Issue #2231003 by kay_v, djevans, lokapujya, seiplax | scor: GetPreparedFieldMapping() should return NULL when there are no mappings.

Issue #2089331 by grom358 | thedavidmeister: [meta] Replace calls to check_plain() with Drupal\Component\Utility\String::checkPlain().

Issue #2004252 by mortendk, babruix, dasjo, joelpittet, visabhishek, cwells, jenlampton, Dragan Eror, nikhiltri, minneapolisdan, Manuel Garcia, sarahjean, acouch | scor: Node.html.twig template.

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

Issue #1992954 by lokapujya, sphism, cwells, djevans, Stefan Freudenberg, Gaelan: Trimming of long usernames results in incorrect RDF.

Issue #1778410 by linclark, ashepherd, Stefan Freudenberg, tim.plunkett, kay_v, adorsk: Throw exception when RDF namespaces collide.

Issue #2002134 by fago, yched, amateescu, effulgentsia: Move TypedData metadata introspection from data objects to definition objects.

Issue #2028025 by David Hernández, Berdir, larowlan, ceng, YesCT, a_thakur: Expand CommentInterface to provide methods.

Issue #1898444 by jenlampton, Cottser, lbainbridge, duellj, joelpittet, scor: Rdf.module - Convert theme_ functions to Twig.

Issue #2062017 by InternetDevels, rhm50, wesleydv, DeimoS: Replace user_access() calls with ->hasPermission() in rdf module.

Issue #2080703 by chertzog | mrsinguyen: Remove Unused local variable  from /core/modules/rdf/rdf.module.

Issue #2049207 by dlu, blakehall, janstoeckler, ramlev, Moderate | Cottser: Replace .tpl.php with .html.twig in documentation.

Issue #731724 by larowlan, andypost, dixon_, tsvenson: Convert comment settings into a field to make them work with CMI and non-node entities.

Issue #1778122 by scor, linclark, effulgentsia: Fixed Enable modules to inject attributes into field formatters, so that RDF attributes get output on the appropriate elements.

Issue #2011918 by Liam Morland, jesse.d, scor: Fixed Titles are often double-escaped (including in the content attribute of the dc:title meta element for nodes).

Issue #1847002 by tim.plunkett, effulgentsia, msonnabaum: Move entity type classes from Drupal$provider\Plugin\Core\Entity to Drupal$provider\Entity.

Issue #2045923 by drupalrv, tim.plunkett: Replace all module_invoke_all() deprecated function calls in procedural code.

Issue #1869600 by linclark, scor, jesse.d: Refactor RDF mappings to be inline with the new Entity Field API.

Issue #2009664 by esunger, jeroen12345, aaronott, hussainweb: Replace theme() with drupal_render() in rdf module.