Release Plan

Preface

A new version of Zephyr SDK is released on on-demand basis; for example, when there is a toolchain bug that affects Zephyr RTOS or a new feature that is required for Zephyr development.

Timeline

Release	Release date	State
Zephyr SDK 0.17.4	2025-08-08	Development
Zephyr SDK 1.0.0	2025-09	Development

Plans

Zephyr SDK 0.17.4

• Synchronise picolibc version with Zephyr 4.2.

Zephyr SDK 1.0.0 (previously called 0.18.0)

• Clang/LLVM support
• Multi-platform host tools support for macOS and Windows
  • QEMU
  • OpenOCD
• Removal of pre-built newlib/newlib-nano; picolibc is now the only pre-built libc included in the SDK
• GCC 14.2
• Binutils 2.43.1
• GDB 16.2
• Picolibc 1.8.10
• QEMU 10.0.2