Update from version 21.0.0.704 to 21.0.0.723

The information about this update says:

This update contains important improvements to the Family Tree Maker 2012 product.

This important update includes the following in response to reported issues:
1. TreeSync improvements
2. Hierarchical place names improvements
3. General bug fixes

It is important to install this update.
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Does anyone have any Release Notes or more details than this about what is changed or improved in this version?