I've been using Opus 4.6 to make myself a harness for old Macs that uses models offered by the Github Copilot subscription. From my experience, when it creates

I've been using Opus 4.6 to make myself a harness for old Macs that uses models offered by the Github Copilot subscription. From my experience, when it creates working Objective-C, it's great. When it slips up, it slips up majorly.