Issue #1723892 by Berdir, Pancho, das-peter, fago: Support for revisions for entity save and delete operations.

Issue #1737148 by nod_, SebCorbin, larowlan, tim.plunkett, Albert Volkman, nick_schuch, sun: Explicitly declare all JS dependencies, don't use drupal_add_js().

- Patch #1374030 by aspilicious, Berdir, tim.plunkett: remove entity_extract_ids() now we have proper classed entity objects.

Issue #1446464 by cfennell, Berdir, aaron, tim.plunkett: Get rid of file_field_load() - shouldn't load all file object data with field load - only file ID.

Patch #1552984 by Niklas Fiekas: Added Make 'File displayed by default' depend on 'Enable display field' with #states.

Nate Lampton authored Oct 30, 2011 and catch committed Nov 01, 2011

Issue #22336 by quicksketch, scor, boombatower, and rfay. Move all core Drupal files under a core subdirectory.

Issue #1059268 by Berdir: Fixed Files are lost when adding multiple files to multiple file fields at the same time.

#853926 by yched: Fixed Wrong order of multi-value file fields when form rebuilt (preview, failed validation)

- Patch #745590 by justinrandell, effulgentsia, yched, quicksketch, eojthebrave: #managed_file() element does not work when #extended not TRUE, or when ancestor element doesn't have #tree=TRUE.

- Patch #926016 by effulgentsia, chrisshattuck: several bugs when trying to remove files from a multivalued file/image field.

- Patch #882694 by mgifford, sun, ksenzee, bleen18, yched: add missing form element titles for accessibility.

#913846 by Bevan, grendzy, bleen18, rfay, et al: Fixed Image/file field breaks after uploading two files.

- Patch #902264 by Damien Tournoud: move hook_field_schema() to .install files so we can get the upgrade path to work.

- Patch #353458 by quicksketch, drewish, jpetso, sun, noahb, aaron, chx, mikey_p, dhthwy: hook_file_references() was not designed for a highly flexible field storage.

- Patch #736298 by effulgentsia, eojthebrave, andypost, robeano: fixed Refactor file.module to use proper button click detection, enabling FAPI to improve button click detection security.

#803926 by dhthwy: Fixed File field shouldn't allow any file extension to be uploaded when the list of allowed extensions is left blank.

#618654 by Steven Merrill, justinrandell, jim0203, quicksketch, and David_Rothstein: Fixed File and image fields are treated as temporary files and automatically deleted after six hours.