Appendix D: Changelog

The format follows Keep a Changelog and versions follow Semantic Versioning.

[2.0.0] - 2026-11-12

The whole book is now in English.
Per-chapter source lists were removed. The book stands on its own; the project catalog stays in Appendix A.
The reference matrix now shows method, path, status and chapter.
The repository was renamed to tinder-api-docs, and search metadata was added (page descriptions, Open Graph tags, a sitemap).

13 chapters: foundations, authentication (including the /v3 protobuf flow), request anatomy, profile, discovery, interactions, matches and WebSocket, location and meta, other endpoints, the reference matrix, library reviews, writing your own client, and responsible use
A 59-row endpoint reference matrix
In-depth reviews of 7 projects, based on their source code
TypeScript and C# (.NET 8) client skeletons that compile
A verified catalog of 40 projects, a glossary and a methodology appendix
scripts/refresh-stats.sh for repeatable metadata checks