Rails 5.2 implements Content Security Policy DSL
Rails 5.2 introduces a DSL to define content security policies (CSP), protecting applications from cross-site scripting (XSS) and other attacks.
GAURAV VARMA
Rails 5.2 rolls out Credentials for encrypted secrets
Rails 5.2 introduces a secure way to manage credentials using a single encrypted YAML file, replacing secrets.yml and config secrets.
Rails 5.2 supports HTTP/2 Early Hints for faster pages
Rails 5.2 adds support for HTTP/2 Early Hints to speed up page loading by preloading assets before the full response is ready.
Rails 5.2 adds built-in Redis Cache Store support
Rails 5.2 adds a new built-in Redis cache store, enabling developers to use Redis directly as a cache backend without external gems.
Rails 5.2 introduces ActiveStorage for file uploads
Rails 5.2 introduced ActiveStorage, a new framework for managing file uploads. It supports cloud storage, variants, and direct uploads out of the box.