What are the current arrangements for the tourist visa exemption in Thailand as of now?

Still 60 days nothing has changed

It's called VISA EXEMPT, it applies to 93 listed countries, the term is 60 days. If you leave the country it expires and you'll get a new one whenever you return. Theoretically you could continue doing that indefinitely, but I wouldn't chance it.

It’s still 60

Visa on arrival is 15 days for only certain countries. Many others get the "visa exempt/NO VISA" entry for 60 days.

Visa on arrival is where you apply for and pay for a 15 day visa at the airport. You do not even qualify for that, so I assume that's not what you're asking about.

You're likely asking about visa exempt, which isn't any visa at all. It means you're exempt from needing a visa and will receive a 60 day free entry stamp.

It's currently 60 days and has been since July 2024. No one can tell you what the future holds, but it doesn't matter that much as you could just apply for a tourist visa online if you need 60 days, or apply for a 30 day extension at the immigration office.