Revert "updated core dependency to 2.2.0-GA"

This reverts commit 74f1d709c054c8cce1eb63576fd35c3059fbedf9.
Revert "Revert "updated core dependency to 2.2.0-GA""

This reverts commit 19b28ed76f5847f2d545ec6df25b5d7dff13336f.