Community drivers exist for Espressif’s USB‑JTAG and the DAPLink on NXP boards. USB‑DFU (no debug probe) is also supported for chips like the STM32F4’s system bootloader.
For dual‑core RP2040 and ESP32‑S3 users, v0.2 introduces --core 0/1 and a flashy both command that synchronizes breakpoints across cores. It’s marked experimental because cross‑core stepping can still desync on heavy interrupts, but early testers report it works for 80% of typical race‑condition hunts. beta flashy v0.2
: USB Debugging and "Enable OEM Unlock" must be toggled on in the phone's settings. Community drivers exist for Espressif’s USB‑JTAG and the