What happens to current GTA Online after November 19?

Rockstar has officially said GTA VI «is a single-player experience» (PS Store FAQ) and has announced nothing about a new online component. Which raises the question this community exists for: what happens to the current GTA Online — the game that printed money for 13 years?

Credible-rumor tier: a next-gen GTA Online reveal near launch, mirroring 2013's playbook (GTA Online arrived ~2 weeks after GTA 5); one leaker claims December 2026, unconfirmed.

Are you still grinding the old Online, or already in preservation mode? What's your bet on the handover?