--- title: "Rails 6 Blogs" description: "BigBinary blog posts in the Rails 6 category." canonical_url: "https://www.bigbinary.com/blog/categories/rails-6" markdown_url: "https://www.bigbinary.com/blog/categories/rails-6.md" --- # Rails 6 Blogs BigBinary blog posts in the Rails 6 category. ## Posts ### Rails 6 adds support to persist timezones of Active Job [Rails 6 adds support to persist timezones of Active Job](https://www.bigbinary.com/blog/rails-6-add-timezone-support-in-active-job) - Author: Chetan Gawai - Published: September 1, 2020 - Categories: Rails 6, Rails Rails 6 now records current timezone of Active Job ### Rails 6 adds including & excluding method on Enumerables [Rails 6 adds including & excluding method on Enumerables](https://www.bigbinary.com/blog/rails-6-adds-array-including-excluding-and-enumerable-including-excluding) - Author: Akhil Gautam - Published: August 18, 2020 - Categories: Rails 6, Rails Rails 6 adds Array#including/excluding and Enumerable#including/excluding ### Rails 6 fixes after_commit callback invocation bug [Rails 6 fixes after_commit callback invocation bug](https://www.bigbinary.com/blog/rails-6-fixes-a-bug-where-after_commit-callbacks-are-called-on-failed-update-in-a-transaction-block) - Author: Amit Choudhary - Published: February 25, 2020 - Categories: Rails 6, Rails Rails 6 fixes a bug where after_commit callbacks are called on failed update in a transaction block ### Rails 6 adds rails db:prepare to migrate or setup a database [Rails 6 adds rails db:prepare to migrate or setup a database](https://www.bigbinary.com/blog/rails-6-adds-rails-db-prepare-to-migrate-or-setup-a-database) - Author: Akhil Gautam - Published: December 10, 2019 - Categories: Rails 6, Rails Rails 6 adds rails db:prepare to migrate or setup a database if it doesn't exist ### Rails 6 adds guard against DNS Rebinding attacks [Rails 6 adds guard against DNS Rebinding attacks](https://www.bigbinary.com/blog/rails-6-adds-guard-against-dns-rebinding-attacks) - Author: Midhun Krishna - Published: November 5, 2019 - Categories: Rails 6, Rails Rails 6 adds guard against DNS Rebinding attacks by whitelisting hosts via configuration ### Rails 6 adds ActiveStorage::Blob#open [Rails 6 adds ActiveStorage::Blob#open](https://www.bigbinary.com/blog/rails-6-adds-activestorage-blob-open) - Author: Akhil Gautam - Published: October 30, 2019 - Categories: Rails 6, Rails Rails 6 adds ActiveStorage::Blob#open ### Rails 6 adds ActionMailer#email_address_with_name [Rails 6 adds ActionMailer#email_address_with_name](https://www.bigbinary.com/blog/rails-6-adds-actionmailer-email_address_with_name) - Author: Taha Husain - Published: October 22, 2019 - Categories: Rails 6, Rails Rails 6 adds email_address_with_name to ActionMailer to properly escape email addresses with names. ### Rails 6 raises ArgumentError if param contains colon [Rails 6 raises ArgumentError if param contains colon](https://www.bigbinary.com/blog/rails-6-raises-argumenterror-if-custom-param-contains-a-colon) - Author: Amit Choudhary - Published: October 15, 2019 - Categories: Rails 6, Rails Rails 6 raises ArgumentError if custom param contains a colon ### Rails 6 introduces new code loader called Zeitwerk [Rails 6 introduces new code loader called Zeitwerk](https://www.bigbinary.com/blog/rails-6-introduces-new-code-loader-called-zeitwerk) - Author: Midhun Krishna - Published: October 8, 2019 - Categories: Rails 6, Rails Rails 6 introduces new code loader named Zeitwerk with better Ruby semantics and threadsafety ### Rails 6 adds ActiveSupport::ActionableError [Rails 6 adds ActiveSupport::ActionableError](https://www.bigbinary.com/blog/rails-6-adds-active-support-actionable-error) - Author: Taha Husain - Published: October 1, 2019 - Categories: Rails 