That's why you write down your use case for every project. Have a news site which needs to be indexed by Google immediately? SSR. Have some Jira or whatever?

That's why you write down your use case for every project. Have a news site which needs to be indexed by Google immediately? SSR. Have some Jira or whatever? CSR. Most CSR applications are behind a login wall anyway. Thinking of the core applications of services like WhatsApp, Discord, Gmail, Dropbox, Google Docs etc. Bottom line, whether SSR really being “the future”: “it depends”.