nothing has changed..except of the wife can now sponsor her husband...
NOC is still highly required. No NOC - no sponsor change.
http://www.qatarliving.com/node/394557
penalties for the sponsorship law violation are very tough.
http://www.qatarliving.com/node/423212

*********************
“You become responsible forever for what you have tamed”. Antoine de Saint-Exupéry