#796 — April 16, 2026 |
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Ruby Weekly |
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TruffleRuby 34: The Fastest Ruby 3.4 Implementation? — TruffleRuby is a high-performance Ruby built upon the JIT-heavy GraalVM, designed for dynamic languages. v34 brings Ruby 3.4 support (97% of ruby/spec) implementing every item in the 3.4 changelog, plus significant efficiency improvements. Daloze, Menard and Konchyn |
💡 I’ve been impressed by TruffleRuby. It supports many native extensions, runs most apps unchanged, and can deliver 10×+ speedups over CRuby on the right workloads, at the cost of slower startup. Worth a try. |
Why FastRuby? "Their Services Are as Essential as Hosting" — How a Solo SaaS founder got fed up chasing contractors and switched to Bonsai. With fixed-cost maintenance, he got reliable Rails upgrades with minimal oversight. "I can't imagine doing business without this partnership." See how it works. 🚀 Bonsai by FastRuby.io® sponsor |
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RubyGems.org Now Has a Public Roadmap — The RubyGems repository is a big project with lots of moving parts, but it’s been hard to keep track of what they’re working on. Now, we can see what’s in the pipeline, including SBOM support, the ability to report suspicious gems, and making organizations generally available. Colby Swandale (RubyGems) |
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⚡️ IN BRIEF:
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The Gemfile of Dreams Returns for 2026 — This long-running living article distills several developers’ wisdom into a curated selection of useful libraries for building modern Rails apps. Strong recommendations of good dependencies. Evil Martians |
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Vite on Rails Without the Proxy — The frontend build tool Vite runs a dev server. Propshaft (Rails’ asset pipeline) expects files on disk. They’ve struggled to share a stage without a Rack proxy (like Vite Ruby), but rails_vite makes their apparent incompatibilities seamlessly disappear. Svyatoslav Kryukov |
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Coffee Time Webinar: AI Harnesses — On April 22 at 2 pm ET, senior devs will discuss AI approaches and why constraints are key to agentic coding outcomes. Test Double sponsor |
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📉 TestProf 1.6 and Surprising Finds From Profiling 30,000 Specs – A writeup of halving the runtime of a 30k-spec test suite, plus the work behind TestProf 1.6. Vladimir Dementyev 📄 Approaches to Debugging Query Performance in Rails – A tour of techniques and gems, as well as tools for MySQL, Postgres, and SQLite. Amol Joshi 📄 Use Rails Combined Credentials – How to handle credentials the modern Rails 8.1 way. Andy Croll 📄 Migrating a Rails App from Heroku to Railway Juan Vasquez (FastRuby) |
🛠 Code & Tools |
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CovLoupe: SimpleCov Coverage for Terminals, Scripts, and Agents — Provides a more accessible interface to the JSON output produced by SimpleCov via a CLI app, MCP server, or methods you can use in Ruby itself. Keith has ▶️ a screencast showing it off. I used it on my PureJPEG library and it was useful. Keith Bennett |
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RailsPress: A Rails Engine for Blogging and Content Management — A mountable engine for Rails 8 that gives you blogging, CMS, and structured content management without building it from scratch. Think WordPress-style content management, but native to Rails. Avi Flombaum |
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44 Postgres Talks To Choose From All in One Free, Virtual Event — Join POSETTE: An Event for Postgres 2026, a free & virtual Postgres developer event, 16–18 Jun. Check out the schedule. Microsoft | AMD sponsor |
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📄 HexaPDF 1.7: PDF Generation and Manipulation in Ruby — A versatile PDF creation and manipulation library. There are lots of examples. Now with smart text extraction for text laid out on pages, plus ECDSA and DSA digital signing support. AGPL licensed with a commercial option. Thomas Leitner |
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Spree 5.4: The Rails-Based Ecommerce Platform — A mature, open source Rails ecommerce system that’s gone API-first and now plays nicely with modern JS frontends, adding a TypeScript SDK and Next.js starter. Spree Commerce |
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