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Frank van Puffelen

@puf.io

600 followers 190 following 1.4K posts

People + Tech = 🎉 🇳🇱 NL born, 🌁 SF based Currently: FlutterFlow 💜 Previously: Firebase & Flutter @ Google 🔥💙

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Frank van Puffelen @puf.io · 2h

📖 The Forest of Lost Souls - Dean Koontz

Fast-paced underdog-versus-bully story where a woman uncovers the conspiracy behind her fiancé’s death. Engaging﹠straightforward plot, but the supernatural elements felt out of place. Enjoyable read.

★★★☆☆
puf.io/books/the-for...

Frank van Puffelen @puf.io · 7h

I mean - don't get me wrong - I like Rush, but... this is a bit much folks! 💵

Frank van Puffelen @puf.io · 1d

Some parts hit hard, but the ending left me...mixed. Think Frodo and Sam at Mount Doom—but less satisfying. A decent-but-not-great finish to an otherwise gripping trilogy.

★★★★☆

Full review: puf.io/books/the-bur...
3/3

Frank van Puffelen @puf.io · 1d

In The Burning God, the pace stays fast, and the world-building keeps deepening. After two books of war and rise-to-power, this finale brings closure - with major character deaths and weighty consequences.

Verdict and links 👇 in 🧵
2/3

Frank van Puffelen @puf.io · 1d

📚✝️🔥 Just finished The Burning God, final book in R.F. Kuang’s The Poppy War. If you’re into dark, high-stakes fantasy with gods, war, and power struggles - this trilogy delivers.

🎧 Audiobook narrated by Emily Woo Zeller, published by HarperAudio.

More 👇 in 🧵
1/3

Frank van Puffelen @puf.io · 1d

Find your most expensive and slowest Firestore queries with the (relatively) new query insights panel in the Google Cloud console.

I've already been using this on my projects, leading to both a better experience for my users and a lower bill for me! 🙌

cloud.google.com/fir...

Frank van Puffelen @puf.io · 1d

> You aren't verified yet ✅

From that "yet" in there, they seem rather certain that it'll happen some day. 😂

Frank van Puffelen @puf.io · 2d

🥩 San Francisco's Tenderloin Museum celebrates the neighborhood’s gritty history, from concert halls and SRO hotels to Herb Caen’s famous line:

> Any city that doesn’t have a Tenderloin isn’t a city at all

Small in size﹠price, but packed with stories.

puf.io/socials/2025-...

Frank van Puffelen @puf.io · 2d

💙 Is there a good Record & Replay Debugger or Time-Travel Debugging (TTD) for Dart/Flutter?

So where you instrument the app/service on deploy, and it then always records state. When there's a crash, you can then step through the state changes leading up to that (in a debugger).

Frank van Puffelen @puf.io · 2d

😂

Frank van Puffelen @puf.io · 3d

Oh, and of course I am renewing. Duh... 😂

Frank van Puffelen @puf.io · 3d

I got an email from @fedicaHQ about the upcoming renewal of my paid plan. I already loved Fedica, but a heads up before charging me definitely also helps.

If you sell subscription software, don't silently renew 'm! Instead, be like Fedica and give your subscribers a heads up 🙏

Frank van Puffelen @puf.io · 4d

More Hearts in San Francisco sculptures from my recent walks:

🍊 City Fruit by Sirron Norris at Sutter Health
💎 Chrome heart in Francisco Park
🍵 Tea Time with Laine, once on Union Square, now in New Hampshire

More hearts, more photos, more ❤️
puf.io/socials/2025-...
2/2

Frank van Puffelen @puf.io · 4d

If you’ve ever walked around San Francisco, you’ve probably seen these big heart statues - like Butterflight on Union Square. ❤️🗿🌁

There are 100+ of them all over the city. Read on for a few I saw on recent city walks.
🧵👇
1/2

Frank van Puffelen @puf.io · 4d

I'm trying to upload a passport pic to an airline website to expedite check-in.

> Your passport has punched holes.

Note: there are no holes in my passport, the pic is clear.

I guess this is gonna be one of those "human in the loop" situations. :-)

Frank van Puffelen @puf.io · 4d

🔥+💥+🕸️ = 🚀
The Firebase team is considering adding support for web apps to Crashlytics, and is looking for what features to prioritize.

I have no idea why they're gathering feedback on gitHub, but... go forth and comment/vote please!

RFC: Web Observability with Crashlytics · firebase/firebase-js-sdk · Discussion #9273

You may have seen some telemetry PRs floating around the firebase repos. The rumors are true, we’re working on web observability in firebase! The goal of this RFC is to get your feedback on what a ...

Reposted by Frank van Puffelen

Tako Schotanus @5esse.bsky.social · 5d

Just wanted to introduce jpm here on Bluesky
github.com/codejive/java-jpm
It's a dependency manager for #java and other #jvm based languages somewhat inspired by npm.

GitHub - codejive/java-jpm: A simple command line tool, taking inspiration from Node's npm, to manage Maven dependencies for Java projects that are not using build systems like Maven or Gradle.

A simple command line tool, taking inspiration from Node's npm, to manage Maven dependencies for Java projects that are not using build systems like Maven or Gradle. - codejive/java-jpm

Frank van Puffelen @puf.io · 5d

I did a fireside chat with @StartupWeekend a few weeks ago, and had a blast sharing DevRel "war" stories about over-subscribed events, always being camera safe, and earning developer trust by nurturing empathy.

No slides, just talk.

Full video:

Puf on DevRel, Firebase growth, events, and the new era of "vibe coding"

– A candid fireside chat with Frank "Puf" van Puffelen and host Yurii Filipchuk about what actually drives Developer Relations, how Firebase scaled from 100k to millions, why trust beats hype, and how to run events that matter. It’s practical, story packed, and built for people who lead communities

www.youtube.com

Frank van Puffelen @puf.io · 5d

Oh, I'm not sorry at all: 3 stars is still a totally worthwhile read for me. The guy was a brilliant scientist and teacher, and I'll gladly read book 2 too. :)

Frank van Puffelen @puf.io · 6d

🌁🐋 Meet Street Whale - a 49-ft public artwork by Reuben Rude on the JFK Promenade in Golden Gate Park. Tail + hump rise above ground, the rest painted across the street. Part of the Golden Mile Project in San Francisco.

More on: puf.io/socials/2025-...

Frank van Puffelen @puf.io · 6d

I had to laugh way too loud at seeing myself on that wall. Please don't ever do that for reals. 😂

Frank van Puffelen @puf.io · 6d

So that fumbling is no longer needed. Just all stay unmuted and have one in the room slide their volume up, and Meet figures it out automatically.

Frank van Puffelen @puf.io · 7d

This new Google Meet feature is called Adaptive Audio, and it's seriously a 🤯 level change to the usability. No more audio feedback loops (ever?)!

support.google.com/m...
2/2

Frank van Puffelen @puf.io · 7d

🎙️ Are multiple attendees joining your Google Meet call from the same room?

They can now all stay unmuted, and Meet auto-selects the best microphone for each speaker. It's cool to note quality difference when it switches microphones, but also easy to get used to.

👇🧵
1/2

Frank van Puffelen @puf.io · 7d

What's your favorite editor for Mermaid charts?

How do you render them?