Rails
Rails 7 adds support for setting the schema dump filepath in the database config
Schema dumps can now be toggled and dump filepaths can be set for individual database shards.
Rails 7 allows permitting numeric params
Rails 7 eliminates the issue of permitting nested hash. Now required attributes can be permitted by calling the permit method directly on the parent hash.Rails provides better ActiveRecord enum assertions
ActiveRecord now explicitly checks if the enum values are empty by raising an ArgumentError.Rails adds support for Fiber-safe ActiveRecord ConnectionPools
ActiveRecord's ConnectionPool is now fiber-safe! Adjust the value of config.active_support.isolation_level to either rely on threads or fibers to give a better throughput on fiber-oriented servers like Falcon.
Rails 7 introduces only_numeric option within numericality validator
With Rails 7, only_numeric option can be used for the numericality validator.Rails drops records not listed in QueryMethods#in_order_of
QueryMethods#in_order_of now filters down to only the values provided, matching the behavior of the eponymous Enumerable method.ActiveRecord::Core "#find" now reuses "#find_by" cache key
ActiveRecord::Core now prevents duplicate entries in find/find_by cache resulting in slightly improved performance.Rails 7 raise ActionController::Redirecting::UnsafeRedirectError for unsafe redirects
Now unsafe redirects raise a UnsafeRedirectError instead of an ArgumentError.
Rails 7 adds accepts_nested_attributes_for support for delegated_type
With Rails 7, accepts_nested_attributes_for can be used for delegated_typeRails 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.