Differences in Magento Connect Versions

How do I know which version of Magento Connect Manager that I have?

The only versions of Magento which carry 2.0 are:

• Enterprise Edition 1.9-RC3 & later
• Professional Edition 1.9 & later
• Community Edition 1.4.2.0-RC1 only
• Community Edition 1.5 & later

Please be aware that Magento 1.4.2.0-RC1 was considered a “Release Candidate” and was released in a beta state. Beta versions are not intended for production use.

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