Changed

• Use of JS constant is now deprecated. The constant has been renamed to Opal::Raw. Throw a warning if such a constant is in use (#2525)

Fixed

• String#chars: Fix iteration over out-of-BMP characters (#2620)
• Fix Array#include? to respect nil return value (#2661)
• Fix opal-build command line utility for newer Ruby versions (#2675)
• Depend on base64 gem for Ruby 3.4 compatibility (#2652)

Internal

• Ensure we default to later Ruby versions in CI (#2624)
• Unassorted CI/Rubocop/testing system changes (#2676, #2654, #2644, #2631, #2627, #2626)