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wire 2026-08-26
stories 17
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$ the-wire · showcase

Rail's ERB Gets an HTML-Aware Overhaul

By RepoJournal · Filed · About Rails · Composed from the cited sources · methodology

Jean Boussier marcoroth Luiz Eduardo Kowalski fatkodima
4 people shipped this
Jean Boussier @byroot 2 cited marcoroth @marcoroth 1 cited Luiz Eduardo Kowalski @luizkowalski 1 cited fatkodima @fatkodima

A new HTML-aware ERB engine is landing in Rails, and it could change how you write templates.

The big news is the proposed Herb engine [1], which parses HTML and ERB into a single syntax tree, using Prism for the Ruby parts, promising a more semantic understanding of your templates. Jean Boussier is also shipping fixes across the stack: a RedisCacheStore bug with redis-client that broke clear and stats [2], a PostgreSQL exclusion constraint parsing fix for multiline expressions [3], and in Sprockets, a fix so the "ignore_mtime" option is properly inherited between environments [4], all culminating in the 4.4.1 release [5]. These are the maintenance touches that keep production humming, and Herb is the one to watch for the future.

$ ls rails/reviews/ # the step-back reads

the week in review Ractor-ready Active Record and Active Job land in Rails the month in review Herb becomes Rails 8.2 default
Full archive → Weekly reviews →

Quick answers

What shipped in Rails on August 26, 2026?
A new HTML-aware ERB engine is landing in Rails, and it could change how you write templates. In total, 12 commits and 5 pull requests landed.
Who contributed to Rails on August 26, 2026?
4 developers shipped this update, including marcoroth, Jean Boussier, Luiz Eduardo Kowalski, and fatkodima.
What were the notable Rails updates?
Add Herb as an HTML-aware ERB implementation, Fix RedisCacheStore clear and stats with redis-client, and Fix PostgreSQL multiline exclusion constraints.
♥

$ log @rails --recent

Attribute-read regression fixed, decimal numericality corrected 79 shipped in_order_of double-serializes values, id_value alias restored 50 shipped Inlined attribute writers, leaner ActiveRecord::Key 31 shipped MySQL 5.6 falls off the support floor as Arel stops rebuilding literals 27 shipped

$ log --all # elsewhere on the wire

Alignment & Post-training verl standardizes low-precision rollout kernels on DeepGEMM Agent Security Guardrails exposes hooks over HTTP, certifi floor raised in agent-scan

$ ls showcases/

Safety Evals AI Red Teaming Agent Security Interpretability Alignment & Post-training

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