Changelog

1.0.0 — Documentation

• VitePress documentation site (en/es) for the P&ID/HMI Editor.
• Guides, symbol catalog, features, tutorials and FAQ.
• SEO/AEO: og-image, sitemap, robots.txt and llms.txt.

App — recent versions

• V4 (Explicit CAD) — geometric editing and block model:
  • Geometry snapping (OSNAP): endpoints, midpoints, centers, quadrants and intersections.
  • Connections from any geometry point (free-point model).
  • Explicit polylines (model, tool, render, export, snap).
  • Block model: definition, reference and per-block editable attributes.
  • Grips: stretch/snap vertices and endpoints with snapping; insert and remove points.
  • Trim and Extend tools on explicit geometry.
  • Multi-entity editing (delete/copy/duplicate/move connections and polylines).
  • Spatial index and culling for performance on large diagrams.
  • Vector PDF export; full project export with an ISA tag index.
  • Palette with search, favorites and recents; custom symbols from primitives.
  • Data-driven annotations under symbols bound to attributes.
  • Per-instance ISA-5.1 instrument location; auto tag numbering.
  • Named-gesture undo/redo with support for connections and polylines.
• V3.6 — previous release (ISA-5.1 symbols, layers, connections, PNG/SVG/PDF export, BOM, auto-save, i18n).
• Previous versions include symbol, template, validation and command-line improvements.