spec-kit

v0.9.1 Feature

This release adds 1 notable feature for engineering teams evaluating rollout.

Published 1d Developer Productivity

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

ai copilot development engineering prd spec

+1 more

spec-driven

Summary

AI summary

Updates chore, cli, and copilot across a mixed release.

Type	Severity	Summary	CVE
Feature	Low	Adds native Cline integration. Adds native Cline integration. Source: llm_adapter@2026-06-02 Confidence: high	—
Bugfix
Bugfix	Medium	Fixes UTF-8 encoding issues on init-options and .extensionignore I/O. Fixes UTF-8 encoding issues on init-options and .extensionignore I/O. Source: llm_adapter@2026-06-02 Confidence: high	—
Bugfix	Medium	Resolves active spec template resolution in Copilot. Resolves active spec template resolution in Copilot. Source: llm_adapter@2026-06-02 Confidence: high	—
Bugfix	Medium	Adds missing agent-context extension entries to Cline _expected_files. Adds missing agent-context extension entries to Cline _expected_files. Source: llm_adapter@2026-06-02 Confidence: high	—

Full changelog

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

chore: bump version to 0.9.1
fix(cli): pin UTF-8 encoding on init-options and .extensionignore I/O (#2686)
docs: list Hermes in supported integrations table (#2768)
fix(copilot): resolve active spec template (#2765)
fix: add missing agent-context extension entries to Cline _expected_files (#2797)
Add spec-kit-linear extension to community catalog (#2795)
feat: add native Cline integration (#2508)
Update workflow-preset community catalog entry (#2756)
chore: release 0.9.0, begin 0.9.1.dev0 development (#2794)
Add RAG Azure Builder extension to community catalog (#2793)

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