Last month I sent an email to the prime minister office and this was their (copy,paste)response.
Dear **** *** :
The Office of the Prime Minister has kindly forwarded to the Honourable Marco E.L. Mendicino, Minister of Immigration, Refugees and Citizenship, a copy of your correspondence of August 9, 2021, regarding your application for a grant of Canadian citizenship. Immigration, Refugees and Citizenship Canada (IRCC) is also in receipt of your correspondence of August 9, 2021, addressed to Minister Mendicino, on the same topic. I have been asked to respond to your concerns.
IRCC realizes that those who have submitted their application look forward to a decision being rendered within a reasonable time period after applying. IRCC makes every effort to manage the applications received in the most efficient and effective way. However, the many steps involved in processing an application, coupled with the volume of applications, sometimes make it difficult to conclude cases in as timely a manner as the Department or the client would like.
Maintaining the integrity of the citizenship program is a priority of the Government of Canada. Individuals who wish to become Canadian citizens must complete immigration, criminal, and security background checks before they can be granted citizenship. These requirements exist to protect the interests and safety of Canadians.
IRCC conducts background checks by working together with partner agencies, such as the Royal Canadian Mounted Police, the Canadian Security Intelligence Service, the Canada Border Services Agency, and other government agencies. Background screening processes are non‑discriminatory and universal in their application. Any delays that may occur as IRCC’s partner agencies conduct the background checks are something over which IRCC has no control.
Departmental records confirm that your application is in progress at IRCC’s Mississauga office; immigration verifications are in progress. Please be assured that you will be contacted if further information is required, or once a final decision has been made. If your application is approved and you satisfy the remaining requirements, you will be invited to participate in the next step in the application process or to attend the oath-taking ceremony and receive a citizenship certificate.