iiinova — where your digital self keeps evolving

Enzo Manuel Mangano @reactiive.io · 05/09/2026

I've been building a chess puzzles app using @expo.dev, and it’s finally coming together 👀 Made a fun little page for the launch. → tempo.reactiive.io

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Enzo Manuel Mangano @reactiive.io · 27/08/2026

What @reczkok.bsky.social built is the closest thing to magic I've seen this year. Couldn't stop thinking about the concept of drawing with light. So I built this small React Native prototype on top of his shader.

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Enzo Manuel Mangano @reactiive.io · 23/08/2026

A fun little guest just showed up in the cherry blossom QR code.

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Enzo Manuel Mangano @reactiive.io · 02/07/2026

3. to avoid too much randomness and keep the icon easy to recognize, I'm only updating the display text (e.g. 122, the number of animations) and the spiral.

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Enzo Manuel Mangano @reactiive.io · 02/07/2026

2. to generate a new app icon on every build i'm using a ci hook from @expo.dev called "eas-build-pre-install". It runs automatically before installing the deps on EAS.

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Enzo Manuel Mangano @reactiive.io · 02/07/2026

1. the idea is that the app icon is designed via code (using headless Skia) and gets re-created on every build

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Enzo Manuel Mangano @reactiive.io · 02/07/2026

One of my favorite things about the Demos app is that every update generates a slightly different app icon, so it's always a nice little surprise.

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Enzo Manuel Mangano @reactiive.io · 27/06/2026

Great books always feel like the letters themselves are alive. I’ve had this idea in mind for a while, and it was so fun to prototype with React Native Skia.

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Enzo Manuel Mangano @reactiive.io · 13/06/2026

You can now just run "ennio improvise" and your app gets randomly stress-tested. Useful if you want to make sure you haven't vibecoded too hard.

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Enzo Manuel Mangano @reactiive.io · 11/06/2026

2. The best way to feel the difference is to try running your maestro tests with Ennio. It now takes 5 seconds.

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Enzo Manuel Mangano @reactiive.io · 11/06/2026

1. note: these results have no statistical significance - they're just the output of my local runs (macbook pro m3). The bsky e2e suite starts with a setupServer call, I cut that time from the measurements and started after it.

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Enzo Manuel Mangano @reactiive.io · 11/06/2026

Got the full e2e bsky suite running with Ennio. Here are the results 🧵

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Enzo Manuel Mangano @reactiive.io · 06/06/2026

Sometimes a checkmate comes out of nowhere.

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Enzo Manuel Mangano @reactiive.io · 02/06/2026

3. I had to rethink the initial architecture a lot. Now it doesn't make assumptions. The search no longer happens via the Fabric tree - it's based on a native UIView traversal. This works perfectly in React Native because, of course, any React Native component is a real native component.

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Enzo Manuel Mangano @reactiive.io · 02/06/2026

2. It's no longer a native package, but a dev dependency (still requires idb right now, but no prebuilds). You can install it and test it in less than 10 seconds.

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Enzo Manuel Mangano @reactiive.io · 02/06/2026

I've completely reworked the core of Ennio. It's now much easier to get started. running e2e tests in react native has to be faster 🧵

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Enzo Manuel Mangano @reactiive.io · 16/05/2026

6. Ennio ships as a package with an expo plugin that automatically strips it from release builds.

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Enzo Manuel Mangano @reactiive.io · 16/05/2026

5. once we find the item, we can synchronously measure its coordinates and pass them to IDB, which will simulate a real finger tap at those x,y coordinates. That’s really it.

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Enzo Manuel Mangano @reactiive.io · 16/05/2026

4. the main idea is simple. Instead of using XCUITest, we can rely on the Fabric shadow tree to detect the items, then cross check with the a11y tree and the viewport.

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Enzo Manuel Mangano @reactiive.io · 16/05/2026

3. why faster? Ennio interprets the maestro yaml only for react native apps, which allows it to make additional assumptions. It assumes RN + newArch and communicates via Hermes inspector.

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Enzo Manuel Mangano @reactiive.io · 16/05/2026

2. I'm building Ennio with 1:1 parity with maestro yaml - tapOn, assertVisible, scroll, runFlow, retry, env interpolation. drop your existing flows in, they should just work (hopefully).

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Enzo Manuel Mangano @reactiive.io · 16/05/2026

I've been recently experimenting with a new way to run e2e flows in React Native. Same maestro e2e test, same yaml, but 2-3x faster. learn about Ennio 🧵

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Enzo Manuel Mangano @reactiive.io · 25/04/2026

You can turn 10,000 photos into anything once you get access to the GPU.

