chore: release 2026.5.18

[mise-en-dev]

🚀 Features

• (config) add script arrays for hooks by @risu729 in #9836

🐛 Bug Fixes

• (conda) include channel in lock identity by @risu729 in #9984
• (config) honor ceiling paths during miserc discovery by @risu729 in #10165
• (env) drop stale install paths during reactivation by @risu729 in #10162
• (github) include target artifact options in lock identity by @risu729 in #9985
• (installer) add missing warn helper by @risu729 in #10157
• (python) include sysconfig patch option in lock identity by @risu729 in #10161
• (rust) include toolchain install options in lock identity by @risu729 in #9988
• (task) include task refs in json run output by @risu729 in #10163
• (task) bump usage for completions by @jdx in #10181

Chore

• (ci) revert switch back to github-hosted runners by @jdx in #10184
• (npm) publish mise package by @jdx in #10183

[coderabbitai]

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📝 Walkthrough

Walkthrough

This PR bumps mise from 2026.5.17 to 2026.5.18 across Cargo.toml, packaging (Nix, RPM, snap), README example, and shell completion spec filenames; CHANGELOG adds a 2026.5.18 release section with a hook script arrays feature and several bug fixes.

Changes

Mise 2026.5.18 Release Bump

Layer / File(s)	Summary
Package version updates Cargo.toml, default.nix, packaging/rpm/mise.spec, snapcraft.yaml, README.md	Core package version bumped from 2026.5.17 to 2026.5.18 across Rust crate manifest, Nix derivation, RPM spec, snapcraft snap configuration, and the README quickstart example.
Release documentation CHANGELOG.md	CHANGELOG updated with a new 2026.5.18 release header, a 🚀 Features bullet about hook script arrays, and 🐛 Bug Fixes bullets for dropping stale install paths on reactivation, conda lock identity channel inclusion, honoring ceiling paths during miserc discovery, adding a missing warn helper, and including task refs in JSON run output.
Shell completion spec file references completions/_mise, completions/mise.bash, completions/mise.fish, completions/mise.ps1	All shell completion scripts updated to reference the versioned usage spec artifacts for 2026_5_18 instead of 2026_5_17 for completion generation.

🎯 2 (Simple) | ⏱️ ~10 minutes

🐰 A version bump hops through the code,
From .17 to .18 on this release road,
Manifests, docs, and shells all agree,
Hook scripts and fixes now roam free! 🥕

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'chore: release 2026.5.18' directly and clearly summarizes the main change: a version release bump from 2026.5.17 to 2026.5.18.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch release

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[greptile-apps]

Greptile Summary

This is a standard automated release PR bumping mise from version 2026.5.17 to 2026.5.18. It updates version strings across all packaging and distribution artifacts, adds the release changelog entry, and updates completion script cache filenames to match the new version.

• Version strings updated consistently in Cargo.toml, Cargo.lock, default.nix, packaging/rpm/mise.spec, snapcraft.yaml, and README.md.
• All four shell completion scripts (bash, zsh, fish, ps1) have their spec-file cache names updated to the new version, ensuring stale completions are not reused.

Confidence Score: 5/5

Safe to merge — all changes are mechanical version string updates generated as part of the automated release process.

Every changed file contains only a version string bump from 2026.5.17 to 2026.5.18, plus the corresponding CHANGELOG entry. Version strings are updated consistently across Cargo manifests, packaging files, shell completion caches, and documentation. No logic, configuration, or behavior is altered.

No files require special attention.

Important Files Changed

Filename	Overview
Cargo.toml	Version bumped from 2026.5.17 to 2026.5.18
CHANGELOG.md	New release entry added for 2026.5.18 with features, bug fixes, and chore entries
completions/_mise	Cache spec filename updated to use new version 2026_5_18
completions/mise.bash	Cache spec filename updated to use new version 2026_5_18
completions/mise.fish	Cache spec filename updated to use new version 2026_5_18
completions/mise.ps1	Cache spec filename updated to use new version 2026_5_18 (.kdl extension, consistent with previous pattern)
default.nix	Version bumped to 2026.5.18
packaging/rpm/mise.spec	Version bumped to 2026.5.18
snapcraft.yaml	Version bumped to 2026.5.18
README.md	Version string in example output updated to 2026.5.18
Cargo.lock	Lockfile version entry updated to 2026.5.18 matching Cargo.toml

_{Reviews (11): Last reviewed commit: "chore: release 2026.5.18" | Re-trigger Greptile}

[github-actions]

Hyperfine Performance

mise x -- echo

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
mise-2026.5.16 x -- echo	18.6 ± 0.9	16.6	22.1	1.00
mise x -- echo	19.3 ± 2.3	17.3	65.9	1.04 ± 0.14

mise env

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
mise-2026.5.16 env	18.6 ± 2.5	16.3	37.4	1.00
mise env	18.7 ± 0.9	17.0	24.5	1.00 ± 0.14

mise hook-env

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
mise-2026.5.16 hook-env	18.7 ± 0.9	17.1	22.8	1.00
mise hook-env	20.1 ± 1.4	17.7	25.5	1.08 ± 0.09

mise ls

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
mise-2026.5.16 ls	16.7 ± 1.1	14.6	21.7	1.00
mise ls	18.7 ± 1.3	15.8	24.2	1.12 ± 0.11
⚠️ Inconclusive: ls measured 12% slower, but the relative uncertainty overlaps the 10% threshold.

xtasks/test/perf

Command	mise-2026.5.16	mise	Variance
install (cached)	145ms	146ms	+0%
ls (cached)	66ms	67ms	-1%
bin-paths (cached)	75ms	74ms	+1%
task-ls (cached)	145ms	147ms	-1%