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Changelog

Future releases will be logged here in reverse-chronological order.

2026-05-25 — Public preview​

Initial public release of the maproll rendering API at https://api.maproll.io.

What shipped:

  • Two endpoints: GET /map.{svg,png} (URL-only, cache-friendly) and POST /render/map (full JSON body).
  • Two scopes: world (countries, OSM-derived) and RO (Romania regions, OSM-derived). Both available at low, medium, and high detail levels.
  • Six themes: light, dark, satellite, terrain, minimal, contrast.
  • Five projections: naturalEarth1, albersUsa, conicConformal, mercator, equalEarth.
  • Color scales: sequential, diverging, categorical with Jenks, quantile, equal-interval, and custom break classification.
  • Proportional symbols: sized circles, optionally dual-encoded with choropleth fill.
  • Five fill patterns: stripes, stripes-diagonal, dots, crosshatch, solid-outline.
  • 30 marker icons with label positioning.
  • Routes: great-circle paths with optional arrows, dashes, and custom colors.
  • Region labels: ISO mode and explicit id lists, with labelMinArea filtering.
  • Cartographic overlays: north arrow, scale bar, graticule.
  • Annotations: per-region SVG <title> hover tooltips.
  • Title, subtitle, attribution, and logo branding fields.
  • Three legend layouts: vertical, horizontal, continuous.
  • Immutable caching: Cache-Control: public, max-age=31536000, immutable + ETag + 304 Not Modified support.
  • PNG rasterisation via @resvg/resvg-js (no headless browser).