Zephyr 4.4.0 (Working Draft)

We are pleased to announce the release of Zephyr version 4.4.0.

Major enhancements with this release include:

An overview of the changes required or recommended when migrating your application from Zephyr v4.3.0 to Zephyr v4.4.0 can be found in the separate migration guide.

The following sections provide detailed lists of changes by component.

API Changes

Removed APIs and options

  • Bluetooth

    • CONFIG_BT_TBS_SUPPORTED_FEATURES

    • The deprecated bt_hci_cmd_create() functon was removed. It has been replaced by bt_hci_cmd_alloc().

Deprecated APIs and options

New APIs and options

New Boards

New Shields

New Drivers

New Samples

DeviceTree

Kconfig

  • Added new preprocessor function dt_highest_controller_irq_number (GitHub #104819)

Kernel

Libraries / Subsystems

Other notable changes