Upcoming features include ActiveStorage, built-in Redis Cache Store, updated Rails Credentials and a bunch of other cool things! Honorable mentions also to the new Stimulus Javascript Framework.

Sentry is an Open Source error tracking that helps developers monitor and fix crashes in real time. Learn how to add and configure Sentry to your application.

Slow tests can slow down your development process. Using parallel_tests, you can speed up your test suite by multiple threads and running the tests in groups.

Factory Bot is a fixtures replacement which can generate the needed records directly in the tests. Faker can be used to create fake data for these records.

Create Acceptance Tests or Feature Tests to extend your automated tests with browser testing. It can help tests some areas that cannot be reached with other types of tests.