If you use the "Test & Go scheme" but use the Visa Waiver for entry, can you still extend it an additional 30 days like before? Also, does Thailand Pass allow this as an option in the App? Thx in advance. :)
TLDR : Answer Summary
Yes, if you enter Thailand using the Visa Waiver under the Test & Go scheme, you can still extend your stay by an additional 30 days as before. However, you'll need to show proof of an onward travel ticket when boarding your flight, although there are reports that some travelers haven't been asked for this documentation.