Major Features & Enhancements

• Transport & Performance:

  • Refactored build system and added Python app support.
  • Improved SPI performance with diagnostics and workqueue-based processing.
  • Enhanced throughput and power management.
  • Added support for ESP32-C6 (SDIO/SPI), C5(SPI), and C2 (SPI only).
  • Introduced module parameters for SPI and custom RPC/event handling.

• Bluetooth/BLE:

  • Enabled Bluetooth for ESP32-C6 with modem sleep defaults.
  • BLE modem sleep and Wi-Fi NVS enabled by default.

• Control Path & Protocol:

  • Set/Get Country Code support.
  • Version info reporting.
  • Host-controlled Wi-Fi/Bluetooth via RPC.
  • Unique request/response ID support.

• Host & Platform Support:

  • Improved support for Raspberry Pi OS Bookworm and Windows 11.
  • Platform abstraction cleanup.

Bug Fixes

• Resolved build issues with Linux >6.13.x and latest ESP-IDF.
• Fixed memory leaks, print/logging issues, and SPI transaction bugs.
• Addressed SoftAP SSID/password limits, packet drop logic, reconnect issues, and serial interface edge cases.
• Fixed mempool (DMA) allocation, command handling, and kernel crash on module load/unload.

Documentation

• New/updated docs for ESP32-C6, host setup (Linux, MCU), Windows 11, troubleshooting, porting, and control path APIs with demo apps.

Other Improvements

• Modularized codebase with better structure for maintainability.
• Added firmware versioning and verification.
• Enhanced power/event management and serial driver access control.

Upcoming release

• Add ESP32-C5 SDIO support