embassy/embassy-usb/CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased - ReleaseDate

0.5.0 - 2025-07-16

• UAC1: unmute by default (#3992)
• cdc_acm: State::new is now const (#4000)
• Add support for CMSIS-DAP v2 USB class (#4107)
• Reduce UsbDevice builder logs to trace (#4130)
• Implement embedded-io-async traits for USB CDC ACM (#4176)
• Update embassy-sync to v0.7.0
• Fix CDC ACM BufferedReceiver buffer calculation

0.4.0 - 2025-01-15

• Change config defaults to to composite with IADs. This ensures embassy-usb Just Works in more cases when using classes with multiple interfaces, or multiple classes. (breaking change)
  • composite_with_iads = true
  • device_class = 0xEF
  • device_sub_class = 0x02
  • device_protocol = 0x01
• Add support for USB Audio Class 1.
• Add support for isochronous endpoints.
• Add support for setting the USB version number.
• Add support for device qualifier descriptors.
• Allow bos_descriptor_buf to be a zero length if BOS descriptors aren't used.

0.3.0 - 2024-08-05

• bump usbd-hid from 0.7.0 to 0.8.1
• Add collapse_debuginfo to fmt.rs macros.
• update embassy-sync dependency

0.2.0 - 2024-05-20

• #2862 WebUSB implementation by @chmanie
• Removed dynamically sized device_descriptor fields

0.1.0 - 2024-01-11

• Initial Release