A Methods Note on Recording Foundation-Model Releases as Changelog Data

This methods note describes a reusable way to record foundation-model releases as changelog rows: cite only official provider documentation, keep a small schema of production-relevant fields, and write "not stated" instead of inventing a missing number. It is not a benchmark and does not rank models. A related public scan list of recent model releases is maintained at https://www.toolbit.ai/updates/models