Ruby • OSS Contributor • Developer Experience & Tooling • Creator of Herb 🌿 • Building ReActionView • @rails Luminary 2025 • Electronic music addict ✌🏼

Basel, Switzerland
Today is a big day for Herb! It's built into Rails 8.2 by default for all HTML+ERB views. My talk at #RailsWorld in Austin today answered three questions: What is Herb? What ships in Rails 8.2? And what does this enable? Herb v0.11 and ReActionView v0.6 released alongside it.
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Marco Roth retweeted
I've been reviewing a lot of code written by Opus 5.5, and it still seems to make a lot of bad software engineering decisions. The kind that will accumulate/calcify into unmaintainable software over time. IMO even the agents will struggle to maintain vibecoded software.
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Marco Roth retweeted
PlanetScale uses rails and we have out-shipped our competitors every year for the last 6 years
some of PlanetScale’s fastest growing customers are rails and laravel apps btw
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Marco Roth retweeted
❗❗❗ Hey fam, if you planned to join the SF Ruby Conference on Nov 10-11, you need to get a ticket before Monday morning to get a cool personalized physical badge. Join -> create a character in the game -> get a cool personalized badge luma.com/sfrubyconf2026
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Marco Roth retweeted
Ruby 4.0.8 Released ruby-lang.org/en/news/2026/1… This is a routine update that includes bugfixes. We recommend upgrading your Ruby version at your earliest convenience.
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You can now also play with tsrs from Ruby! github.com/marcoroth/tsrs-ru…
Introducing tsrs: a Rust port of the TypeScript compiler 🦀 We are not forking TypeScript! ◆ In close collaborating with the TypeScript team ◆ Up to 8x faster than TS 7.0 & ~70% less memory ◆ Runs in WASM, so it works in your browser & on Workers ◆ Soon part of the Oxc toolchain npx tsrs blog.cloudflare.com/typescri…
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Prism has been such an absolute joy to work with! Herb definitely wouldn't have been possible in the current form without Prism doing the hard work parsing Ruby! Thanks for the continued maintenance, Kevin! 🙏🏼🚀
Replying to @kddnewton
At this point Prism now powers pretty much everything in the Ruby community: {C,m,pico,J,Truffle}Ruby, Natalie, Spinel, Rubocop, Sorbet, Herb, etc. It's nice to see the community come together and agree on something.
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Marco Roth retweeted
Just released Prism v2.0.0. For the first time ever, Prism has no open issues, PRs, discussions, or redmine tickets. A couple of highlights below.
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Marco Roth retweeted
Autumn is here, and this can only mean one thing – it's time to kick off preparations for wroclove.rb 2027! 📅 Save the date: 23–25 April 2027 More news coming soon. See you in Wrocław! 🫶
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Marco Roth retweeted
TypeScript 7.1 Beta is now available! Now with a preview API, content mapper support, new features, and some great optimizations. Give it a try and give us some feedback! devblogs.microsoft.com/types…
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Marco Roth retweeted
If you know us, you know we love Ruby. @sfrubyconf was born out of our appreciation for the language and its community. It’s a conference for passionate engineers who are moving the ecosystem forward. We have talks from people at @Shopify, @GustoHQ, @Intercom, @withpersona, @AnthropicAI, @typesense, and more, plus the creators of RubyLLM, Herb, and Solid Queue. If you’re into learning from the brightest minds, having conversations that help build a better future, and making new friends, you won’t want to miss this. Read more about why this conference is for you: evilmartians.com/chronicles/…
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Marco Roth retweeted
The best part of #kaigionrails for me was getting to thank @marcoroth_ for ReActionView. We’ve been using it in production for our product, with custom Herb lint rules, since May. Excited about the possibilities Marco outlined for Herb and ReActionView!
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Marco Roth retweeted
Ruby Community Conference is back! 💎 RCC 2027 is heading to Berlin! 🇩🇪 📅 March 12, 2027 First details are live: rubycommunityconference.com/ Follow @RCConference for all upcoming announcements! Stay tuned! 🚀
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Marco Roth retweeted
The 2026 Ruby on Rails Community Survey results are live! For nearly two decades, we’ve kept a pulse on how the community has evolved. Thank you to everyone who took the time to share how you work. Here’s what you told us.
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Marco Roth retweeted
Just released Prism 2.0.0.rc1. If you use Prism through any language bindings, please test it out on your applications, this is a pretty massive changeset.
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