spec-kit

v0.12.9 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 17d Developer Productivity

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

ai copilot development engineering prd spec

+1 more

spec-driven

Summary

AI summary

Updates chore, integrations, and workflows across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Feature	Low	Update Golden Demo extension to v0.3.0. Update Golden Demo extension to v0.3.0. Source: llm_adapter@2026-07-16 Confidence: high	—
Dependency	Medium	Enforce version pin on bundled preset/extension installs. Enforce version pin on bundled preset/extension installs. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix
Bugfix	Medium	Skip Windows Store python3 alias stub in resolve_python_interpreter. Skip Windows Store python3 alias stub in resolve_python_interpreter. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix	Medium	Escape control characters in SKILL.md frontmatter. Escape control characters in SKILL.md frontmatter. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix	Medium	Apply chained expression filters left-to-right in workflows. Apply chained expression filters left-to-right in workflows. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix	Medium	Resolve invoke_separator based on parse success, not python3 availability. Resolve invoke_separator based on parse success, not python3 availability. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix	Medium	Preserve recovered user files when refreshing shared templates. Preserve recovered user files when refreshing shared templates. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix	Medium	Resolve skill placeholders in Goose (yaml) command output. Resolve skill placeholders in Goose (yaml) command output. Source: llm_adapter@2026-07-16 Confidence: high	—

Full changelog

Install

uv tool install specify-cli --from git+https://github.com/github/[email protected]
specify init my-project

What's Changed

chore: bump version to 0.12.9
fix(integrations): skip Windows Store python3 alias stub in resolve_python_interpreter (#3385)
fix(integrations): escape control characters in SKILL.md frontmatter (#3399)
fix(workflows): apply chained expression filters left-to-right (#3339)
fix(scripts): resolve invoke_separator by parse success, not python3 availability (#3304) (#3320)
fix(shared-infra): refresh_shared_templates preserves recovered user files (#3378)
fix(agents): resolve skill placeholders in Goose (yaml) command output (#3374)
fix(bundler): enforce version pin on bundled preset/extension installs (#3377)
Update Golden Demo extension to v0.3.0 (#3394)
test: isolate integration test home (#3144)
chore: release 0.12.8, begin 0.12.9.dev0 development (#3410)

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Earlier breaking changes

v0.10.0 Legacy AI flags (--ai, --ai-commands-dir, --ai-skills) removed.
v0.10.0 Git extension is now opt-in; --no-git flag removed.