Prompt Version Control

Prompts evolve. The competitive analysis prompt that worked in January needs updates when your product line changes, when a new competitor enters the market, or when you discover that the output format does not match the stakeholder's expectations. Without version control, these updates overwrite the previous version — and if the update introduces a regression, you cannot rollback.

Version control for prompts follows semantic versioning adapted for prompts. Major version (v2.0): the prompt's purpose or output format changed significantly. Minor version (v1.1): the prompt was refined — better instructions, additional guardrails, updated context requirements. Patch version (v1.0.1): typo fixes, formatting corrections, no functional change. Every version has a changelog entry. Every major version requires re-testing.