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VERSION: Bump to 1.0.0-beta1 #1024

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Sep 30, 2025
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VERSION: Bump to 1.0.0-beta1 #1024

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release-notes: Add release notes for 1.0.0-beta1
stephanosio Sep 27, 2025
84b9511
VERSION: Bump to 1.0.0-beta1
stephanosio Sep 27, 2025
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2 changes: 1 addition & 1 deletion VERSION
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0.18.0-alpha4
1.0.0-beta1
2 changes: 1 addition & 1 deletion cmake/zephyr/Kconfig
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# SPDX-License-Identifier: Apache-2.0

config TOOLCHAIN_ZEPHYR_0_18
config TOOLCHAIN_ZEPHYR_1_0
def_bool y

config TOOLCHAIN_ZEPHYR_SUPPORTS_THREAD_LOCAL_STORAGE
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41 changes: 21 additions & 20 deletions release-notes.md
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# Notes / Changes in various releases

## Zephyr SDK 0.18.0-alpha4
## Zephyr SDK 1.0.0-beta1

- general:

* Added Clang/LLVM 19.1.7 toolchain with Arm and RISC-V architecture support.
* Update to GCC 14.3
* Picolibc is configured as the main and default C library.
* Dropped support for newlib and newlib-nano
* Dropped support NIOS II architecture
* GNU toolchain is now based on GCC 14.3 and Binutils 2.43.
* Picolibc is now the default and only C library provided by the SDK.
* Removed newlib and newlib-nano C libraries in the GNU toolchain.
* Dropped NIOS II architecture support.
* Introduced Clang/LLVM toolchain distribution bundle
(`zephyr-sdk-VER_HOST_llvm`).
* Renamed existing "full" GNU toolchain distribution bundle to
`zephyr-sdk-VER_HOST_gnu`.
* Windows executables now link against UCRT, which supports Unicode.
* Added Intel ACE40 toolchain (`xtensa-intel_ace40_zephyr-elf`).

- cmake:

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* Zephyr SDK GNU toolchain now declares `TOOLCHAIN_HAS_GLIBCXX`.
* Zephyr SDK LLVM toolchain now declares `TOOLCHAIN_HAS_LIBCXX`.

- hosttools:
- binutils:

* Update qemu to 10.0.2
* Updated Binutils to 2.43.1 release.

## Zephyr SDK 0.18.0-alpha2
- gcc:

- general:
* Updated GCC to 14.3 release.
* `-mstrict-align` is now set by default when compiling for RISC-V targets.
* Added multi-libs for RV32E Zcb targets.
* Added multi-libs for RV64GC Bitmanip targets.
* Added multi-libs for RV64GC large code model targets.
* Added multi-libs for RV64GCV targets.

* Added Clang/LLVM 19.1.1 toolchain with Arm and RISC-V architecture support.
* Introduced Clang/LLVM toolchain distribution bundle
(`zephyr-sdk-VER_HOST_llvm`).
* Renamed existing "full" GNU toolchain distribution bundle to
`zephyr-sdk-VER_HOST_gnu`.
* Windows executables now link against UCRT, which supports Unicode.
- gdb:

- cmake:
* Updated GDB to 16.2 release.

* Restructured toolchain CMake script to support GNU and LLVM toolchains.
This requires Zephyr 4.1.0 or above (or the latest `collab-sdk-0.18-dev`).
* Zephyr SDK GNU toolchain now declares `TOOLCHAIN_HAS_GLIBCXX`.
* Zephyr SDK LLVM toolchain now declares `TOOLCHAIN_HAS_LIBCXX`.
- qemu:

* Updated QEMU to 10.0.2 release.
* Fixed ARC64 emulation bugs for double load/store operations.

## Zephyr SDK 0.17.1

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