What's new
in Dubleu.
Every feature, fix, and improvement — in reverse chronological order. We ship every week.
March 28, 2026
Agent Mode is now GA for all Pro and Team users. Blueprint Mode improvements and a batch of quality-of-life fixes.
- ✦ NewAgent Mode GA — autonomous multi-step task execution with .tasks/ file tracking
- ✦ NewBlueprint Mode now saves approved layouts to .tasks/blueprints/ for future reference
- ✦ NewCross-project task coordination for Team plan workspaces
- ↑ ImprovedAgent loop self-corrects TypeScript errors before signalling task_done
- ↑ ImprovedDeploy detection handles monorepos with mixed Next.js + Expo projects
- ↑ ImprovedWeb search results injected inline — no loop pause needed
- ✓ FixedFixed agent occasionally emitting duplicate .tasks/plan.md writes on slow connections
- ✓ FixedBlueprint canvas now renders correctly on Safari 17
March 14, 2026
Image generation via fal.ai, PostHog analytics auto-init, and Resend email provisioning.
- ✦ NewImage generation via fal.ai Flux — generate assets directly into your project
- ✦ NewPostHog analytics auto-initialised on first deploy — no setup required
- ✦ NewResend email provisioning — add transactional email in one message
- ↑ Improvedfal.ai image sizes now support landscape_16_9 for wide banners
- ↑ ImprovedPostHog person profiles default to identified_only to respect privacy
- ✓ FixedFixed Resend RESEND_FROM env var not being set on first provision
- ✓ FixedImage generation filenames with spaces now convert to snake_case automatically
February 28, 2026
MCP server connections, Sentry error monitoring, and the new Skills command system.
- ✦ NewMCP tool connections — connect GitHub, Linear, Stripe, Slack and 20+ services
- ✦ NewSentry error monitoring auto-initialised on deploy via shared org DSN
- ✦ NewSkills system: /fix, /refactor, /explain, /test, /review, /design, /deploy, /docs
- ✦ NewOrg-scoped MCP servers shared across all projects in the org
- ↑ ImprovedSentry replay integration captures 10% of sessions by default
- ✓ FixedFixed GitHub MCP auth token expiry not triggering re-auth prompt
February 14, 2026
Supabase database provisioning, RLS policies, and Vercel env var injection.
- ✦ NewSupabase database provisioning via ~~~db blocks — Postgres in seconds
- ✦ NewAutomatic RLS policy generation for user-owned tables
- ✦ NewCredentials auto-injected into Vercel env vars on provision
- ↑ ImprovedSQL migrations run in sequence — one logical migration per db block
- ↑ ImprovedType-safe Supabase client generated automatically after provisioning
- ✓ FixedFixed RLS policies not applying when provisioning during an active agent session
January 31, 2026
Major release: Vercel and Netlify one-click deploy, preview URLs, and custom domain support.
- ✦ NewOne-click deploy to Vercel (Next.js) and Netlify (static sites)
- ✦ NewPreview URLs generated on every deploy — shareable instantly
- ✦ NewCustom domain support with zero manual DNS configuration
- ↑ ImprovedBuild times down to average 4.2s for cold Next.js builds
- ✓ FixedFixed static site detection incorrectly targeting Vercel for HTML-only projects
January 18, 2026
Secret management, encrypted env var storage, and the secret-input UI block.
- ✦ NewSecret input blocks — masked UI fields that encrypt and push keys to Vercel
- ✦ NewSecrets vault — encrypted storage, never visible in chat or code
- ↑ ImprovedSecret-input hints now link to the exact dashboard page for each provider
- ✓ FixedFixed duplicate secret-input blocks appearing after page refresh mid-session
January 5, 2026
WebContainers live preview, Monaco editor, and the Turbopack-powered dev server.
- ✦ NewWebContainers — full Node.js runtime in the browser, zero local setup
- ✦ NewMonaco editor with full IntelliSense, syntax highlighting, and diff view
- ✦ NewLive preview iframe — hot reload on every file save
- ✦ NewTurbopack-powered dev server — sub-100ms HMR
- ↑ ImprovedFile tree shows dirty-state dots on unsaved files
December 12, 2025
Public beta launch. Core AI chat, Next.js scaffolding, and file editing.
- ✦ NewPublic beta — Dubleu is open to everyone
- ✦ NewAI chat panel with Next.js 16 + TypeScript + Tailwind v4 scaffolding
- ✦ NewFile tree, Monaco editor, and apply-to-file code blocks
- ✦ NewWeb search — looks up docs and package versions in real time
- ✦ NewUser feedback widget on deployed apps
Coming soon
What's on the roadmap
Here's what we're actively building. Got a feature request? Tell us →
Sub-2s incremental deploys
Diff-based builds that only recompile changed files.
Long-term memory
Agents that remember decisions across sessions and projects.
Native mobile preview
Live iOS/Android preview directly in the browser via Expo Go.
GitHub sync
Two-way sync with any GitHub repo — push, pull, branch, PR.
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