Classification and update method

Only official primary sources are collected. OpenAI, Anthropic, and Google official updates are used as the base reference. Each update unit separates what changed, what it enables, and practical impact, so readers can compare updates consistently.

Classification and update method

Category definitions

Dynamically listed from categories.js

Service definitions

Dynamically listed from services.js

Update unit fields

Fixed 5-field structure

titlesummarycapabilityimpactsource