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We're pleased to announce that sigstore support is now in public beta on prefix.dev! The Conda ecosystem can now use Sigstore to enhance the Software Supply Chain Security with cryptographic attestations.
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This is a guest blog post by Jackson Oursland - a FreeCAD maintainer and esteemed member of the conda-forge and Pixi community! FreeCAD uses Conda packages to build AppImages, DMG and Windows artifacts. Pixi greatly simplifies the developer workflow.
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Package managers face a fundamental challenge: how to efficiently place files from a package cache into multiple environments without excessive disk usage or compromising isolation.
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Virtual packages are a neat trick to inject system requirements into the SAT solver and resolve for compatible packages automatically. In this blog post we talk about how they are used in the Conda ecosystem to support complex cross-platform package distributions.
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At its core, a conda package really is just a "glorified" tarball—a compressed archive of files with some metadata attached.
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We're excited to announce S3 support across our entire toolchain – rattler, pixi, and rattler-build now support the most common cloud storage standard, thanks to contributions from our friends at QuantCo. This vendor-agnostic approach to distributing Conda packages represents a major step forward for the ecosystem, offering teams the flexibility to host packages on any S3-compatible provider (AWS, Cloudflare R2, Backblaze B2, Hetzner, and more) with built-in authentication and minimal vendor lock-in.
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Introducing powerful extensions to the existing task system
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We are working on some exciting Conda Enhancement Proposals (CEP) in 2025. Read more about them here.
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Never forget your API keys again—with trusted publishing to prefix's channels
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Think Homebrew, but cross-platform and easy to share with collaborators
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Did you know your packages could be even faster by enabling optimized CPU instructions? Learn how to build optimized packages for conda-forge.
