spec-kit

v0.10.0 Breaking

This release includes 2 breaking changes for platform teams planning a safe upgrade.

Published 1mo 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

Affected surfaces

breaking_upgrade

ReleasePort's take

Moderate signal

editorial:auto 1mo

The Git integration is now opt‑in and the --no-git flag has been removed; legacy AI flags (--ai, --ai-commands-dir, --ai-skills) are also removed.

Why it matters: Operators must explicitly enable Git support in configurations and update any scripts that relied on the deprecated --no-git option or AI flags before upgrading to v0.10.0.

Summary

AI summary

Updates Migration, chore, and feat across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Breaking	High	Git extension is now opt-in; --no-git flag removed. Git extension is now opt-in; --no-git flag removed. Source: llm_adapter@2026-06-09 Confidence: high	—
Breaking	High	Legacy AI flags (--ai, --ai-commands-dir, --ai-skills) removed. Legacy AI flags (--ai, --ai-commands-dir, --ai-skills) removed. Source: llm_adapter@2026-06-09 Confidence: high	—
Feature	Medium	Added per-event hook lists with priority ordering in extensions. Added per-event hook lists with priority ordering in extensions. Source: llm_adapter@2026-06-09 Confidence: high	—
Dependency	Low	Updated Security Review extension to v1.5.3. Updated Security Review extension to v1.5.3. Source: llm_adapter@2026-06-09 Confidence: high	—
Dependency	Low	Updated Architecture Guard extension to v1.8.17. Updated Architecture Guard extension to v1.8.17. Source: llm_adapter@2026-06-09 Confidence: high	—

Full changelog

Install

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

Migration

Git extension is now opt-in. The --no-git flag has been removed.
specify init no longer auto-installs the git extension. To add it,
run specify extension add git after init.
Legacy AI flags removed. --ai, --ai-commands-dir, and --ai-skills
no longer exist. Use --integration <key> and --integration-options instead.

What's Changed

chore: bump version to 0.10.0
feat: make git extension opt-in and remove --no-git at v0.10.0 (#2873)
[Preset] UpdateFiction book writing v1.9.0 - Illustration support (#2821)
test(workflows): cover executable override fallback preflight (#2843)
Add GitHub Copilot CLI guidance to readme (#2891)
Update Security Review extension to v1.5.3 (#2898)
Update Architecture Guard extension to v1.8.17 (#2897)
feat(extensions): per-event hook lists with priority ordering (#2798)
feat!: remove legacy --ai, --ai-commands-dir, and --ai-skills flags (0.10.0) (#2872)
chore: release 0.9.5, begin 0.9.6.dev0 development (#2875)

Breaking Changes

--no-git flag removed; `specify init` no longer auto‑installs the git extension. Run `specify extension add git` to enable it.
`--ai`, `--ai-commands-dir`, and `--ai-skills` flags removed; use `--integration` and `--integration-options` instead.

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