6, Rails Rails 6 adds support for dispatching actions from error page ### Rails 6 add_foreign_key & remove_foreign_key SQLite3 [Rails 6 add_foreign_key & remove_foreign_key SQLite3](https://www.bigbinary.com/blog/rails-6-adds-add_foreign_key-and-remove_foreign_key-for-sqlite3) - Author: Amit Choudhary - Published: September 24, 2019 - Categories: Rails 6, Rails Rails 6 adds add_foreign_key and remove_foreign_key for SQLite3 ### Rails 6 adds ActionDispatch::Request::Session#dig [Rails 6 adds ActionDispatch::Request::Session#dig](https://www.bigbinary.com/blog/rails-6-adds-actiondispatch-request-session-dig) - Author: Amit Choudhary - Published: September 18, 2019 - Categories: Rails 6, Rails Rails 6 adds ActionDispatch::Request::Session#dig ### Marking arrays of translations safe using html suffix [Marking arrays of translations safe using html suffix](https://www.bigbinary.com/blog/rails-6-marks-arrays-of-translations-as-trusted-safe-by-using-the-_html-suffix) - Author: Vishal Telangre - Published: September 11, 2019 - Categories: Rails 6, Rails Rails 6 marks arrays of translations as trusted safe by using the \_html suffix ### Rails 6 adds filter_attributes on ActiveRecord::Base [Rails 6 adds filter_attributes on ActiveRecord::Base](https://www.bigbinary.com/blog/rails-6-adds-activerecord-base-filter_attributes) - Author: Amit Choudhary - Published: September 3, 2019 - Categories: Rails 6, Rails Rails 6 adds filter_attributes on ActiveRecord::Base ### ArgumentError for invalid:limit &:precision Rails 6 [ArgumentError for invalid:limit &:precision Rails 6](https://www.bigbinary.com/blog/rails-6-raises-argumenterror-for-invalid-limit-and-precision) - Author: Amit Choudhary - Published: August 27, 2019 - Categories: Rails 6, Rails Rails 6 raises ArgumentError for invalid:limit and:precision ### Rails 6 Pass custom config to ActionCable::Server::Base [Rails 6 Pass custom config to ActionCable::Server::Base](https://www.bigbinary.com/blog/rails-6-allows-passing-custom-configuration-to-actioncable-server-base) - Author: Taha Husain - Published: August 21, 2019 - Categories: Rails 6, Rails Rails 6 allows passing custom configuration to ActionCable::Server::Base ### Rails 6 adds support of symbol keys [Rails 6 adds support of symbol keys](https://www.bigbinary.com/blog/rails-6-adds-activesupport-hashwithindifferentaccess-assoc) - Author: Amit Choudhary - Published: August 20, 2019 - Categories: Rails 6, Rails Rails 6 adds support of symbol keys with ActiveSupport::HashWithIndifferentAccess#assoc ### Rails 6 preserves status of #html_safe? [Rails 6 preserves status of #html_safe?](https://www.bigbinary.com/blog/rails-6-preserves-status-of-html_safe-on-sliced-and-multiplied-html-safe-strings) - Author: Vishal Telangre - Published: August 13, 2019 - Categories: Rails 6, Rails "Rails 6 preserves status of #html_safe? on HTML safe strings which are sliced or multiplied using \`ActiveSupport::SafeBuffer#\*\`" ### Recyclable cache keys in Rails [Recyclable cache keys in Rails](https://www.bigbinary.com/blog/rails-adds-support-for-recyclable-cache-keys) - Author: Taha Husain - Published: August 6, 2019 - Categories: Rails 5.2, Rails 6, Rails Rails added cache_versioning and collection_cache_versioning to support recyclable cache keys. ### Rails 6 deprecates where.not as NOR & Rails 6.1 as NAND [Rails 6 deprecates where.not as NOR & Rails 6.1 as NAND](https://www.bigbinary.com/blog/rails-6-deprecates-where-not-working-as-nor-and-will-change-to-nand-in-rails-6-1) - Author: Taha Husain - Published: July 31, 2019 - Categories: Rails 6, Rails Rails 6 adds a deprecation warning for where.not as NOR and will change in Rails 6.1 to NAND ### Rails 6 adds support for Optimizer Hints [Rails 6 adds support for Optimizer