Changelog
What's shipped on Seafarer Index, newest first. Each entry is a phase of work — typically a single push covering content additions, new tools, dataset expansions, or audit fixes. The site's entire change history is also available in the git log on GitHub.
Looking for the underlying datasets? See /data. Looking for what's next? See the forum for discussion.
Phase 14 Best-in-lane finishing pass
7 new country guides (CN, MM, BD, PK, LK, RO, RU). 8 new reference sections (vessel stability, polar code, IGF code, cyber security, STS, mooring, garbage management, OPA-90). 6 calculators + 3 quizzes. Sea-time logger. Multilingual phrasebook. PSC detention search. Port operational extras 30 → 200. STCW training-centre + manning-agency registries. Open-data dump (CC BY 4.0). Public changelog. Per-page last-updated badges.
Phase 13 Audit fixes — security, SEO, maritime accuracy
Rate-limited the corrections form via Supabase trigger (5/min anon, 10/hr authed). Fixed the canonical-URL inheritance bug that made every Phase-12 page point to the homepage. Wired the locale cookie. Added 8 Phase-12 routes to the service-worker offline pack. Corrected several MLC and STCW citations.
Phase 12 Top 10 to-be-the-best implementation
Port operational data (P&I correspondents, pilotage, agents, ISPS) for the 25 busiest ports. Career-pathways reference (Cadet → OOW → Master). Crew-change visa matrix (12 nationalities × 14 port countries = 168 cells). Reference pages added to search; Cmd+K shortcut. Country guides for the Philippines, India, Ukraine, Indonesia. Structured corrections form with admin queue. MLC 2006 compliance checker. Recently-viewed + bookmarks. Per-page dynamic OG images. Tagalog UI translation starter.
Phase 11 Top 10 zero-cost features + UX wins
Service-worker offline caching of the entire reference library, with explicit "Download offline pack" button. Mayday script generator, distance and bearing calculator, watch-rotation timer with Web Notifications, lights and sound-signal quizzes, COLREGs rule-by-situation picker, printable lights chart and distress wallet card, nearest-port locator (haversine over the 282 000-port dataset), "My certificates" expiry tracker with .ics calendar export. Mobile search, table-overflow wrappers, geo: deep-links on port coordinates, @media print stylesheet, breadcrumb terminal nodes, vCard download for helplines.
Phase 10 Commercial & insurance reference + thin-data backfills
13 commercial / regulatory reference sections (IACS classification societies, P&I and hull insurance, charterparties, laytime and demurrage, SIRE 2.0 and TMSA, salvage and LOF, draft survey, bunkering, INCOTERMS 2020, CO₂ regulation, Hague-Visby and Rotterdam Rules, arrest of ships, tonnage measurement). Glossary expanded in three thin categories (weather, communications, vessel-types). Sparse-field backfill: flag complaint URLs (75 → 18 nulls), certification validity & refresher, helpline geographic coverage.
Phase 9 Glossary full_def backfill + 10 more reference sections + 7 help topics
Backfilled `full_def` for all 290 glossary terms — every glossary detail page is now substantive long-form content. 10 more reference sections (SOLAS chapters, STCW, MARPOL annexes, MLC 2006, ISM Code, ISPS Code, Port State Control, ITF & IBF, Load Lines, GMDSS, AIS). 7 new help topics (joining a ship, sign-off, STCW revalidation, visas, injury at sea, MLC complaint, salary / wires).
Phase 8 Knots & lights diagrams + 7 new reference sections + dataset expansion
SVG diagrams for 15 knots and 14 COLREG light configurations. 7 new reference sections (COLREGs Rules 1-38 indexed, MARPOL annexes, ship types taxonomy, IMDG dangerous goods classes, ranks & ratings, watchkeeping & rest hours, IALA buoyage). Datasets expanded: centres 30 → 85, certifications 21 → 53, salaries 35 → 71, helplines 32 → 64.