New Features

async control path
- Request now can be sent with or without blocking for the response (sync/async way)
- Loose coupling of Control path library for better user integration
Events notification
- Subscriber - Notification model, where application will be notified for subscribed events. Users can hook their functionality on received events like:
  - ESP powered on
  - ESP in Station mode: Station disconnected from AP
  - ESP in SoftAP mode: External station disconnected from ESP
  - Heartbeat (ESP alive)
- New chipsets supported
  - ESP32-S3 - Wi-Fi + BLE on Linux & MCU hosts
  - ESP32-C2 - Wi-Fi + BLE on Linux & MCU hosts (beta)
- ESP code ported to IDF 5.0
- Mempool - Cache memory buffers to optimize heap allocations

Other enhancements

Old kernel building support added for (>3.x) Linux kernels
Throughput improvements in ESP32-C3
Bugfix in SoftAP vendor IE
Python app improvements
- Command based approach, where single line shell commands supported
- CLI based approach, User experienced focused CLI introduced with auto suggestions and history support
Fragmentation support on serial interface

ESP32-C2 experiences less throughput. Other chipsets do not experience this issue.