Hints](https://www.bigbinary.com/blog/rails-6-supports-optimizer-hints) - Author: Vishal Telangre - Published: July 30, 2019 - Categories: Rails 6, Rails Rails 6 has added support for Optimizer Hints ### Rails 6 reports object allocations while rendering [Rails 6 reports object allocations while rendering](https://www.bigbinary.com/blog/rails-6-reports-object-allocations-made-while-rendering-view-templates) - Author: Vishal Telangre - Published: July 23, 2019 - Categories: Rails 6, Rails Rails 6 reports object allocations made while rendering view templates ### Rails 6 adds ActiveRecord::Relation#annotate [Rails 6 adds ActiveRecord::Relation#annotate](https://www.bigbinary.com/blog/rails-6-adds-annotate-to-activerecord-relation-queries) - Author: Abhay Nikam - Published: July 15, 2019 - Categories: Rails 6, Rails Rails 6 adds ActiveRecord::Relation#annotate to annotate generated SQL queries ### Rails 6 adds hook to Active Job for retry & discard [Rails 6 adds hook to Active Job for retry & discard](https://www.bigbinary.com/blog/rails-6-adds-hooks-to-activejob-around-retries-and-discards) - Author: Vishal Telangre - Published: July 9, 2019 - Categories: Rails 6, Rails Rails 6 adds hooks to Active Job around retries and discards ### Rails 6 adds support for Multi Environment credentials [Rails 6 adds support for Multi Environment credentials](https://www.bigbinary.com/blog/rails-6-adds-support-for-multi-environment-credentials) - Author: Berin Larson - Published: July 3, 2019 - Categories: Rails 6, Rails Rails 6 adds support for multi environment credentials ### Rails 6 adds before? and after? to Date and Time [Rails 6 adds before? and after? to Date and Time](https://www.bigbinary.com/blog/rails-6-adds-before-and-after-to-date-and-time) - Author: Amit Choudhary - Published: June 26, 2019 - Categories: Rails 6, Rails Rails 6 adds before? and after? to Date, DateTime, Time and ActiveSupport::TimeWithZone classes ### Rails 6 adds Array#extract! [Rails 6 adds Array#extract!](https://www.bigbinary.com/blog/rails-6-adds-array-extract) - Author: Amit Choudhary - Published: June 24, 2019 - Categories: Rails 6, Rails Rails 6 adds Array#extract! ### Rails 6 adds Enumerable#index_with [Rails 6 adds Enumerable#index_with](https://www.bigbinary.com/blog/rails-6-adds-enumerable-index_with) - Author: Amit Choudhary - Published: June 17, 2019 - Categories: Rails 6, Rails Rails 6 adds Enumerable#index_with ### Rails 6 adds private option to delegate method [Rails 6 adds private option to delegate method](https://www.bigbinary.com/blog/rails-6-adds-private-option-to-delegate-method) - Author: Amit Choudhary - Published: June 10, 2019 - Categories: Rails 6, Rails Rails 6 adds private option to delegate method ### Rails 6 allows spaces in postgres table names [Rails 6 allows spaces in postgres table names](https://www.bigbinary.com/blog/rails-6-allows-spaces-in-postgres-table-names) - Author: Amit Choudhary - Published: June 5, 2019 - Categories: Rails 6, Rails Rails 6 allows spaces in postgres table names ### Rails 6 adds if_not_exists option to create_table [Rails 6 adds if_not_exists option to create_table](https://www.bigbinary.com/blog/rails-6-adds-if_not_exists-option-to-create_table) - Author: Amit Choudhary - Published: May 22, 2019 - Categories: Rails 6, Rails Rails 6 adds if_not_exists option to create_table ### Rails 6 has added a way to change the database of the app [Rails 6 has added a way to change the database of the app](https://www.bigbinary.com/blog/rails-6-has-added-a-way-to-change-the-database-of-the-app) - Author: Prathamesh Sonpatki - Published: April 30, 2019 - Categories: Rails 6, Rails It is possible to change the database configuration using a simple command ### Rails 6 adds parallel testing [Rails 6 adds parallel