Railpack

Python Poetry is now installed via mise's native poetry package instead of pipx, improving environment integration. Also updated mise from v2026.7.5 to v2026.7.6.

Railpack's build command can now import and export BuildKit cache volumes, and credentials from the Docker CLI config are used automatically for private registries. Also updated mise to v2026.7.5.

Mise was updated from v2026.6.12 to v2026.7.2.

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New

• Deno: Railpack now reads Deno versions from .deno-version files using mise idiomatic version file support. Add a .deno-version file to your project root (for example, 2.2.2) to pin the Deno runtime for your deployment — see [version…

I'll gather PR details via GitHub MCP and review the commits to draft user-facing release notes. GitHub MCP isn't available here — fetching PR details with gh instead.

## Providers

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New

• Expo Web: Railpack now detects Expo Web projects configured for static export as SPAs and serves the built output from dist with the static file server. Configure expo.web.output to static or single…

CLI

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Fixed

• Elixir: Elixir 1.20 now maps to Erlang 29, so projects on Elixir 1.20 build with the correct OTP version. by @iloveitaly in https://github.com/railwayapp/railpack/pull/583

CLI

New

• Mise: Updated mise version from v2026.6.0…

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CLI

CLI

CLI

What's Changed

• fix: expose shell completion subcommand by @iloveitaly in https://github.com/railwayapp/railpack/pull/520
• test: add arm builds by @iloveitaly in https://github.com/railwayapp/railpack/pull/509
• feat: additional mise config and idiomatic version files…

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