➀ Adds support for Raspberry Pi RP2350 boards, focusing on Arm architecture. ➁ Migrates to Pico SDK 2.0, incorporating new OpenOCD and Picotool. ➂ Enhances features including SPI, I2C, LittleFS, EEPROM, PWMAudio, LWIP-based networking, multicore, SDK USB, and TinyUSB. ➃ Introduces new board models such as Raspberry Pi Pico 2, Invector Labs Challenger RP2350 BConnect, SparkFun Pro Micro RP2350, and Solder Party RP2350 Stamp. ➄ Adds new Ethernet controllers like W6100 and implements VFS for POSIX file I/O operations.