testing](https://www.bigbinary.com/blog/rails-6-adds-parallel-testing) - Author: Amit Choudhary - Published: April 29, 2019 - Categories: Rails 6, Rails Rails 6 adds parallel testing ### Rails 6 improves ActiveSupport::Notifications::Event [Rails 6 improves ActiveSupport::Notifications::Event](https://www.bigbinary.com/blog/rails-6-adds-cpu-time-idle-time-and-allocations-to-activesupport-notifications-event) - Author: Vishal Telangre - Published: April 24, 2019 - Categories: Rails 6, Rails Rails 6 adds CPU time, idle time and allocations to ActiveSupport::Notifications::Event ### Rails 6 allows configuring has_secure_password attribute [Rails 6 allows configuring has_secure_password attribute](https://www.bigbinary.com/blog/rails-6-allows-configurable-attribute-name-on-has_secure_password) - Author: Amit Choudhary - Published: April 23, 2019 - Categories: Rails 6, Rails Rails 6 allows configurable attribute name on has_secure_password ### Rails 6 allows overriding ActiveModel::Errors#full_message [Rails 6 allows overriding ActiveModel::Errors#full_message](https://www.bigbinary.com/blog/rails-6-allows-to-override-the-activemodel-errors-full_message-format-at-the-model-level-and-at-the-attribute-level) - Author: Vishal Telangre - Published: April 22, 2019 - Categories: Rails 6, Rails Rails 6 allows to override the ActiveModel::Errors#full_message format at the model level and at the attribute level ### Rails 6 adds ActiveRecord::Relation#extract_associated [Rails 6 adds ActiveRecord::Relation#extract_associated](https://www.bigbinary.com/blog/rails-6-adds-activerecord-relation-extract_associated) - Author: Taha Husain - Published: April 17, 2019 - Categories: Rails 6, Rails Rails 6 added ActiveRecord::Relation#extract_associated for extracting associated records from a relation ### Rails 6 adds implicit_order_column [Rails 6 adds implicit_order_column](https://www.bigbinary.com/blog/rails-6-adds-implicit_order_column) - Author: Amit Choudhary - Published: April 16, 2019 - Categories: Rails 6, Rails Rails 6 adds implicit_order_column for ordering records implicitly ### Bulk insert support in Rails 6 [Bulk insert support in Rails 6](https://www.bigbinary.com/blog/bulk-insert-support-in-rails-6) - Author: Vishal Telangre - Published: April 15, 2019 - Categories: Rails 6, Rails Rails 6 introduced methods such as insert_all, insert_all! and update_all to support bulk insert ### Rails 6 drops support for PostgreSQL version less than 9.3 [Rails 6 drops support for PostgreSQL version less than 9.3](https://www.bigbinary.com/blog/rails-6-drops-support-for-postgresql-less-than-9-3) - Author: Prathamesh Sonpatki - Published: April 10, 2019 - Categories: Rails 6, Rails Rails 6 has dropped support for PostgreSQL versions less than 9.3 ### Rails 6 requires Ruby 2.5 or newer [Rails 6 requires Ruby 2.5 or newer](https://www.bigbinary.com/blog/rails-6-requires-ruby-2-5-or-newer) - Author: Vishal Telangre - Published: April 9, 2019 - Categories: Rails 6, Rails Rails 6 requires Ruby 2.5 or newer ### Rails 6 database seed uses inline Active Job adapter [Rails 6 database seed uses inline Active Job adapter](https://www.bigbinary.com/blog/database-seeding-task-uses-inline-active-job-adapter-in-rails-6) - Author: Prathamesh Sonpatki - Published: April 3, 2019 - Categories: Rails 6, Rails Rails 6 uses inline Active Job adapter for background processing related to db:seed task ### Rails 6 adds ActiveRecord::Relation#reselect [Rails 6 adds ActiveRecord::Relation#reselect](https://www.bigbinary.com/blog/rails-6-adds-activerecord-relation-reselect) - Author: Abhay Nikam - Published: April 2, 2019 - Categories: Rails 6, Rails Rails 6 adds ActiveRecord::Relation#reselect method. ### Rails 6 adds ActiveModel::Errors#of_kind? [Rails 6 