Was Georgiana Darcy disconcerted by the news of engagement Mr and Elizabeth?

No, Georgiana Darcy was not disconcerted by the news of the engagement between Mr. Darcy and Elizabeth. She was initially surprised but ultimately happy for her brother and Elizabeth. Georgiana had always admired Elizabeth's intelligence and vivacity and believed that she would be a good match for her brother. She was also pleased that her brother had found someone who loved and respected him.