Tag: upgrade

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Oct 19, 2026wkelyson

Rails 8.0 loses security support on November 7: upgrading to 8.1 before the deadline

Rails 8.0 stops getting security patches on November 7, 2026. Here is what changes between 8.0 and 8.1, the seven new defaults and which ones can bite, and a dual-boot plan you can finish before the deadline.

Oct 15, 2026wkelyson

Upgrading from Ruby 3.4.4 to Ruby 4.0.3: a step-by-step guide for Rails apps

Ruby 4.0 is the first major version bump in over a decade, but most of the work is under the hood. Here is what actually breaks when moving a Rails app from 3.4.4 to 4.0.3, what you gain, and a phased upgrade plan you can run in a week.