# \[ANN\] Numba 0.67rc1 and llvmlite 0.49rc1 --- NumPy 2.5 and Windows ARM64 support

**URL:** <https://numba.discourse.group/t/ann-numba-0-67rc1-and-llvmlite-0-49rc1-numpy-2-5-and-windows-arm64-support/3264>\
**Category:** Announcements\
**Created:** [July 24, 2026, 4:03pm UTC](https://numba.discourse.group/t/ann-numba-0-67rc1-and-llvmlite-0-49rc1-numpy-2-5-and-windows-arm64-support/3264 "2026-07-24T16:03:02Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sklam](https://yyz2.discourse-cdn.com/free1/user_avatar/numba.discourse.group/sklam/32/9_2.png) [@sklam](https://numba.discourse.group/u/sklam)\
**Post date:** [July 24, 2026, 4:03pm UTC](https://numba.discourse.group/t/ann-numba-0-67rc1-and-llvmlite-0-49rc1-numpy-2-5-and-windows-arm64-support/3264/1 "2026-07-24T16:03:02Z")

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Hi all,

Happy to announce release candidates for Numba 0.67.0rc1 and llvmlite 0.49.0rc1. This is a shorter release cycle to bring NumPy 2.5 support and experimental Windows ARM64 support ([Tier 1.5](https://numba.readthedocs.io/en/0.67.0rc1/reference/support_tiers.html#tier-1-5-experimental-releases-for-emerging-release-configurations)). Numba and llvmlite also ship Python 3.14 conda packages and wheels for Windows ARM64.

## Numba 0.67.0rc1

**PyPI:** `pip install --pre numba==0.67.0rc1`  
**conda:** `conda install -c numba numba=0.67.0rc1`  
**Release notes:** [0.67.0rc1](https://numba.readthedocs.io/en/0.67.0rc1/release/0.67.0-notes.html)

## llvmlite 0.49.0rc1

**PyPI:** `pip install --pre llvmlite==0.49.0rc1`  
**conda:** `conda install -c numba llvmlite=0.49.0rc1`  
**Release notes:** [v0.49.0rc1](https://llvmlite.readthedocs.io/en/v0.49.0rc1/release-notes.html)

Thanks to all contributors.

(ping [@RC\_Testers](https://numba.discourse.group/groups/rc_testers))

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<div class="post-metadata">

**Author:** ![seanlaw](https://yyz2.discourse-cdn.com/free1/user_avatar/numba.discourse.group/seanlaw/32/506_2.png) [@seanlaw](https://numba.discourse.group/u/seanlaw)\
**Post date:** [July 24, 2026, 6:34pm UTC](https://numba.discourse.group/t/ann-numba-0-67rc1-and-llvmlite-0-49rc1-numpy-2-5-and-windows-arm64-support/3264/2 "2026-07-24T18:34:35Z")

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All STUMPY tests are passing, thank you!

> <https://github.com/stumpy-dev/automate/actions/runs/30105071893>