Import TWIR 2024-02-16

Author: vipulnsward

_posts/2024-02-16-this-week-in-rails.markdown

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+---
+layout: post
+title: "Rails World CFP, ActiveRecord::Base.with_connection, devcontainer and puma-dev support and more!"
+categories: news
+author: vipulnsward
+og_image: assets/images/this-week-in-rails.png
+published: true
+date: 2024-02-16
+---
+
+
+Hi! [Vipul](https://www.saeloun.com/team/vipul) here with the latest updates for This Week in Rails!
+
+[Rails World CFP](https://rubyonrails.org/2024/2/5/rails-world-2024-cfp-is-open)  
+Call for Papers is now open for The Rails World 2024 conference that will be held in Toronto, Canada this year.
+The CFP will remain open until 21st March.
+Head over [here](https://sessionize.com/rails-world/) to submit your proposal!  
+
+[Generate devcontainer files by default](https://github.com/rails/rails/pull/50914)   
+This change generates a `.devcontainer` folder and its contents when creating a new app.
+The `.devcontainer` folder includes everything needed to [boot the app and do development in a remote container](https://containers.dev/).
+These files can be skipped using the `--skip-devcontainer` option.
+
+[Use ruby file: ".ruby-version" in Gemfile for new apps](https://github.com/rails/rails/pull/49360)  
+Previously, new apps would have a Ruby version set in both the Gemfile and the `.ruby-version` file.
+This duplication made it more difficult to quickly change an application's ruby version as users must remember to update multiple files.
+This change updates the app generator's Gemfile to read the Ruby version from the `.ruby-version` file.
+
+[Add `ActiveRecord::Base.with_connection` as a shortcut for leasing a connection for a short duration](https://github.com/rails/rails/pull/51083)  
+This change adds `ActiveRecord::Base.with_connection` as a shortcut for leasing a connection for a short duration.
+The leased connection is yielded, and for the duration of the block, any call to `ActiveRecord::Base.connection` will yield that same connection.
+This is useful to perform a few database operations without causing a connection to be leased for the entire duration of the request or job.
+
+[Support encrypting binary columns](https://github.com/rails/rails/pull/50920)  
+Previously encrypting binary columns with the `ActiveRecord::Encryption::MessageSerializer` incidentally worked for MySQL and SQLite, but not PostgreSQL.
+This change adds proper support now for encrypting binary columns types.
+
+
+[Suggest puma-dev configuration in bin/setup ](https://github.com/rails/rails/pull/51088)   
+Rails now suggest [puma-dev](https://github.com/puma/puma-dev) as the golden path for developing multiple Rails applications locally, if you're not using Docker.
+`bin/setup` has now been updated to suggest how to get that setup.
+
+[Add .test to default allowed host in development mode](https://github.com/rails/rails/pull/51087)   
+Continuing on support for [puma-dev](https://github.com/puma/puma-dev) this change adds ".test" as a default allowed host in development to ensure a smooth setup.
+
+
+
+_You can view the whole list of changes [here](https://github.com/rails/rails/compare/@%7B2024-02-10%7D...main@%7B2024-02-16%7D)._
+_We had [30 contributors](https://contributors.rubyonrails.org/contributors/in-time-window/20240110-20240116) to the Rails codebase this past week!_
+
+Until next time!
+
+_[Subscribe](https://world.hey.com/this.week.in.rails) to get these updates mailed to you._