ECMAScript2021 adds new features WeakRef and FinalizationRegistryECMAScript2021 introduces new features WeakRef and FinalizationRegistry to manage garbage collection.
Rails 7 adds SSL support for postgresql in bin/rails dbconsoleRails 7 added PGSSLMODE, PGSSLCERT, PGSSLKEY, and PGSSLROOTCERT to DBConsole class to load SSL-related environment variables from database config when running bin/rails dbconsole with postgresql.
Rails 7 adds ActiveRecord::QueryMethods#in_order_of to return query results in a particular sequenceStarting with Rails 7, we can return ActiveRecord::Relation results in provided series using the in_order_of method.
React DevTools adds a feature to trigger an error boundary, making testing easierA new enhancement in React DevTools provides a toggle error button to test Error Boundaries.
Rails 7 replaced byebug with ruby/debugRails 7 removed byebug from their default debugger and replaced it with ruby/debug.
Ruby 3.1 allows value omission in hash literalsRuby 3.1 adds the ability to use hash literals without having a value.
Normalizing Redux state to ensure good performance in React appsIn complex applications, client apps have to store and manage a large amount of nested data, and if the data is not normalized, it can be incredibly time-consuming for a program to lookup nested data which could become a performance concern.
Rails 7 adds weekday_select and weekday_options_for_selectRails 7 adds the `weekday_select` and `weekday_options_for_select` form helpers.
Rails 7 adds `audio` in the metadata for video filesWith the addition of `audio` metadata to video blobs, it will now be possible to check the presence of an audio channel in a video file.
ECMAScript 2021 introduces Promise.any() and AggregateErrorECMAScript 2021 introduces Promise.any() method which accepts an iterable of promises and waits for the first promise to fulfill, and its result becomes the outcome. If all the passed promises are rejected, it returns an AggregateError.