My background was also completed today. See below. Looks like @sh_afra (see post above) and I are more or less on the same timeline.
Type: Online Application
Location: Ottawa
Office: AOR from Sydney office, No office indicated on test invitation,
Physical Presence Days: 1097
Application: Single
Application sent: December 7, 2023
Delivered: December 7, 2023
AOR: December 22, 2023
Test in Progress: January 16, 2024
Test start date: January 20, 2024
Test Completed: January 23, 2024
Ghost update: in the tracker on March 28, 2024
Background complete: April 02, 2024
Type: Online Application
Location: Ottawa
Office: AOR from Sydney office, No office indicated on test invitation,
Physical Presence Days: 1097
Application: Single
Application sent: December 7, 2023
Delivered: December 7, 2023
AOR: December 22, 2023
Test in Progress: January 16, 2024
Test start date: January 20, 2024
Test Completed: January 23, 2024
Ghost update: in the tracker on March 28, 2024
Background complete: April 02, 2024