no limitation, but you can get the visa 90 days only in your home country, if a Thai want to visit Europe the can do the same but there is a limit that the Thai only can be 6 month's from the day they enter Europe/Sengen country's
Dear Patty, the latest what I hear today 'livelovethailand" information by you tube that extension is not possible anymore and the immigration advice you to return to your home country, please double check by yourself, for me it is unbelievable but give any comment is dangerous at this time. so better go to emigration where or near you life and ask, if you are married with a Thai then they will extend. good luck, I went the wrong month to visit my familie in Holland from
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and then corona game. even I have a compagny I am not allowed to come back. but live is not bad in Holland so I just wait and start enjoy my retirement in Thailand instead of working or building up again.