5️⃣ Denis Lifanov from @evilmartians.com published an article on migrating 750GB of data from PostgreSQL to PlanetScale MySQL for @WhopIO with zero downtime, maintaining feature development throughout.

Huge thanks to the @evilmartians.com team and @inazarova.bsky.social in particular for organizing the SF Ruby Conf. Kudos to the sponsors: Chime, @bolt.new, Cisco, gusto, @temporal.io, @scoutmonitoring.bsky.social, @planetargon.com, @hackclub.com, @gitbutler.com, and others. sfruby.com.

We analyzed 300+ startups founded in 2024 and thousands of @github.com repositories to learn why @react.dev maintains dominance. Should your startup follow the crowd or go a different route? evilmartians.com/chronicles/w...

New blog post! Whop powers thousands of creators and communities. When big influencers (millions of subscribers) brought their communities, real-time features—chat, notifications, feeds—it pushed Postgres to the edge. The DB was the bottleneck killing Whop’s scaling efforts.

Come join me at SF Ruby, I think the program looks great!

Today is the last day to grab a GA ticket for SF Ruby! Read our new blog post for a preview: evilmartians.com/chronicles/w...

Heading back to SF next month for sfruby.com. @planetargon.com is sponsoring, and I’m hoping to meet teams giving their software a second act. Thanks to @inazarova.bsky.social and the @evilmartians.com crew for the Cloud Card of me. Tickets and details → sfruby.com

Made a new PostCSS plugin for generating more realistic smooth shadows like on smoothshadows.com Now designers usually rely on generators, but the resulting code is often hard to maintain. github.com/postcss/post...

An excellent guide to creating a search function on a website using @astro.build and @svelte.dev. Thanks to this guide by Evil Martians, we have implemented a search on the ESLint Perfectionist website. It will be released soon. 🚀

Agentic traces contain perfect info about agent behavior with every plan, action, and retry. But it’s lost in a sea of JSON. So we built AgentPrism: open source React components that turn traces into visual diagrams for debugging agents. Plug in OpenTelemetry data and see your agent’s process.

Your snappy statically generated @astro.build site deserves a search that likewise feels instant. Here’s how to get build-time indexing and client-side search that’s fuzzy, performant, and accessible. evilmartians.com/chronicles/h...

The Martian summer was not to be missed: open source, blogs, podcasts, talks, meetups, and getting ready for SFRuby, Nov 19-20. Read this one and catch up. evilmartians.com/chronicles/m...

🚨 Free Font of the Month 🚨 Martian Grotesk by @evilmartians.com Ideal for use on the web, the typeface’s vertical metrics guarantee equal space above and below text, enabling text labels to be positioned evenly on buttons. ↳ Download link (at the bottom of the page): buff.ly/vcWXjg0

Use Vite & TypeScript to build a true API-first repository command center. Get a dedicated contract-first documentation workflow, keep contracts the single source of truth, cut bottlenecks & give your team a fast, reliable way from design→implementation. evilmartians.com/chronicles/c...

Why is accurately detecting the Safari/iOS versions you’re dealing with key for modern web dev? Find the answers + our tips on painlessly identifying Safari/iOS versions in this new post! evilmartians.com/chronicles/h...

The best funnel builder on the planet, ClickFunnels is one of the largest Rails monoliths. Together, we fixed a problem that isn't always a priority, but which has productivity costs that can be an annoying drain if allowed to multiply: flaky tests. evilmartians.com/chronicles/f...

Thank you, @euruko.org 2025 and beautiful Viana do Castelo for the fantastic event, execution and energy of the Ruby community! From so many @evilmartians.com 💙

Every large enough Rails app has extracted some services for performance and scalability reasons. You can do this without losing the joy of building with Ruby and Rails. Keep the recipes in Ruby, and only upgrade the "dumb" (unaware) kitchen tools. Here's how.

Scaling Rails doesn't have to mean rewrites or microservices. Read this new post to see how and why to keep your business logic in Ruby, while firing up your kitchen with Go, C, and Rust! evilmartians.com/chronicles/b...

‼️ Friends, please pay attention: grep -r "const _0x112" node_modules if you found it, don't panic: update dependency remove npm cache

⚠️critical CVE in set of popular NPM packages: socket.dev/blog/npm-aut.... They contain malware that injects code & replaces transaction addresses; user wallet funds redirect to attacker-controlled addresses! check malicious versions in projects’ node_modules: “grep -r "const _0x112" node_modules”

12 years of PostCSS → 400M+ downloads/month. Lessons from the journey: collaborate early with other maintainers, keep libraries build-free for easier debugging, and focus on simplicity. Great read on OSS longevity 🌟 #OpenSource evilmartians.com/chronicles/w...

Evil Martians cut Whop’s CI time in half in one week. This post walks through profiling to find hidden loggers, taming factory overhead, switching to smarter parallelization, and fixing the flaky tests that surfaced along the way. evilmartians.com/chronicles/t...

