Issue #1286298 by fietserwin, Triskelion, MegaChriz, charginghawk, osopolar: Don't create new items, only update existing

Issue #1107522 by MegaChriz, twistor, ditcheva, nielsonm, franz, Niklas Fiekas, cthiebault, Uhkis, gcb, mparker17, guillaumev: Framework for expected behavior when importing empty/blank values + text field fix

Issue #2333029 by twistor, MegaChriz: Extend mapping API to allow for defaults and multiple callbacks

Issue #1058424 by thijsvdanker: Port date mapper patch to d7 version to support dates before 13 Dec 1901

Issue #2339383 by mikran, MegaChriz, joelpittet: Items missing from feeds do not affect item hash even when action is taken based on that

Issue #1470530 by stefan.r, GaëlG, mikran, Cottser, gnucifer, MegaChriz, vinmassaro, kostajh, Mithrandir, riho, jaanhoinatski, nrambeck, byronveale, dbassendine, PsycleInteractive, imclean: Added Unpublish/Delete nodes not included in feed.

Issue #2305929 by twistor, MegaChriz: Show message that mapping settings must be saved after changes.

Issue #661606 by MegaChriz, twistor, Cottser, scottrigby, manojbisht_drupal, Mohammed J. Razem, agileadam, emilyf, tmsimont, bradjones1, hairqles, ldavisrobeson, selim13, a.ross, chromix, g089h515r806 | lunk_rat: Added Support unique targets in mappers.

Issue #2224643 by hanoii, MegaChriz: Added Support for input format configuration on a per-field basis .

Issue #962912 by twistor, MegaChriz, Peacog, Niklas Fiekas | willmoy: Added Mapping to node summary.

Issue #1537776 by David_Rothstein | RyFo18: Importing a single 21st century year defaults to the current year.

Issue #1080386 by elizzle, twistor, rhouse, AndyF, chadmkidner, retiredpro, slefevre1, moonray, asgorobets, jwmeyerson: Added How to get title and alt fields into your image import for drupal 7 feeds.