Rails
Rails 7 adds accepts_nested_attributes_for support for delegated_type
With Rails 7, accepts_nested_attributes_for can be used for delegated_type
Rails 7 now allows automatic inverse_of detection for associations with scopes
This update ensures that "inverse_of" takes into consideration the relevant scope when calculating the object to store in memory.Rails introduces ActiveRecord::Persistence#update_attribute!
While update_attribute was used to bypass validations, update_attribute! now does the same but raises ActiveRecord::RecordNotSaved in case of any errors encountered in `before_*` callbacks.Rails 7 now introduces support for generated columns with Postgres
Rails 7 now adds support for generated (virtual) columns to the PostgreSQL adapter that has been available since PSQL v12.Rails 7 renders accurate plain text output for nested fields
Plain text rendering of nested fields now reserves indentation.Rails 7 allows setting timestamps on insert_all/upsert_all record creation
All relevant timestamp columns (`created_at`, `created_on`, `updated_at`, `updated_on`) are now set via ActiveRecord when using mass insertion queries.Rails 7 adds better support for custom enum types in PostgreSQL
With Rails 7, use create_enum to add a new enum type and t.enum to add a column.
Master Rails Enums - Learn to Create and Use Them
A detailed guide on what enums are and how to create, configure, and use them in Ruby on Rails for cleaner, more efficient codePostgreSQL data-types in Rails
With Rails, there are many built-in data types that PostgreSQL supports. It's a great addition to the developer's toolkit!
Rails adds `authenticate_by` method when using `has_secure_password`
Rails adds `authenticate_by` method that helps mitigate timing-based enumeration attacks.