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Changelog - Mar 1 to Mar 19, 2026

Preuve AI rebrand, Lifetime Deals, Subscription plans, Startup Cockpit, GTM Playbook, and 7-language support.

Written by Vincent

Published on March 19, 2026

New

  • Preuve AI Rebrand. New brand identity, domain (preuve.ai), and fully rebuilt landing pages on Next.js.

  • Lifetime Deals. Lifetime Pro ($499) and Lifetime Business ($999) plans, pay once, validate forever.

  • Subscription Plans. Founder Radar ($19/mo) and Builder ($49/mo) with monthly re-scans and competitor monitoring.

  • Startup Cockpit. Portfolio dashboard for Builder subscribers, with competitor scoring, threat radar, profile pages, and War Room with real-time monitoring.

  • GTM Playbook Section. New 13th analysis section, with cold email templates, interview guides, and go-to-market action plans tailored to your idea.

  • Build with AI Pack. Export your analysis as a structured prompt pack ($9 add-on) to use with ChatGPT, Claude, or Cursor.

  • Competitor Compare Hub. Side-by-side comparisons with 15 validation tools at /compare.

  • Workflow Reality Check. Validation now checks whether people actually do the workflow your product replaces.

  • Onboarding Tour. Guided walkthrough for new users with preview badges, progress ring, and smart section landing.

  • Reviews Page. Dedicated /reviews page with founder testimonials and schema markup.

  • About Page. Founder story, AI pipeline explainer, and trust signals at /about.

  • Dynamic OG Images. Auto-generated social preview images, localized per language.

  • 7-Language Support. App expanded from 3 to 7 languages (EN, FR, ES, DE, IT, PT, AR).

  • 43 Regions. Region-aware analysis now covers 43 countries with local currency pricing.

  • Brazil and North America Regions. Dedicated regional analysis support.

  • South Asia Regional Pricing. Local pricing for India, Pakistan, Bangladesh, Sri Lanka.

  • Mobile Tab Bar. Full bottom navigation bar for mobile users.

  • Inline Checkout. Seamless in-app payment flow (migrated to DodoPayments).

  • Lead Magnet System. Downloadable validation checklist with email nurture sequence.

  • Payment Recovery Emails. Automatic recovery emails on failed payments.

  • Email Unsubscribe. CAN-SPAM compliant one-click unsubscribe.

Improved

  • Competitor Discovery. Better positioning maps, card layouts, hallucination filtering, and logo integration.

  • Trends Dashboard. Rebuilt from scratch, with 7 sections, percentile bars, and trend alerts.

  • Synthesis Section. Auto-regenerated with data-grounded summaries and key metrics.

  • Upgrade Experience. Redesigned modals with blurred teaser content instead of blocking overlays.

  • Checkout Flow. Inline payments, minimal address collection, discount codes, and better error handling.

  • Performance. 50% smaller critical path, lazy-loaded chunks, prefetched sections, and optimized mobile DOM.

  • SEO and AI Search. Structured data, schema markup, GEO optimization for AI search engines.

  • Light Mode Default. App now defaults to light mode with improved contrast throughout.

  • Accessibility. WCAG AA contrast fixes across all modals, cards, and interactive elements.

  • Custom Icons. Replaced generic icons with hand-crafted SVGs across the entire app.

  • Landing Pages. Compare section, differentiators, testimonials, and tighter copy across all 7 locales.

  • Sticky Upgrade Bar. Persistent but non-intrusive upgrade prompt after modal dismiss.

Blog

  • How 10 AI Agents Validate Your Startup Idea

  • 7-Day Startup Validation Checklist

  • 50 Startup Ideas for 2026 Rated by Real Data

  • Startup Validator Alternatives Comparison

  • Confirmation Bias in Validation, plus Why Startups Fail

Security

  • Hardened authentication and access control across all API routes

  • Abuse prevention system for free tier

  • Disposable email blocking

  • Database policy hardening

Fixes

  • Stale deploys no longer cause blank pages (chunk recovery and service worker fix)

  • Auth flow crash on multi-tab usage resolved

  • Polling loops no longer retry forever on terminal errors

  • Checkout currency and tax display corrected for all regions

  • Free report sections no longer crash on missing data

  • Competitor benchmark comparison logic fixed

  • Mobile layout and overflow issues across dashboard and modals

  • Score toast fires once per session instead of on every mount

  • Service worker no longer intercepts blog or landing routes

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