📈 Small PRs, Big Speedups: The Ruby Performance Work You Almost Missed — A roundup of recent Ruby performance PRs covering strings, file handling, GC, concurrency, Prism, JITs, and more. It’s a neat snapshot of how much incremental performance work has landed in CRuby in the past year.

Maciej Mensfeld

Stop Juggling 5 Tools to Monitor One Rails App — Errors, performance, logs, uptime, host metrics — AppSignal covers your whole Rails stack. Auto-instruments Active Record, Sidekiq, Puma, and ActionView out of the box. Request-based pricing, unlimited seats. Free 30-day trial, no credit card.

AppSignal sponsor

Ruby Central Modernizes Its Bylaws (and Reshuffles Its Officers) — Ruby Central has rewritten its bylaws (PDF) to formalize participatory governance, committees, and transparency requirements. Five ‘steering committees’ will formally launch at RubyConf next month.

Ran Craycraft (Ruby Central)

Add Proc#with_refinements to Ruby — Ruby’s longest serving core team member (bar Matz!) has implemented block-level refinements, so extensions made to a class only take effect within a new proc returned by with_refinements, with the original proc unaffected. There’s a PR if you want to play.

Shugo Maeda

Beyond Mocked Payloads: End-to-End Stripe Webhook Testing — If you’re working on a Stripe-based billing system in a Ruby app, this is useful.

Daniela Baron

🚨 Rails 7.2: Security Support Ends Aug 9. Upgrade & Stay Compliant — Running EOL Rails risks HIPAA, PCI DSS, and SOC2 compliance. Map your upgrade with a team that's done it 100s of times.

FastRuby.io® | 0-Downtime Upgrades sponsor

Rails ERD 2.0: Turn Your Rails Models into a Diagram — After a few years dormant, Rails ERD is back to turn your modern Rails apps’ models into entity-relationship diagrams. Say goodbye to the complex Graphviz dependency; 2.0 uses the popular Mermaid format (which can render directly in GitHub READMEs).

Kerri Miller et al.

No New Migration. No New Gem. Just Faster Analytics — TimescaleDB extends Postgres. Hypertables, 95% compression, aggregates. No new migration, no new gem. $1000 credit.

Tiger Data (creators of TimescaleDB) sponsor

🤖 RubyLLM 1.16: Now with Concurrent Tool Execution — The popular do-everything LLM library can now execute multiple tool calls concurrently, emit ActiveSupport::Notifications events for observability, and support custom API endpoints for every provider.

Carmine Paolino

WhatLanguage 2.0: Natural Language Detection for 160+ Languages — I first released this in 2007 to detect ~20 natural languages using a Bloom filter approach. Now it’s been reimplemented and handles many more languages via a trigram-based statistical technique.

Peter Cooper