macOS Catalina: Pro Micro (w/Caterina bootloader) flashing - avrdude: butterfly_recv(): programmer is not responding · Issue #6133 · qmk/qmk_firmware

Trying to flash a contra which I've flashed in the past and I get this error now: I'm on MacOS Catalina Beta 1 now, which is the main difference now. Merged the latest master into my branch...