# This Week in Rails: August 28, 2026

DevFeed: [This Week in Rails: August 28, 2026](<https://devfeed.tech/articles/this-week-in-rails-august-28-2026-3562.md>)

Original publisher: [Read original article](<https://rubyonrails.org/2026/8/28/this-week-in-rails>)

Author: Greg

Published: 2026-08-28T00:00:00Z

Content type: news

Language: en

Sources: [Ruby on Rails: Compress the complexity of modern web apps](<https://devfeed.tech/sources/ruby-on-rails-compress-the-complexity-of-modern-web-apps.md>)

Topics: [Web Development](<https://devfeed.tech/topics/web-development.md>), [Vulnerabilities](<https://devfeed.tech/topics/vulnerabilities.md>), [AI Chat](<https://devfeed.tech/topics/ai-chat.md>)

Tags: [agents](<https://devfeed.tech/tags/agents.md>), [html](<https://devfeed.tech/tags/html.md>), [models](<https://devfeed.tech/tags/models.md>), [news](<https://devfeed.tech/tags/news.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [pull-request](<https://devfeed.tech/tags/pull-request.md>), [qwen](<https://devfeed.tech/tags/qwen.md>), [updates](<https://devfeed.tech/tags/updates.md>), [vulnerabilities](<https://devfeed.tech/tags/vulnerabilities.md>)

## AI overview

A weekly Rails codebase update covering an open-source agent harness, new models, Ractor safety work, configuration changes, HTML-aware ERB support, relative i18n keys, and an attachment-caption XSS fix.

## Source excerpt

Hi, it's Greg. Let's explore this week's changes in the Rails codebase.