- Patch #1263208 by Niklas Fiekas, BTMash, aiwata55, Berdir, kathyh: upgrade path for blog module removal.

- Patch #532512 by Gábor Hojtsy, andypost, no_commit_credit: fixed Plural string storage is broken, editing UI is missing.

Issue #965300 by Gábor Hojtsy, xjm: Change LANGUAGE_NONE to LANGUAGE_NOT_SPECIFIED; add LANGUAGE_NOT_APPLICABLE and LANGUAGE_MULTIPLE.

- Patch #1454538 by effulgentsia, Gábor Hojtsy, kalman.hosszu: langcode property to all entity types; for the user entity, distinguish entity language from user's language preference.

- Patch #1410096 by fastangel, Gábor Hojtsy, kalman.hosszu: convert comment language code schema to langcode.

- Patch #540294 by Gábor Hojtsy, clemens.tolboom, Xano: node language settings from Locale to Node module.