# Changelog

## v0.3.0 - 2023-03-20
- Implement incoming observe requests and outgoing notifications
- Add `lwm2m_observe` example
- Sort options in `Message::new` constructor to ensure that they are always sorted
- Add options sorting unit test

## v0.2.0 - 2023-03-17
- Optimize payload accesses by caching the payload offset
- Change CoapOption value to be a reference instead of a `heapless::Vec`

## v0.1.0 - 2023-03-14
- Provides an Endpoint type for handling CoAP connections according to RFC 7252
    - Only NSTART=1 is supported
- Supports options parsing from URI
- Supports the basic methods
    - Get
    - Post
    - Put
    - Delete
- Supports two message types
    - Message
        - Owns most data
    - EncodedMessage
        - Based on borrowed byte buffer
- Provides a process function that the user needs to call repetitive