Sortable: Copy the cell structure when sorting a table row. Fixes #9185 - Sortable: Placeholder breaks table-layout: fixed.
(cherry picked from commit 09b3533910e887377fc87126608db1ded06f38f6)
Draggable: Stop erroneously overriding scroll offsets for root nodes. Fixes #6258 - Draggable: not following mouse when scrolled and using overflow-y: scroll.
(cherry picked from commit a88d64514001867b908776e6bfcfac7f1011970d)
Draggable: Don't cache parent offset if the parent position is fixed. Fixes #5009 - Draggable: scroll not working with parent's position fixed(cherry picked from commit 49c7b7200ef944ffc93487e79e763dfe97b4ff4a)
Datepicker: Fixed date format for Serbian locales. Fixes #7347 - Datepicker: Wrong date format for Serbian localization.
(cherry picked from commit 504b100a1a9213186968c654dd915b92bb9ee15b)
Datepicker: Remove unnecessary global variable now that we don't use inline event handlers anymore.
(cherry picked from commit cb42ba6fd6307a8425a1af89329869fcc613cefe)
Datepicker: Remove unused _getBorders() method.
(cherry picked from commit e11cfce8013ebb32853ffb6972ea36e785fb8016)