Skip to content

What's New on Developer Toolkit

This page tracks what we ship on developertoolkit.ai itself — new lessons, scorecards, integrations, design updates and fixes. For release notes about the tools we cover (Cursor, Claude Code, Codex), see Latest Updates.

🆕 New content

  • Per-question implementation guides for Developer + CTO scorecards (#40, May 21)
  • Bilingual Developer + CTO scorecards with Gemini analysis (#17, May 9)
  • CI reviewers coverage — Claude Code Action, Codex, Sentry Seer listed in the AI maturity survey (#29, May 14)

✨ New features

  • BetterAuth Email OTP + Polar.sh full integration (#37, #39, May 20) — passwordless login, OAuth POST flow, webhook bridge
  • Frictionless survey intro + abandon instrumentation (#32, May 15)
  • Scorecard funnel tracking in PostHog (#27, May 12)
  • Site-wide closable scorecard overlay EN+PL (#25, May 12)
  • Scorecard promotion on 5 landing subpages EN+PL (#18, May 10)
  • Design System 2.0 applied across all surfaces (#11, May 6)

🎨 UX & Design

  • Outcome-led hero copy + scorecard CTA (#36, May 18); “or refactor” added to the individual headline
  • Team CTA promoted to primary, matching Individual (#35, May 18)
  • Audience tab renamed to “For Founders, CEOs and CTOs” (#34, May 18)
  • Unified Polish CTAs to “Wypróbuj za darmo” (#26, May 12)
  • Header CTA renamed from “Start Free Trial” to “Try for Free” (#21, May 10)
  • Survey rename to AI Developer / Company Maturity Survey with UX polish (#20, May 10)

🔧 Fixes & Quality

  • OTP usePlural fix, OAuth POST flow correction, Polar webhook bridge (#39, May 20)
  • Dark/light theme sync between landing and Starlight docs (#16, May 7)
  • Docs readability restored after Design System 2.0 token swap (#13, May 6)
  • Sidebar active item colour clash fixed (#14, May 6)
  • Pricing Team CTA corrected to “Continue” (#15, May 6)
  • Survey copy — dropped misleading “wired into CI” claim for AI reviewers (#31, May 14)
  • Scorecard rescale revert — kept the 0-75 scale (#24, May 12) after #23 turned out worse

🆕 New content

  • Four-stage AI design pipeline section EN+PL (#6, Apr 30)
  • Changelogs refresh + model IDs + April 2026 lesson content (Apr 24)
  • Official Skills from Technology Makers docs page EN+PL (Apr 4)
  • Wondel.ai skills documented across the skills ecosystem (Apr 5)

✨ New features

  • Comprehensive SEO improvements across content, technical, and AI search dimensions (Apr 29)
  • CRO bundle — inline CTAs, soft gate, exit intent, sidebar CTA (Apr 7)
  • Polar.sh checkout wired to all Start Free Trial CTAs (Apr 4)
  • Dynamic Table of Contents page added (Apr 4)
  • Roadmap link added to footer (Apr 4)
  • 301 redirects for renamed/moved pages + new docs section stubs (Apr 7)

🎨 UX & Design

  • Author photo added to home and about pages (Apr 4)
  • Paywall — Individual plan preselected, “Best Value” badge moved (Apr 4, Apr 7)
  • CTA copy refresh — “Start Free Trial” everywhere, then later “Try for Free” (Apr 4)
  • OG image redesigned with cascading tool windows and bolder typography (Apr 4)
  • Free trial CTA changed from “Get Full Access” to “Get 7-Day Free Trial” (Apr 4)
  • Free article limit reduced from 10 to 3 per month (Apr 4)
  • Mom Test audit — landing page claims grounded in verifiable facts (Apr 4)

🔧 Fixes & Quality

  • Checkout API crash fixed (zod override breaking better-auth) (Apr 8)
  • Analytics tracking — server-side PostHog endpoint, CTA click event loss fixed (Apr 8)
  • a11y fixes for backdrop overlays after oxlint upgrade (Apr 8)
  • MDX build errors fixed (toolName undefined, {server} expression) (Apr 4)
  • Robots.txt/chunks/ allowed for Googlebot (Apr 5)
  • JS-dependent entrance animations removed (were blocking Googlebot rendering) (Apr 5)
  • Dependencies updated to latest Cloudflare-compatible versions (Apr 8)

🆕 New content

  • March 2026 changelogs for Claude Code & Codex EN+PL (Mar 28)

🔧 Fixes & Quality

  • Semrush SEO fixes — structured data, duplicate h1s/titles, www redirect, llms.txt (Mar 22)
  • noarchive robots meta removed to allow AI/search caching (Mar 25)

🆕 New content

  • Three-tool coverage — full Codex section, restructured Cursor + Claude Code (Feb 8)
  • Polish translations across all documentation sections (Feb 9)
  • Remotion benefits videos — Cursor and Claude Code (Feb 13)
  • Subscribers page expanded to showcase all 390+ pages of content (Feb 18)

✨ New features

  • Sentry error tracking — client + server, DE-region endpoint (Feb 23)
  • Metered paywall — 10 free articles/month, later refined (Feb 12)
  • Remotion video pipeline + rendered benefits videos (Feb 13)
  • Animated mesh gradient + small-caps tagline in hero (Feb 22)
  • 30-day money-back guarantee rolled out site-wide (Feb 21)
  • Sticky bottom-bar CTA with value-driven copy (Feb 21)

🎨 UX & Design

  • Hero tagline copy + font-size + letter-spacing polish (Feb 22, Feb 23)
  • Landing page overhaul — reordered sections, improved all 12 components (Feb 13)
  • OG image redesigned with brand logo and on-brand colours (Feb 13)
  • Mobile comparison table — full content visible (Feb 13)
  • Contextual CTAs replacing generic “Start Free Trial” in FeatureShowcase (Feb 21)

🔧 Fixes & Quality

  • Duplicate hreflang and canonical tags on doc pages fixed (Feb 21)
  • Polish diacritics fixed across all PL translations + sitemap config (Feb 9, Feb 10)
  • English at root URLs — no redirect, per Google SEO guidance (Feb 21)
  • Pricing link in header — navigates to /pricing instead of anchor (Feb 21)
  • 10 broken documentation links fixed (Feb 13)
  • Website audit fixes — security headers, a11y, SEO, perf (Feb 16)
  • Prettier → dprint migration + oxlint configuration (Feb 3)