Issue #1363460, Make sure widget dates do not end up with the current date when they should be empty.

Issue #1353790, Hide missing index notice if the value in the Date Popup does not match the expected value, it will still get trapped as a validation error.

Add notes to the CHANGELOG.txt explaining what to do if you were using a Date Browser, now that it has been removed.

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

Issue #1217796, Make sure that All Day formatting works correctly even if the All Day label is empty.

Issue #1354606, Make sure COUNT option without UNTIL date can be handled correctly by repeating date computations.

The repeat description was lost by a recent change to the theme that sent the element through the theme twice.

Remove date_get_nested_elements() function. Not being used and I don't want other code to start expecting it.

Issue #1266144, The end date should get set to blank if it is optional and matches the start date, but only if it is not populated by default values.

Issue #1349510, Make sure default values get populated before processing so they still get set on hidden fields.

Issue #1280658 and follow up to Issue #1238660 by KarenS and tockliasteroid, Rework the format control over the summary title and apply it to the title() callback.

Issue #1285224, Make sure Date Migrate works for importing repeating dates now that widgets have changed.

Issue #1302374 by miro_dietiker, Account for an inconsistency in core handling of non-existant date formats.

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

Issue #1252952 follow up, Move checkbox setting to the same spot where time is set, and don't show option on dates without time.

Issue #1017866, Fix miscellaneous problems where filter/argument incorrectly do timezone adjustment.

Issue #1153766, Adapt metadata functions to the pattern in the current Entity code, add  to the getters.