Spack v1.0 is out!
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Todd Gamblin
Jul 20, 2025, 6:46:31 AMJul 20
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Hi all,
We're extremely happy to announce that, after 12 years, Spack v1.0 is out!
This is a huge milestone for us. We've reworked the core to add compiler dependencies, and we're introducing a stable package API. v1.0 also adds concurrent builds, better includes, and much more.
There are a number of breaking changes in v1.0. In most cases, we’ve provided tools that can help you migrate your packages and environments.
Read it all in the release notes!
https://github.com/spack/spack/releases/tag/v1.0.0
Thanks to all of you for contributing — we wouldn’t be here today if not for the Spack community.
-Todd
We're extremely happy to announce that, after 12 years, Spack v1.0 is out!
This is a huge milestone for us. We've reworked the core to add compiler dependencies, and we're introducing a stable package API. v1.0 also adds concurrent builds, better includes, and much more.
There are a number of breaking changes in v1.0. In most cases, we’ve provided tools that can help you migrate your packages and environments.
Read it all in the release notes!
https://github.com/spack/spack/releases/tag/v1.0.0
Thanks to all of you for contributing — we wouldn’t be here today if not for the Spack community.
-Todd
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