correct. I have this problem too. My due date is mid March, a month I do not want to be in TH every year. But I have to restart the process to change the date. I hope for new visa procedures beginning 2025 if the EU/EFTA gets FTA agreements with TH. If.
could be now, but my 1st one laster December, after I returned, was approved. Try it. I know that the absolutely first has to be done in person. In Hua Hin, maybe different.