The full quote and link to the article - no real change and as always been said - final decision is up to the Immigration Officer - no change to now.
"May be two weeks, one month, it's up to the applicant." And then if you wish to extend the 189 days at immigration, you need to provide another certificate or acceptance letter or other confirmation.
Pressed on the matter, he said such documentation is required when applying for the visa and when extending the visa inside Thailand, but usually not when actually entering the country -- although, of course "like in every other country, the final decision depends on the discretion of the immigration officer."
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57/explainer-thailands-new-visas