Issue #3151386 by Rajab Natshah, Grayle, Gnanagowthaman sankar, nord102: Fix composer file for Allowed Formats to work with Drupal 9 and Drupal CI

Issue #3214633 by paulocs, nord102: Replace usages of AssertLegacyTrait::assert(No)FieldByName, that is deprecated

This reverts commit ac6f2e53.

Issue #3023388 by Sourabhagouda SP, veerabhadra, recrit: t() calls should be avoided in classes, use $this->t() instead

Issue #2884040 by AdamPS, stefanos.petrakis, hctom, bkosborne, dagomar: Allowed formats on base fields

Pavan B S authored May 11, 2017 and Florian Loretan committed May 11, 2017

Issue #2875095 by Pavan B S, amit.drupal: Convert module to use short array syntax (new coding standard)

Adam Shepherd authored Feb 18, 2017 and Florian Loretan committed Feb 18, 2017

Issue #2617982 by jcnventura, floretan, AdamPS: Control "About text formats" link and inline text format guidelines

Issue #2574887 by c960657, wjaspers, floretan, yannickoo, vpeltot, mgifford, lokapujya, jcnventura, fgm, bruvers, kiliweb: Convert core patch into a contrib module.