Issue #2880750 by cilefen: Notice: Undefined index: entity keys in entity_extract_ids() when deleting existing field collection items

Issue #2607226 by daveferrara1, jurgenhaas, joep.hendrix: Field collection in taxonomy terms fails saving because of missing revision support in taxonomy

Issue #2611938 by ccjjmartin: Entity Reference inside of a Field Collection results in random 403 errors

Issue #2567675 by osopolar: Ctools relationship plug-in: Use negative delta to get item from the end of field-collection list

Issue #3052122 by Ruuds: EntityMalformedException: Permission to create a node was requested but no node type was given. in entity_metadata_no_hook_node_access()

Issue #3054682 by minorOffense: field_collection_item_access not calling entity_access with correct arguments

Issue #2833061 by tangozulu, coreykck, tanc: Exception: The host entity cannot be changed. in FieldCollectionItemEntity->updateHostEntity()

Issue #1447338 by yce, colan, Andrew Answer, jmuzz, colinafoley, justanothermark, izus: Files preview missing and causing EntityMailformedException errors

Issue #1549364 by yoshicn, RyanPrice, kscheirer, jamesmorrish, Greg McKeen, Sebastien @Actualys, frank.schalkwijk: Data not being saved on initial creation

Issue #2701809 by cutesquirrel, Sutharsan, svenryen, spotzero: update collection on a translatable node (i18n)

Issue #2542814 by carstenG, Chris Matthews: Devel generate doesn't work when field_collection Widget is hidden

Issue #2339023 by jmuzz, joseph.olstad: Migrate field collection revisions supported in beta4 to be up to date

Issue #2489142 by drunken monkey, mihai_brb, julia.klimovsky: Add entity type-specific versions of the "Host entity" property

Issue #2658882 by adrien.felipe, jcisio, rsmylski, michiellucas, moonray: "the host entity cannot be changed" error with VBO

Issue #1427158 by Fabianx, mrfelton, joseph.olstad: Use field_collection_field_formatter_prepare_view to increase performance by 50%