Finally Wife's BGC was marked completed on 9th July after 2 webforms, 2 calls and 2 emails to the agent. Last follow-up email did the trick. I think they had forgotten about my application totally until they saw the email.
Type: Online application
Location: Mississauga
Physical Presence Days: 1135
Application: Family (2)
Application sent: 2023-09-27
Delivered: 2023-09-27
AOR: 2023-10-30
BGC Done for me: 2023-11-07
BGC for wife: 2024-07-09
Citizenship test to be taken: Between 19th July to 18th Aug.