Rails upgrade ladder from 5.2 and 6.x to 8.1
Work through the Rails upgrade ladder with retained defaults, a tested 7.0 to 7.1 hop, a gem verdict sheet and explicit reader compatibility checks.
Tag: Ruby versions
Rails support calendar: 2026–2027 deadlines explained
The Rails support calendar separates bug fixes, security support and runtime requirements. Verified dates and package checks explain what each deadline requires.