Issue #2152227 by JeroenT, joelpittet, steinmb, steveoliver, hussainweb, shanethehat, jenlampton, kpa, AnythonyR, EVIIILJ, kgoel, Cottser, dsdeiz, hanpersand: Convert theme_tableselect() to #theme table__tableselect.
Issue #2310475 by Gábor Hojtsy | dawehner: Fixed Admin theme for translation tabs just works for nodes.
Issue #2062103 by penyaskito, pp, nonsie | hass: Fixed Skipped translation import shows dblog link message that is not yet available in installer.
Issue #2307125 followup by longwave: Fixed HTML double-escaping in EditorImageDialog.
Issue #2321739 by jibran: Fixed Minor issue in EntityReferenceRelationshipTest.
Issue #2319977 by marcingy: Convert sql query in buildForm in NodeTypeDeleteConfirm to efq.
Issue #2321167 by emma.maria, tompagabor | LewisNyman: Move password indicator colours into CSS.
Issue #2285083 by crowdcg, andypost, larowlan: Rename contact category to contact form.
Copy the Composer files to the core directory.