Changelog

What's new in Marcus

New features, improvements, and fixes — most recent first.

7 March 2026
Housekeeping

Privacy Policy, favicon, and pricing

  • Added Privacy Policy page covering data collection, usage, retention, and your rights under UK/EU GDPR
  • Added a favicon — the Marcus "M" mark on forest green
  • Annual subscription price set to $279/year
5 March 2026
Feature

Prompt Guide and Builder improvements

  • New Prompt Guide — five core prompting techniques for senior leaders, with executive-level examples for each
  • Prompt Builder redesigned with improved flow and expanded template library
  • Checkout now collects your name, job title, and organisation to personalise your account from day one
3 March 2026
Feature

Subscriptions and Pro access

  • Stripe-powered subscription flow — pay first, then set your password
  • Pro tier gates the full prompt library; free users see a preview
  • Billing portal lets you manage or cancel your subscription from your account page
  • Welcome page for new subscribers
  • About page added
2 March 2026
Rebrand

Claro becomes Marcus

  • The app has been renamed Marcus — after Marcus Aurelius Antoninus, who published Meditations
  • Updated across all pages, navigation, and metadata
26 February 2026
Feature

Book Insights — the Bookshelf

  • New Bookshelf page with cover art grid drawn from 100+ leadership books
  • Multi-select category filters and full-text search by title or author
  • Book cover images loaded via Next.js Image with performance optimisations
25 February 2026
Infrastructure

Live database

  • Prompts now served from Supabase — no more hardcoded data
  • Favourites/bookmarks backed by your account, not just local storage
  • Library and home page load prompts server-side for faster initial render