Spec Kit Templates v0.4.2: AI Skills Auto-Register

TL;DR

• AI skills now auto-register for extensions when applicable — no manual setup needed
• Timestamp-based branch naming option added to specify init
• Junie, Trae IDE, and Kimi Code CLI now supported as agents

New

• Auto-register AI skills for extensions — Extensions now automatically register AI skills when applicable, eliminating manual configuration overhead.
• Timestamp-based branch naming — specify init now supports timestamp-based branch naming for cleaner project initialization.
• Junie, Trae IDE, and Kimi Code CLI support — Added agent support for Junie, Trae IDE, and Kimi Code CLI to expand integration options.
• Pluggable preset system — New catalog-driven preset system with resolver and skills propagation for flexible project configuration.
• Specify status and doctor commands — New CLI commands for checking project status and running health diagnostics.
• iFlow CLI support — Added iFlow as a supported agent for workflow integration.
• Extension ignore patterns — Support for .extensionignore to exclude files during extension installation.
• Multiple active catalogs — Extensions can now work with multiple active catalogs simultaneously.

Fixed

• Missing Assumptions section in spec template — Now included by default.
• Repository root detection — Prioritizes .specify over git for more reliable detection.
• YAML Unicode handling — Added allow_unicode=True and encoding="utf-8" for proper character support.
• PowerShell parameter binding — Fixed explicit positional binding in create-new-feature script.
• JSON control character encoding — Now encodes residual JSON control chars as \uXXXX instead of stripping.
• Native skills fallback and legacy prompt suppression — Improved Codex integration stability.
• Bash script hardening — Enhanced shell injection protection and error handling across scripts.
• Command template cleanup — Refined specify and analyze command templates.
• NFR terminology — Renamed NFR references to "success criteria" in analyze and clarify commands.

Breaking Changes

• Explicit command support for agy deprecated — Migrate to native skills workflow for continued support.
• Qwen Code CLI format migration — Migrated from TOML to Markdown format for command definitions.

Update via: pip install --upgrade specify-cli or use the Specify CLI to scaffold your projects.

Source: Spec Kit