How a Ruby Upgrade Broke MS Edge Support in a Rails App · Daniela Baron

A user reported that they were being redirected to the /unsupported_browser page on Edge, despite having used the app for years without issues. This behavior was unexpected because Microsoft Edge, being Chromium-based since January 2020, is a modern browser and fully compatible with this application. To understand why Edge users were being blocked, I started by identifying where the /unsupported_browser page was being rendered in the Rails app. The bin/rails routes command lists all routes defined in the application, and the -g (grep) flag filters the results to only those matching the given string or regular expression:.