What Are the Options for Exiting Thailand from Mae Sot Given the Myanmar Crossing Restrictions?

Hi all, update from Mae Sot - Myawaddy crossing: they are not letting foreigners leave across the bridge, saying that the Myanmar side will not let you in. I went to check this morning and was told by a couple of the immigration guys there; then went to the immigration office and they confirmed. They were not sure how long this would last. They suggested flying to Yangon from Bangkok but I can't confirm/deny if this is still possible or what documents are needed. Myanmar folks can still cross the bridge.

Can anyone suggest another border crossing close-ish to Mae Sot that is still operating as normal? At this point I would like to just hop out and back in asap on the visa exemption. The crossing at Nong Khai requires a visa now?

Thanks very much