Rails News

  • This Week in Rails: August 28, 2026

    Hi, it’s Greg. Let’s explore this week’s changes in the Rails codebase. Agents on Rails: lemans goes open source Another week, another update from Agents on Rails. This one is...

  • Agents on Rails: lemans goes open source

    Another week, another step for Agents on Rails. This one is a big one: lemans, the harness behind every number we’ve published, is now open source. We also ran four...

  • Banner or no banner, that’s the question

    Hi, it’s Claudio Baccigalupo. Let’s explore this week’s changes in the Rails codebase. Add –no-banner to bin/rails console I love seeing the Rails logo when I run the console. If...

  • On Rails — Joanna Wang: Code Is Cheap Now; Developers Still Valuable

    Joanna Wang is a senior software engineer at Sixfold, where the team builds AI underwriting tools that help insurance companies gather data and assess risk. She came to Ruby on...

  • Agents on Rails: Grok 4.6, GLM 5.3, Gemini 3.7 Flash, and Opus 4.8

    Last week we launched Agents on Rails and published the first benchmark report. The response was immediate: suggestions, questions, model requests, and more than a few “but have you tried…”...

  • Agents on Rails, query method and more

    Hi, Wojtek here. Let’s explore this week’s news in the Rails. Agents on Rails Read the announcement and the first benchmark report. Add support for the HTTP QUERY method QUERY...

  • Agents on Rails: the first benchmark report

    TL;DR We ran 8 models against 21 atomic Rails tasks, 3 runs each. Every task runs against Writebook: a bug report, a security finding, a feature request, each written the...

  • Agents on Rails: The LLM Benchmark Project

    Today we’re sharing the first results of Agents on Rails, a new, ongoing initiative to measure how well today’s leading agentic coding tools (both frontier and open-weight) actually perform on...

  • `alias_attribute` is back, pluck on unsaved records, and more!

    Some things that should have worked all along finally do… like alias_attribute in associations, pluck on unsaved records, search_field with autosave: true. The rest of the week went into sharper...

  • Rails World 2026 update: Matz is coming to Austin

    Hi everyone! Rails World 2026 is just 47 days away, and we have a few fun updates for you. If you haven’t already, you can grab your ticket here. Now...