Ruby 3.4 frozen string literals: What Rails developers need to know
Ruby 3.4 Frozen String Literals: What Rails Developers Actually Need to Know Ruby 3.4 takes the first step in a multi-version transition to frozen string literals by default. Your Rails app will continue working exactly as before, but Ruby now provides opt-in warnings to help you prepare. Here’s what you need to know. The Three-Phase Transition Plan Ruby is implementing frozen string literals gradually over three releases: Ruby 3.4 (Now): Opt-in warnings when you enable deprecation warnings