Is there any document available on this site that describes
the difference between flex 1.5 properties and flex 2.0 properties?
Or any other features that are new, or replaced in flex 2.0 as well
as features, properties and tags that were valid in flex 1.5 but
now obsolete in flex 2.0?
For e.g. properties HorizontalGap and VerticalGap are
obsolete in flex 2.0 but they were valid in flex 1.5
Many of the properties were simply given better names in Flex
2.0. The horizontalGap and verticalGap properties are still present
for those containers where they make sense. Others like
vScrollPosition are now verticalScrollPosition.