I went to their business, completed a roughly 30-minute technical exam, and then discussed the job for another the rest of the time. They were open to any questions that I had, and they even offered me a cold beverage. It went well, and they told me that they'd tell me their decision by the next day.
It has been almost 5 months with no definitive response. The pandemic likely made things more difficult, but I at least deserved a yes or no.