Issue #874322, The All Day functionality has been moved into a separate module and hooks were added to make it easier for other modules to inject steps into date processing.

Issue #1353790, Make sure Date Popup properly translates the default value if it includes month or day names.

Issue #1292898, Check for all day checkbox in the basic date element validation so empty time for newly added elements still passes validation.

Issue #1179715, Switch drupal_array_get_nested_value() to use 'values' instead of 'input', where it makes sense, and simplify some of this code.

Issue #1179715, Create a helper function for testing hidden/disabled dates and test each date element and validator to skip processing in that case.

Follow up to Issue #1250344, We don't need extra space when there is a description, only when there is not.

Issue #1243022 by fmosca and KarenS, Make sure all_day #states visibility is only set when there is a value for all_day.

Issue #1236192 by loganfsmyth, Make sure #date_label_position has a default value in the Date Popup module.

Issue #233047 by ksenzee and David_Rothstein, Add the Vegas jQuery timepicker as a new time selector option.

Follow up to Issue #874322, Date popup field needs to accept date without time for the all day flag to work.

Issue #1160132 by seanbfuller and KarenS, Exposed filter widgets were not displaying the default values.

Issue #1233948, Add 'All Day' checkbox to hide/show the time parts of the date form. If All day is chosen, any time is replaced with 00:00:00 when the form is submitted.

Date repeat additions and exceptions need to be reworked into full, timezone-adjusted, datetime values when passing them to FAPI as default values.

Issue #1173374 by fietserwin, Remove translation of the jQuery datepicker day and month names, now handled by core.

Issue #1032942 by fietserwin, Rename date popup functions that are getting picked up by theme('date').

More work on cleaning up validation, add in some ideas from fearlsgrove about checking the granularity of the input array against the expected granularity.