• Add TARGET_RP2040 to build defines (#898)
• Support IDE 2.0, detect UF2 volumes (#897)
• Allow double-reset to jump to USB bootloader (#893)
• Drive pin LOW after Tone(period) timeout (#887)
• Fix Serial1/2 debug output mode in CoreMutex (#883)
• Allow setCTS/RTS(UART_PIN_NOT_DEFINED) (#881)
• Fix deadlock during attachInterrupt (#879)
• Fix typo in HttpClient HTTPS example (#876)
• Allow setting the WiFi region for PicoW (#875)