SQL Developer no more free ?

I noticed a new functionality, schema compare in SQLD 1.5. One that is used by develoeprs in my company extensively out of Toad.
To my surprise, it asked to confirm licence for Oracle Change Management Option.
I am shocked!!
Didn't SQL Developer started as a free tool for developers?
I am asking that, did we not jumped on the bandwagon because Toad and other tools are asking price for the functionality we donot feel legitimate.
My sincere apeal, to keep the tool really free.
-Jayant

There's a mention here.
How does Diff Wizard work?
While it says that it involves Java and SQL, there's nothing conclusive there about whether it requires functionality licensed under that option. There are AWR tables/views that can be queried only with the Diagnostic Pack.
Having said that, I can't find anything in DBA_FEATURE_USAGE_STATISTICS or SYSMAN.MGMT_DB_FEATUREUSAGE that might indicate whether the Change Management Pack has been employed. Maybe it depends on the contents of the SYSMAN.MGMT_CM% tables.

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