fix(AlterableComposableSchema): Use getCacheId() in getSchemaDocument…

…() as in the parent class (#3477239 by almunnings)

docs(README): Cleanup links and outdated information

fix(menu_link_description): Cast getDescription() return value to str…

…ing (#3540217)

fix(FieldContext): Fix return type of context language, can be NULL

feat(schema): Move schema alter events to base schema class, deprecat…

…e AlterableComposableSchema (#3520035)

fix(schema): Preserve extension keys after sorting (#3515245 by andri…

…y khomych)

feat(drush): Provide a generator for schema extension plugins (#3501537)

chore(coder): Upgrade to 8.3.26 (#3492673)

Issue #3476398: EntityReferenceQueryDeriver::getDerivativeDefinitions…

…() may return Undefined array key warning during config import

3484814: Drupal 11 compatibility for version 3.4 by @albertosilva