Here is my timeline while switching to Global Talent Visa (Stage 2) within the UK:
18th Nov, 2025: Submitted Stage 2 Application (5 day priority), Paid IHS Fees.
24th Nov, 2025: Received Home Office email notification that Tech Nation endorsed my application for exceptional talent.
25th Nov, 2025: Biometrics appointment done in London (priority).
30th Nov, 2025: Received Home Office email notification that Global Talent Visa has been approved, confirmed the same on UKVI website that visa got switched to Global Talent route.