Two new properties in CSS - overflow:clip and overflow-clip-margin
overflow: clip and overflow: hidden both do the same job of hiding content that overflows. However, overflow: clip also disables programmatic scrolling. Another property overflow-clip-margin controls how far from the element's edge the clipping begins.
Rails now validates options used in migration functions
Previously erroneous options were silently ignored in migration functions such as "create_table" or "add_column", now they raise an error.Rails now allows specifying the HTTP status code in assert_redirected_to
The assertion statement previous was only able to assert that the request was redirected, but not the status code.Rails adds source attribute to its ErrorReporting API
Subscribers can now filter error reports based on source, making it easier to ignore internal errors or focus on specific errors.Rails raises exception when config.active_storage.service is not explicitly set
Developers are no longer presented vague errors when config.active_storage.service is not set. Instead a clear exception is raised.Rails now supports infinite range options in LengthValidators
Models that need to be validated for length can use infinite ranges in :in / :within optionsRails no longer produces false-positive query cache hits when querying with mutable bound parameters
ActiveRecord now dups and freezes complex types when making query attributes which prevents false-positive query cache hits.Rails now allows EML files to be downloaded from the email preview
An option to download .eml files directly from the browser when using the email preview feature will now be available in Rails 7.0.
Meet the most awaited CSS container queries
CSS container queries are similar to media queries, but related to a container element size rather than the viewport size.Rails improves the "in_order_of" querying method
The query that previously only used to allow symbolic column names, now handles string values.