PRs to React/TS ecosystem libraries used by millions — several merged by the libraries' own creators. External contributor, not an employee: every item links straight to the PR.

Shipped to production (merged and released, credited in the release notes)

• supabase/supabase-js — Realtime fix (track() options forwarding) + tests. Shipped in v2.110.6 → #2490
• supabase/supabase-js — Functions fix (abort-listener cleanup on invoke()). Shipped in v2.110.8 → #2487
• withastro/astro — Svelte 5 component detection in @astrojs/solid-js. Shipped in @astrojs/solid-js@7.0.1 → #17270
• withastro/starlight — TOC overflow fix with custom --sl-content-width. Shipped in @astrojs/starlight@0.41.2 → #4008

Merged by maintainers

• adobe/react-spectrum — Ethiopic/Coptic calendar conversion fix in @internationalized/date. Approved by devongovett (its creator), merged by snowystinger → #10424
• chakra-ui/zag — Floating Panel: keep the panel stack in sync on close and apply stack order to the positioner. Merged by Segun Adebayo (Chakra UI creator) → #3246
• chakra-ui/zag — Marquee fix: animation duration derived from content size so speed is viewport-independent. Merged by Segun Adebayo → #3233
• unocss/unocss — preset-attributify: prevent the backtick matcher from spanning multiple lines in elementRE. Merged by zyyv (UnoCSS core team) → #5286
• storybookjs/storybook — root-caused and fixed a TypeError: Illegal invocation in the 10.5 focus instrumentation that broke react-aria and Fluent UI focus handling → #35528
• storybookjs/storybook — Tanstack React framework: stop @cloudflare/vite-plugin from leaking into the inherited Vite config → #35706

In review

• testing-library/jest-dom — toHaveFocus: resolve the active element through shadow roots → #739
• radix-ui/primitives — Slider: stop the bubble input from propagating programmatic value changes to ancestor listeners → #4100
• adobe/react-spectrum — ignore presses retargeted to the document element in dismissable modals → #10511
• remix-run/react-router — Fix <StreamTransfer> permanently dropping the hydration payload when a component above <Scripts> suspends → #15393
• remix-run/react-router — Fix uncaught exception when canceling streams created by createReadableStreamFromReadable → #15377
• remix-run/react-router — Wrap dev critical-CSS reset in React.startTransition to avoid breaking hydration of streamed Suspense boundaries → #15382
• testing-library/dom-testing-library — support the <search> element in role queries → #1385
• TanStack/router — router-core: keep percent-encoded caret in paths to prevent an infinite redirect loop → #8046
• TanStack/form — form-core: support value types with a custom equals() method in deep equality → #2261

Every contribution ships with reproduction, root-cause analysis and tests — reviewed and merged in public.

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Backend / Data

Tools & Platforms

• La Básica Pastelería — e-commerce running in production with real customers (React, WhatsApp sales channel)
• Miga Club — e-commerce running in production (sándwiches de miga & pizzas, Saavedra CABA · React + Vite)
• Espacio Vina — home & deco e-commerce in production (Laravel · Tailwind · Alpine.js)
• Portfolio · Franco Kaddour — React + Vite
• Portfolio · María Laura Isaías — inclusion & mental health specialist (vanilla HTML/CSS/JS · Vercel)