Version history for XLCalendar shows you how often it was updated over the past months (starting Feb 14, 2006) as well as 'what is new' information for each update (if available, since this information provided by the author).
v 18.104.22.168 updated on Dec 03, 2014
Rewrote this software with VB.Net.
v 1.5.0 updated on Nov 21, 2007
Support Windows Vista. Modify the installation program.
v 1.4.0 updated on Apr 26, 2007
Support some holidays that relate to Easter, such as Palm Sunday, Pentecost.
v 1.2.0 updated on Aug 02, 2006
Support multiple holidays on the same day.
v 1.1.0 updated on May 23, 2006
Add Good Friday, Holy Saturday, Easter Monday, and Easter Tuesday.
v 1.0.0 updated on Feb 14, 2006
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