: Fixed (Long) text field (textarea) with 'Default' formatter does not retain newlines.

Issue #1888744 by nick_schuch: Fixed text.module missing text_library_info() - does not explicitly declare js dependencies.

Issue #1874300 by Berdir, swentel: Remove $entity_type argument from field.module functions that receive a single $entity.

Issue #1696640 by fago, effulgentsia, tim.plunkett, dixon_, plach: Add a uniform Entity Property API.

Issue #1785256 by yched, Stalski, zuuperman, sun, tstoeckler, aspilicious, EclipseGc, larowlan: Widgets as Plugins.

Issue #1540174 by Niklas Fiekas, attiks: Fixed Some attributes not allowed for the new HTML5 input elements.

- Patch #1519720 by Niklas Fiekas: Remove element_validate_integer() and element_validate_integer_positive() in favor of the new number element type.