adds ActiveModel::Errors#of_kind?](https://www.bigbinary.com/blog/rails-6-adds-activemodel-errors-of_kind-) - Author: Amit Choudhary - Published: April 1, 2019 - Categories: Rails 6, Rails Rails 6 adds ActiveModel::Errors#of_kind? ### Rails 6 shows routes in expanded format [Rails 6 shows routes in expanded format](https://www.bigbinary.com/blog/rails-6-shows-routes-in-expanded-format) - Author: Prathamesh Sonpatki - Published: March 27, 2019 - Categories: Rails 6, Rails Rails 6 has added ability to show the routes in an expanded format ### Rails 6 adds ActiveModel::Errors#slice! [Rails 6 adds ActiveModel::Errors#slice!](https://www.bigbinary.com/blog/rails-6-adds-activemodel-errors-slice) - Author: Amit Choudhary - Published: March 26, 2019 - Categories: Rails 6, Rails Rails 6 adds ActiveModel::Errors#slice! ### Rails 6 adds create_or_find_by and create_or_find_by! [Rails 6 adds create_or_find_by and create_or_find_by!](https://www.bigbinary.com/blog/rails-6-adds-create_or_find_by) - Author: Amit Choudhary - Published: March 25, 2019 - Categories: Rails 6, Rails Rails 6 adds create_or_find_by and create_or_find_by! to find record if creation fails because of unique constraints ### Rails 6 raises ActiveModel::MissingAttributeError [Rails 6 raises ActiveModel::MissingAttributeError](https://www.bigbinary.com/blog/rails-6-raises-activemodel-missingattributeerror-when-update_columns-is-used-with-non-existing-attribute) - Author: Amit Choudhary - Published: March 20, 2019 - Categories: Rails 6, Rails updated_columns raises ActiveModel::MissingAttributeError when used with a non-existing attribute in Rails 6 ### Rails 6 ActiveRecord::Base.configurations [Rails 6 ActiveRecord::Base.configurations](https://www.bigbinary.com/blog/rails-6-changed-activerecord-base-configurations-result-to-an-object) - Author: Amit Choudhary - Published: March 19, 2019 - Categories: Rails 6, Rails Rails 6 changed ActiveRecord::Base.configurations result to an object instead of a hash ### Rails 6 shows unpermitted params in logs in color [Rails 6 shows unpermitted params in logs in color](https://www.bigbinary.com/blog/rails-6-shows-unpermitted-params-in-logs-in-color) - Author: Prathamesh Sonpatki - Published: March 18, 2019 - Categories: Rails 6, Rails The unpermitted params are shown in red color for better visibility ### Rails 6 delete_by, destroy_by ActiveRecord::Relation [Rails 6 delete_by, destroy_by ActiveRecord::Relation](https://www.bigbinary.com/blog/rails-6-adds-activerecord-relation-delete_by-and-activerecord-relation-destroy_by) - Author: Abhay Nikam - Published: March 13, 2019 - Categories: Rails 6, Rails In Rails 6, ActiveRecord::Relation has two new methods \`delete_by\` and \`destroy_by\`. ### Rails 6 adds ActiveRecord::Relation#touch_all [Rails 6 adds ActiveRecord::Relation#touch_all](https://www.bigbinary.com/blog/rails-6-adds-activerecord-relation-touch-all) - Author: Amit Choudhary - Published: March 12, 2019 - Categories: Rails 6, Rails Rails 6 added pick method on ActiveRecord::Relation#touch_all to touch multiple records in a go ### Rails 6 adds negative scopes on enum [Rails 6 adds negative scopes on enum](https://www.bigbinary.com/blog/rails-6-adds-negative-scopes-on-enum) - Author: Abhay Nikam - Published: March 6, 2019 - Categories: Rails 6, Rails Rails 6 adds default negative scopes for all defined enum on model ### Rails 6 adds ActiveRecord::Relation#pick [Rails 6 adds ActiveRecord::Relation#pick](https://www.bigbinary.com/blog/rails-6-adds-activerecord-relation-pick) - Author: Prathamesh Sonpatki - Published: January 16, 2019 - Categories: Rails 6 Rails 6 added a shortcut to select first value for a group of columns from a relation ## Links - [Human page](https://www.bigbinary.com/blog/categories/rails-6)