Workers - Workers Builds now uses newer versions of Node.js, Python, Go, Bun, and more

Your builds now run on newer versions of Node.js, Python, Ruby, Go, Bun, Yarn, and Python package managers by default, so you get the latest fixes and features without changing your build configuration. Runtimes Runtime Previous version New version Override with Node.js 24.18.0 24.21.0 NODE_VERSION Python 3.13.3 3.14.8 PYTHON_VERSION Ruby 3.4.7 3.4.11 RUBY_VERSION Go 1.24.3 1.27.2 GO_VERSION Tools and package managers Tool Previous version New version Override with Bun 1.2.15 1.4.3 BUN_VERSION Yarn 4.9.1 4.18.1 YARN_VERSION pip 25.1.1 26.2.1 pipx 1.7.1 1.17.2 Poetry 2.1.3 2.4.3 uv 0.7.13 0.12.