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📝Release History
Changelog
Every improvement we ship, newest first. Found a bug or a wrong number?Tell us— corrections go out with the next review.
CURRENTSeptember 2026
41 calculators, guides, widgets & diagrams
- 10 new calculators: wall framing, rafters, board feet, carpet, wallpaper, asphalt, mulch, topsoil, sod, block walls.
- Live dimension diagrams with visible key formulas on all 41 calculators.
- Embeddable ad-free widgets for third-party sites, plus the widgets directory.
- 25 worked-example project guides with calculator handoffs.
- Fixed wallpaper coverage math (inches vs feet) across code, docs, and SEO content.
September 2026
Trust release: languages, fonts, sources
- Dynamic page language/direction with validated locales; Arabic renders right-to-left.
- Bundled Unicode PDF fonts — Hindi, Arabic, and Cyrillic quotations render on any server.
- Currency pickers honestly labeled as display symbols; methodology and sources block on all calculators.
September 2026
Performance release
- Local purged Tailwind build (56 KB) replacing the CDN playground; Three.js loads only on calculator pages with integrity hashes.
- Gzip compression, cache tiers, waitress production boot, and dead dark-mode code removed.
September 2026
Monetization readiness
- Homepage rewritten (300 → 1,300+ words) with CTAs, FAQ, and methodology.
- Ads-compatible privacy policy, cookie consent banner, and CLS-safe ad slots on every page.
September 2026
Trust & identity release
- Single buildingcalc.net domain everywhere; working self-POST contact form with spam protection.
- Policy contradictions fixed; single 2-business-day SLA; DMCA process; self-updating calculator lists.
September 2026
Security hardening
- Export DoS fixed (115 s freeze → instant rejection), rate limits, fail-closed secrets, security headers.
- Closed Excel/PDF injection holes; branded error pages; favicon, ads.txt, and robots fixes.