Rails 8 includes a built-in authentication system generator
Rails 8 introduces a built-in authentication generator that scaffolds login, signup, and session management without external gems.
GAURAV VARMA
Rails 8 makes Propshaft the default asset pipeline (replacing Sprockets)
Rails 8 replaces Sprockets with Propshaft as the default asset pipeline, simplifying asset management and improving compatibility with modern JavaScript tooling.
Rails 8 adds Solid Queue for built-in background jobs (no Sidekiq/Redis needed)
Rails 8 introduces Solid Queue, a built-in background job backend that runs jobs directly from the database without requiring Redis or external services.
Rails 8 adds Solid Cache for built-in HTML fragment caching (no Redis needed)
Rails 8 introduces Solid Cache, a database-backed caching system designed to replace Redis or Memcached for many Rails caching workloads.
Rails 8 adds Solid Cable for built-in WebSocket pub/sub support
Rails 8 introduces Solid Cable, a built-in WebSocket pub/sub adapter that replaces Redis-based ActionCable setups with a database-backed solution.