⚡️ Irina Nazarova (@evilmartians.com): Cutting CI Build Time in Half for Whop ⚡️ Sergey Karayev (Superconductor ): Getting the Most out of AI Coding Agents for Your Rails App Grab it here: youtu.be/IMAABWxnbUM

New post on adding Luau support for JetBrains IDEs! Covers how to balance PSI and LSP approaches + hurdles and gotchas to watch when adding a language to @jetbrains.com IDEs. evilmartians.com/chronicles/t...

I started a new open source project: Multiocular shows what’s changed in your node_modules after dependency updates. Right now it just shows a diff, but I have many of idea. It is part of my long-running fight against Supply Chain Attacks. github.com/multiocular-...

From lexers and parsers to PSI trees, building language support in IntelliJ is a path full of pitfalls and possibilities. This post is a guide for anyone staring down that road! evilmartians.com/chronicles/t...

Active Push gem launched by @JacopoBeschi @evilmartians.com wrote about Rails Renaissance @yarotheslav.bsky.social shared about how to use email_image_tags @davidteren talked about flunk and fail_after in minitest @beautifulruby.com shared about Phlex components and a lot more code samples

Ruby and Rails startups manage to inspire me every single day, thanks to @evilmartians.com. My dream is that they inspire YOU too. And it's happening! Here are the first ten Ruby startups that will demo their products at the #SFRuby conference in November, to inspire and connect with you all 💙

Huge shoutout to our team for helping me turn the RailsConf talk and lots of thoughts into this post about the cycles that technologies and innovation go through, why Rails emerged after a big drop in visibility, glimpses of what the future holds–and our roles in it!

Rails is thriving. Read how Ruby on Rails survived the hype cycle, why startups are still betting on it, and what it means for your next project. evilmartians.com/chronicles/t...

Adopting a circuit breaker pattern from day one? Our new post explains this approach and how it can now fit into Ruby projects of any size. Plus, we showcase a gem to help you contain cascading failures before everything flat lines. evilmartians.com/chronicles/c...

I was impressed by how smooth the CFP process felt for SFRuby. So I'm glad this is now open source! It's fun to poke around in there, particularly that they're using Associated Objects in one place 🥳 github.com/evilmartians...

We’re launching a new series of full open source apps, starting with Redprints CFP, built with Rails + Inertia.js! It powered our SF Ruby Conference’s proposal management process. Now, it’s your turn! evilmartians.com/chronicles/r...

We share what have we learned creating PostCSS and the huge ecosystem around it. Get 8 key lessons from @en.sitnik.ru, creator of PostCSS. evilmartians.com/chronicles/w...

Early bird and Supporter tickets for the San Francisco Ruby Conference just went on sale! lu.ma/sfrubyconf2025

Turbo navigation with DOM morphing and other sleek UI techniques for Hotwire/Turbo from Vova Dementyev and team @evilmartians.com ⚡️ evilmartians.com/chronicles/h...

Had a great chat with Irina Nazarova ( @inazarova.bsky.social ) from @evilmartians.com, on the latest episode! We dive into RailsConf, but also explore what’s next—like the importance of local meetups and Irina launching the San Francisco Ruby Conference. www.odetorailsconf.com/2363110/epis...

🙏

Irina Nazarova, CEO of @EvilMartians.com 👽 & organizer of the SF Ruby Conference (Nov 19-20), has been leading the revival of Ruby in SF & across the startup ecosystem. We interviewed her about SF Ruby, new startups using Rails, & her #RailsConf talks. 💎 Watch now: www.youtube.com/watch?v=7HNY...

next up: privacy-preserving and local-first alternatives to GDPR cookie popups by @en.sitnik.ru at @evilmartians.com #ReactNorway #ReactNorway2025

Check out this interview!

Friends, Today we're announcing the San Francisco Ruby Conference taking place on November 19-20! A super special event brought to you by @evilmartians.com and our first sponsors, deeply committed to Ruby and Rails— Chime, @bolt.new and Gusto ❤️ #SFRuby

We at @evilmartians.com created palette generator for designers, based on the most advanced color math (OKLCH, APCA), which we’ve started to understand well. harmonizer.evilmartians.com Here’s a video example of how to use it. www.youtube.com/watch?v=7nvw...

Founders, forget the “AI requires massive resources” myth! Recraft is a lean female-led team that went from idea to $30M Series B by zigging when the giants zagged. Smart constraints = superpowers.

Working with Medplum confirmed what many devtools founders know: pitching a product to industry buyers is the real challenge. Their ace team built an impressive open source healthcare platform—we helped reframe how they showcase value to medical decision-makers. evilmartians.com/chronicles/d...

resisting the urge to whoop and holler at every one of @en.sitnik.ru's #sveltesummit slides - brilliant and important talk

Martians live on stage at Figma Config right now! Come check out the future of color! config.figma.com/san-francisc...

Martian CEO @inazarova.bsky.social is talking to founders choosing Rails and @marckohlbrugge.com was an obvious success story. And his advice isn’t about “hustle” or “grit” ...but curiosity, speed, and a willingness to be publicly wrong.

Using SaaS for image processing comes with plenty of risks. Your post-paid bill may badly surprise you after a sudden traffic spike, bug, or DDoS attack. Pricing can work differently: pre-paid, no “per-image” billing, soft limits. buff.ly/QtQpjQb