Rails Foundation Contributing Member

Ruby on Rails consulting from engineers who work deep in Rails.

Saeloun helps teams modernize Rails applications, improve performance, untangle production issues, and ship product work with a senior Rails and React team in Boston and Pune.

599+
engineering articles
2019
founded in Boston
Rails
Foundation member

Latest Rails, React, and engineering articles

Field notes on framework changes, performance, upgrades, testing, and product engineering.

authorImg Vamsi Pavan Mahesh
authorImg Vamsi Pavan Mahesh

Vamsi is a Senior Software Developer dedicated to creating seamless user experiences. With deep expertise in both Ruby on Rails and ReactJS

Rails Adds --minimal Flag for New Apps

Rails introduces --minimal flag to generate a barebones application without extra frameworks.
authorImg Vamsi Pavan Mahesh
authorImg Vamsi Pavan Mahesh

Vamsi is a Senior Software Developer dedicated to creating seamless user experiences. With deep expertise in both Ruby on Rails and ReactJS

Ruby Adds Rightward Assignment Support

Previously ruby used to support only Rvalue to be assigned to Lvalue. Now, it adds support for Rightward assignment
authorImg Vamsi Pavan Mahesh
authorImg Vamsi Pavan Mahesh

Vamsi is a Senior Software Developer dedicated to creating seamless user experiences. With deep expertise in both Ruby on Rails and ReactJS

Ruby Adds Find Pattern in Pattern Matching

Find pattern is introduced in pattern matching, which is useful in matching arrays.
authorImg Prateek Choudhary
authorImg Prateek Choudhary

Prateek focuses on delivering impactful and reliable digital products.

How to investigate your build size in Webpack

Let us look at a few handy tools that can help us in analyzing and reducing our bundle size.
authorImg Vamsi Pavan Mahesh
authorImg Vamsi Pavan Mahesh

Vamsi is a Senior Software Developer dedicated to creating seamless user experiences. With deep expertise in both Ruby on Rails and ReactJS

Ruby 3.0 Changes Proc Autosplatting Behavior

Ruby 3.0 changed the inconsistent behavior for autosplatting, when rest argument and keyword arguments are present for a Proc
authorImg Vamsi Pavan Mahesh
authorImg Vamsi Pavan Mahesh

Vamsi is a Senior Software Developer dedicated to creating seamless user experiences. With deep expertise in both Ruby on Rails and ReactJS

Rails 6.1 Allows SQL Comments in OR Queries

ArgumentError used to be thrown when relations with SQL comments and Optimizer hints were combined using or. Rails edge(6.1.0.alpha) fixes that issue.
authorImg Alkesh Ghorpade
authorImg Alkesh Ghorpade

I am a seasoned developer with over 9 years of experience in Ruby on Rails and Golang. My passion lies in tackling complex data structures and algorithm problems, always pushing myself to learn and grow. In my downtime, I find solace in the pages of books and the soothing sounds of a guitar. But I'm not just a one-trick pony! I love to stay active and challenge myself in other ways too. Whether it's on the football pitch, cricket field, table tennis table, or badminton court, I'm always up for some fun activities.

Rails Configurable web_image_content_types

Rails adds config.active_storage.web_image_content_types to make image content types configurable, supporting formats like webp.
authorImg Rohit Kumar
authorImg Rohit Kumar

Rohit is a Senior Software Engineer with 11 years of experience in Ruby on Rails. He is one of Saeloun’s key engineers, known for his deep technical insights and impact beyond just code.

ACID transactions in every day applications

Breaking down the use of ACID transactions using real-life examples of systems that we employ every day.
authorImg Alkesh Ghorpade
authorImg Alkesh Ghorpade

I am a seasoned developer with over 9 years of experience in Ruby on Rails and Golang. My passion lies in tackling complex data structures and algorithm problems, always pushing myself to learn and grow. In my downtime, I find solace in the pages of books and the soothing sounds of a guitar. But I'm not just a one-trick pony! I love to stay active and challenge myself in other ways too. Whether it's on the football pitch, cricket field, table tennis table, or badminton court, I'm always up for some fun activities.

Rails 6.1 ActiveModel::Errors as Objects

Rails 6.1 changes ActiveModel::Errors from Hash to array of Error objects with where, add, delete.
authorImg Rakesh Khicher
authorImg Rakesh Khicher

Rakesh contributes to the development of dynamic digital products as a dedicated Ruby on Rails Developer.

Rails support bulk insert/upsert on relation

Rails 6.1 has added support for bulk insert/upsert on relation to preserve scope values.