Ernesto Tagwerker

Ernesto Tagwerker

@etagwerker.com

Proud Father. Loving Husband. #OpenSource Maintainer. Pronouns: He/Him. Also: Founder & CTO at @ombulabs.ai & @FastRuby.io.

228 followers73 following120 posts

Ernesto Tagwerker reposted

This is your reminder that there's no such thing as a perfect candidate and while complaining is totally valid, harm reduction is incredibly important and you should still vote! ❤️❤️❤️

I'm now calling the Reddit comments section the Dunning-Kruger section. Confidently stated, plain wrong takes, stated as facts now get 12k upvotes. Source? Trust me bro. #Reddit

It’s funny that a new OSS project was created to reduce duplication by duplicating the goal of an existing OSS project that’s been around for 10+ years. #oss #ai #ruby

This week I'll be in Austin (TX) for the first time, attending #RailsWorld for the first time too! 🚀 I'm looking forward to catching up with old friends and meeting new #RubyFriends

View full thread

This week I'll be in Austin (TX) for the first time, attending #RailsWorld for the first time too! 🚀 I'm looking forward to catching up with old friends and meeting new #RubyFriends

Ernesto Tagwerker reposted

Ernesto Tagwerker reposted

Friendly reminder to JRuby users out there: JRuby dev is now funded almost exclusively by support services from headius.com/services, delivering priority bug fixes, security SLAs, codebase and performance help under NDA, and much more. Sign up today or ping me for more info... and tell your friends!

headius.comJRuby Support ServicesEnterprise JRuby support, consulting, and priority bug-fixing from the core developers who built it. 20+ years of JVM and Ruby expertise.

Ernesto Tagwerker reposted

Ernesto Tagwerker reposted

Hanami 3.0 wouldn’t be so full of goodness without the support of our sponsors. Rubyists deserve choice, and these fine companies are helping make it happen. Thank you to @mike.contribsys.com, @baweaver.bsky.social, @honeybadger.io, @fastruby.io, @appsignal.com, and @serpapi.com!

Hanakai@hanakai.org

Hanami 3.0 is here and in full bloom 🌸 This is our most complete release yet: mailers, i18n, and Minitest now built in, your apps faster by default, and plenty more! hanakai.org/blog/2026/06...

Ernesto Tagwerker reposted

Our friends over at @fastruby.io have posted a nice compatibility matrix for JRuby versions, covering Ruby and Rails compatibility. Check it out to learn how the versions line up or if you haven't already discovered how JRuby can help you run Ruby and Rails better! www.fastruby.io/blog/jruby/r...

fastruby.ioJRuby & Rails Compatibility Table - FastRuby.io | Rails Upgrade ServiceA complete table showing the compatibility between JRuby and Rails across each version, including the Ruby language level and the Java version that each JRuby line requires.

Ernesto Tagwerker reposted

Interesting demo by Bryan Helmkamp explaining its core principles: * Deterministic root - Rules not suggestions * Multi-model - Frontier, cheap, or local * Al / Code/ Humans -Play to each strength

Ernesto Tagwerker reposted

The theme for tonight’s Artificial Ruby NYC meetup is Agent Orchestration. Excited to learn from these amazing speakers! 🤖 #AI #AgenticAI #Ruby

Ernesto Tagwerker reposted

Ernesto Tagwerker reposted

Ruby 3.3 enters security maintenance phase today until end of March 2027. Ruby 3.2 reaches EOL in 5 days. Are you all caught up with your Ruby upgrades? If not, get in touch so we can help! 🚀 #Ruby #DevSecOps #RubyLang #EOL

hsbt@hsbt.org

Ruby 3.3.11 has been released. ruby-lang.org/en/news/2026... Ruby 3.3 enters security maintenance phase today until end of March 2027. So, this is the final normal maintenance release. Please start planning to upgrade your Ruby version to Ruby 3.4 or 4.0.

View full thread

Part of the process will involve testing our #OpenSource Claude Code Rails Upgrade Skill and improving it based on a real problem: Upgrading a Ruby on Rails application from 7.0 all the way to 8.1. #ClaudeCode #TechDebt

View full thread

Since 2018, we’ve spent more than 60,000 developer hours upgrading #Ruby and #Rails applications. Over time, we’ve developed a structured process and a set of best practices to make these upgrades safer and more predictable.

Ernesto Tagwerker reposted

Really thankful to have FastRuby.io on board with us this year! ☺️ Jess and I got to interview @etagwerker.bsky.social back in December to hear how their team is working in the age of AI. www.indierails.com/69

fastruby.ioRails Upgrade ServiceHire us to upgrade your Rails application: We wrote The Complete Guide to Upgrade Rails. Outsource upgrading Rails. Let us help with Ruby and Rails maintenance!
Blue Ridge Ruby@blueridgeruby.com

We're happy to announce our newest sponsor for 2026! @fastruby.io (a service of @ombulabs.ai) offers Ruby/Rails upgrade services, performance and security audits, and fixed-cost monthly maintenance. Thank you so much for your support! ☺️