I think the more generalized point that was being made was for any framework, front-end, back-end, middleware, CMS, whatever.. Properly handling deprecations a

I think the more generalized point that was being made was for any framework, front-end, back-end, middleware, CMS, whatever.. Properly handling deprecations and providing a clear and reasonable migration path for your users will keep them happy and will keep them upgrading instead of either sticking to old versions or jumping ship. These are not concerns that apply only to front-end frameworks.