@petehanssens @simonwaight @Netlify @AzureStaticApps Unless I'm misunderstanding the ask, this has been part of the core workflow on @Netlify for around 5 years.
You can configure branch builds and deploy previews in your site's deploy settings. And last week, deploy previews got a collaborative power up.
https://www.netlify.com/products/deploy-previews/
My tweets and posts live here on my own domain these days.
You can explore them here and follow me on Mastodon instead of Twitter where I'm not currently active.