My department was tasked with building browser extentions for Shopify to add functionality to their admin panel.

We warned the bosses about how unstable these extentions could become as there is no warning of changes to Shopify's code. If they make a small change it could break everything.

Instead of listening to us, what did they do? They doubled down and had us build this massive plug-in that adds dozens of complicated UIs and features to run the core of their business. I actually left the company over this and several other questionable decisions.

Last week I was catching up with their last remaining dev. Appearently a few weeks ago most of it fell apart and some of its not fixable unless Shopify makes some changes.