Issue #2298877 by sylus, marco.pagliarulo: Migration doesn't take into account language of host entity

Issue #1675522 by tim.plunkett, dewalt: Remove button broken if form is rebuilt (via ajax or failed validation)

Issue #2274953 by a.milkovsky, recrit: Default revision is incorrectly set when host entity is NOT default

Issue #1339858: Boolean value in field collection causes field collection item to be added when user has left it blank.

Issue #1662710 by Saaj, kristofferwiklund: move FieldCollectionItemEntity to a separate include file

Issue #2013811 by Berdir, deviantintegral, drumm, jmuzz: Fixed bug causing host update to drop changes made during save.

Patch by fago, pmelab: Improved views integration and added field collection item revision relationship support.

Issue #2242751 by David_Rothstein: Implemented #2242663 for SA-CORE-2014-002 (Ajax form page callback security fix for anonymous users).

Issue #2125017: Fixed field collection items being created as archived when made with a new node revision.

Issue #1316162 by torotil, ParisLiakos, jrglasgow, ianthomas_uk, goron: Added support for content translation and host entity cloning.

Issue #2141781 by segi, Jody Lynn, q0rban, jstoller, juampy: Fixed updates and indexes for revision_id.

Issue #2211667 by gmercer: Attach host entity to new field collection items created for the embed widget.

Issue #1276258 by mongolito404, barraponto, mavimo, 30equals, rvilar, idflood: Completely hide empty field collections.

Issue #1807460 by jstoller, ericduran, hass, John Pitcairn, TimLeytens: Field collection doesn't play nice with workbench moderation (patch).

Issue #1268620 by Steven Jones, dwillems, lpeabody | Fidelix: Support Entity Cache in Field Collection.

Issue #1676206 by zhangtaihao: Fixed Required field with options widget is not validated for empty value '_none'.