We have just released Version 4.4 of Planner.NET. It contains the following new features:
   
~ Visual Studio 2008 support
~ Schedule serialization has been redesigned to allow easier custom item and tag serialization
~ Several new methods have been added to the ItemDrawContext class
~ List view has been greatly improved; FreeDrag, CellUnit, EnableSnapping and SnapUnit are several of its new properties
~ ItemModificationStyle property has been added to the Calendar class
~ CellLayout property has been added to the MonthSettings class; it affects the way cells in the SingleMonth and MonthRange views are laid out
~ Schedule.GetFreePeriod method overloads enable you to find an unoccupied period of time with a specific duration
~ Various minor properties added to the Calendar class
~ New samples demonstrating the new features

Registered customers are going to receive their upgrades shortly. Evaluation copy can be downloaded here -
   
https://www.mindfusion.eu/PlannerTrial.zip ;  
   
Enjoy!