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Rails 7 End of Life: Pick Your Exit
Rails 7.1 got no patch for CVE-2026-66066, a CVSSv4 9.5 pre-auth RCE. How to find every app of yours on a dead branch and pick between four realistic exits.
· JetThoughts
Rails CVE-2026-66066: Patch Isn't Enough
CVE-2026-66066 lets an unauthenticated upload read server files via Active Storage. Patching Rails is not enough - libvips must go to 8.13 and secrets rotate.
· JetThoughts
Kamal 2 Multi-Server Deployment Guide
Deploy Rails across multiple servers with Kamal 2: roles, the load balancing gap, boot limit gotchas, the multi-host SSL error, and when one big box wins.
· JetThoughts
Solid Queue: Retries, Concurrency, Monitoring
Production patterns for Solid Queue: custom retry strategies, concurrency tuning, worker pool sizing, dead letter queues, and monitoring. Working Rails 8 config examples.
Rails CVE-2026-41316: Detection and Patch
CVSS 8.1 universal RCE chain through ERB::DeprecatedInstanceVariableProxy and Marshal.load. Detection, upgrade path, Rails 7.0/7.1 EOL options.
· JetThoughts
Rails 8.1: Subscribe to Events, Skip Logs
Rails 8.1 replaces log parsing with structured events. Wire ActiveSupport::Notifications to Datadog, New Relic, or Prometheus - no regex required.
· JetThoughts Team
Active Job Continuations in Rails 8.1
Rails 8.1's ActiveJob::Continuable resumes long jobs from their last completed step. How to wire it in, when not to, why Kamal deploys stop losing work.
· JetThoughts
Solid Trifecta: When to Keep Redis in Rails 8
Rails 8 defaults to Solid Cache, Solid Queue, and Solid Cable. Most apps don't need Redis anymore. Some still do. Here's how we decide which workloads stay.
· JetThoughts
Ruby on Rails Performance Optimization Patterns for 2026
Concrete benchmarks and patterns for Rails performance in 2026 - YJIT speedups, Rails 8 query optimization, Redis caching, and N+1 elimination.
· JetThoughts
Rails `has_secure_password` with Argon2: Complete Migration Guide
Step-by-step guide to enabling Argon2 with has_secure_password in Rails. Migrate from BCrypt with zero downtime using the Hybrid Verifier pattern in production.
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