I’ve taken a rails 4 through to rails 7. Kind of interesting each major version is basically denoted by a change in the way they handle JavaScript. Rails 5 & 6

I’ve taken a rails 4 through to rails 7. Kind of interesting each major version is basically denoted by a change in the way they handle JavaScript. Rails 5 & 6 were rough, you forgot yarn! That was my biggest pain point. I still have Coffeescript code, we have been slowly converting as needed. Rails 7 has been a lot better to deal with, we use vanilla JavaScript (outside the coffeescript lol). Makes it pretty easy tbh. We load partials as needed (via js) and the site is fast and light. My recommendation is to stick close to html with rails or as mentioned, a separate front end. What we have works super well for us, but definitely custom