Changelog <PC>

The primary goal of a changelog is to make it easy for humans to understand exactly what has changed between two versions of a product. In the fast-paced world of software development, codebases are modified thousands of times. If a user wants to know why a feature they rely on suddenly looks different, or if a developer needs to know if a security vulnerability was patched, they shouldn't have to sift through thousands of lines of raw "commit messages" like fixed bug or updated CSS .

Modern products (Linear, Vercel, Figma) have a "What's New" bell icon in the UI. Clicking it shows the latest CHANGELOG entries. This is proactive communication. CHANGELOG