Plugin created with Adobe SDK 10 not working with Adobe Pro 9

[#1]

Adobe Plugin created with Adobe SDK 10 and its working with Adobe professional 10 , its not working in Adobe professional 9.

[#2]

Adobe Plugin created with Adobe SDK 10 and its working with Adobe professional 10 , its not working in Adobe professional 9.

[#3]

This is correct.

[#4]

specific version of SDK work only with the version of that particular adobe such as Adobe SDK 10 work with only Adobe 10 .

[#5]

Yes.

[#6]

Or newer but not older. You can no longer start plugin development work on versions once the SDK is withdrawn. Adobe's interest is in selling upgrades.