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Changelog

A public record of material website and calculator changes.

Effective August 30, 2026 · Site release 0.4

Site 0.4 · Phase 2

August 30, 2026

  • Applied the new IGTools header identity.
  • Added privacy, terms, and engineering-disclaimer pages.
  • Added privacy-conscious traffic and performance monitoring.
  • Added global error and missing-page recovery screens.
  • Published a site and calculator change-history page.

Calculator 0.3.0 · Phase 1

August 30, 2026

  • Added property limits and engineering review warnings.
  • Expanded choked, subcritical, reciprocal, and boundary tests.
  • Added printable calculation reports, technical references, and revision tracking.
  • Improved keyboard navigation and accessible status messaging.

Calculator 0.2 · Public beta

August 30, 2026

  • Released required-Cv and available-flow modes.
  • Added gas presets, choked-flow indication, equations, and result details.
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