If you check https://www.canada.ca/en/immigration-refugees-citizenship/services/canadian-citizenship/become-canadian-citizen/citizenship-ceremony.html, the invitiation to the oath ceremony can take up to 3 months. My timeline closely follwed it. With that said, you may be getting invitied to one as late as early May.My application status is DM since February 25th and I'm still waiting for the Oath invitation. Is it normal? It has been 6 weeks...
Details:
Location: Vancouver, BC
Application sent: September 3rd 2019
AOR: November 27th 2019
Test invite: January 28th 2021
Test passed: February 11th 2021
DM: February 25th 2021