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Enzo Manuel Mangano @reactiive.io · 04/04/2026

I've been playing with React Native WebGPU recently and it's really flipping my perspective on animations.

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Enzo Manuel Mangano @reactiive.io · 29/03/2026

What if every GitHub commit planted a seed?

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Enzo Manuel Mangano @reactiive.io · 08/03/2026

I still can't believe that these are just plain Skia paths animated with Reanimated

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Enzo Manuel Mangano @reactiive.io · 06/03/2026

6. Small tip: blur masks will make a huge difference!

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Enzo Manuel Mangano @reactiive.io · 06/03/2026

5. Now you can prototype as much as you'd like until you land on a result that's good enough for you.

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Enzo Manuel Mangano @reactiive.io · 06/03/2026

4. At this point, it's all just path interpolation with Skia.

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Enzo Manuel Mangano @reactiive.io · 06/03/2026

3. Once the mascot was ready, Claude was kind enough to read it directly from Paper via MCP and translate it into Skia paths.

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Enzo Manuel Mangano @reactiive.io · 06/03/2026

2. What I did was "vibe-prototype" the mascot with @paper.design + Claude. Mostly just asking questions and iterating until I landed on the design I liked

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Enzo Manuel Mangano @reactiive.io · 06/03/2026

It’s easier than ever to bring your React Native app to life. Here’s how 🧵

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Enzo Manuel Mangano @reactiive.io · 03/03/2026

Design tip: always start with a donut. Source code → reactiive.io/demos

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Enzo Manuel Mangano @reactiive.io · 28/02/2026

SwiftUI modifiers landing in Expo 55 is quietly one of the best updates.

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Enzo Manuel Mangano @reactiive.io · 26/02/2026

Interactive demos speak louder than words. Finally reworked reanimate.dev to make the concepts click faster.

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Enzo Manuel Mangano @reactiive.io · 24/02/2026

3. The website is built with @expo.dev and powered by Skia, it ships to the web and still runs natively. That’s the best part.

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Enzo Manuel Mangano @reactiive.io · 24/02/2026

Creating a QR code in React Native should be fun. → qrcode.reactiive.io

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Enzo Manuel Mangano @reactiive.io · 18/02/2026

Shape morphing animations are so addictive. Just added a few to enzo.fyi

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Enzo Manuel Mangano @reactiive.io · 29/12/2025

11/ Skia can feel overwhelming to learn, but I’ve found that over the past three years, more than 50% of my Skia animations were built on a Skia Path, which has proven to be the most flexible component I’ve ever used.

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Enzo Manuel Mangano @reactiive.io · 29/12/2025

10/ ✦ Skia is the signature of memorable animations.

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Enzo Manuel Mangano @reactiive.io · 29/12/2025

7/ ✦ Treat every single tap like a miracle.

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Enzo Manuel Mangano @reactiive.io · 29/12/2025

6/ Prototyping a spring animation is hard. But with Reanimated v4, all you need to define a spring animation is a perceptual duration and a damping ratio (0.9 ↔ 1)

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Enzo Manuel Mangano @reactiive.io · 29/12/2025

5/ ✦ Define spring animations using perceptual duration.

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Enzo Manuel Mangano @reactiive.io · 29/12/2025

4/ That's not just easier. It's way more delightful, as you get the exact scrolling behavior the user expects.

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Enzo Manuel Mangano @reactiive.io · 29/12/2025

3/ By doing that, you’ll just lose the native feeling. What’s happening here instead is that there’s a single invisible ScrollView that lets you control all of them with one shared value.

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Enzo Manuel Mangano @reactiive.io · 29/12/2025

2/ When dealing with cards, it's very tempting to have full control by setting up a Pan Gesture Handler for every single one. But...

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Enzo Manuel Mangano @reactiive.io · 29/12/2025

My talk at @reactnativelondon.co.uk has just been published! I shared some tips for adding delight to React Native apps. 1/ ✦ Invisible ScrollViews 🧵

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Enzo Manuel Mangano @reactiive.io · 27/12/2025

Maybe it’s just fine to design with code

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Enzo Manuel Mangano @reactiive.io · 16/12/2025

You can have a lot of fun with Skia and Reanimated these days.

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Enzo Manuel Mangano @reactiive.io · 09/12/2025

It's hard to remember what React Native was like before Skia. Available on demos.reactiive.io ✨

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