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We added Prometheus monitoring to Fast Retro and immediately spotted controllers with 200-400ms p95 latency. Here's how we traced them to N+1 queries and cut response times by up to 90%.

Use Rails 8.1's new job continuations to build a CSV import that survives worker restarts, picking up at the exact row it left off.

Jesse Waites - Developer, Designer, Mobile Developer, Product Designer

February 11, 2026 Compatibility, Protocol Changes, and Virtual Generated Columns in Rails 8.1 At Kaigi on Rails 2025, Rails Committer Yasuo Honda delivered a deep technical walkthrough titled: Rail…

Learn how to impersonate users in your Rails 8 app for support and debugging purposes with automatic expiration.

A more natural way to check if a value is in a collection

Learn how to dramatically speed up PostgreSQL full-text search by persisting TSVectors and using GIN indexes in Rails apps.

…or end up hunting for logic in jobs and controllers.

Putting a YouTube video inside a closed details element means it won't load until that details element is opened. We can use that.

Learn how to implement OAuth in a Hotwire Native application using bridge components

There’s a mass of data that holds a shape you can’t quite name.

Hello friends! I'd like to show you Ruby on Rails concepts I refreshed this week to Avoid Social...

Discover why Ruby on Rails remains the go to framework for building MVPs quickly and efficiently, helping startups validate ideas and reach market faster.

The DBA’s Guide to Music Matching - pg_trgm and pgvector with 100K Spotify Albums - The Problem: Dirty Input vs...

A practical workflow for coding with AI on brownfield and greenfield Rails applications. Covers context generation, layered documentation, pattern synthesis, and maintaining code quality.

There’s a kind of polite fiction at the heart of the software industry. It goes something like this:

Creative ideas for speeding up queries in PostgreSQL

Use the new retry_on error argument to build intelligent retry strategies that respect rate limits, handle transient failures, and fail fast on unrecoverable errors.

Rails Generate Model: Beginner’s Guide to Database Models in Ruby on Rails for creating clean, scalable, and maintainable apps efficiently.

I’ve been working heavily with RabbitMQ message broker infrastructure recently to coordinate events between two Rails applications. The event work involves maintaining synchronized data between specific shared data. In the past, I’ve implemented a find_or_create_by style of idempotent backfilling required associations. Today I learned about a separate syntax via create_with for presetting record creation attributes.

Rails 8 eliminates Redis from the default stack. Learn how SolidQueue, SolidCache, and SolidCable replace Redis for job processing, caching, and real-time updates—powered entirely by PostgreSQL. Explore the true cost of Redis, how SolidQueue works, when it scales, and how to migrate from Sidekiq to a simpler, Redis-free Rails architecture.

… and check why 5600+ Rails engineers read also this

To skip validations for particular contexts, Rails added `except_on` option for validations and callbacks.

Here are the key rules from my AGENTS.md file that make plan mode effective.

This is my personal site, where I write about Ruby, programming, and any of my varied fascinations.