Statelessness is a requirement for Progressive Web Apps (PWAs).

Greg, I wonder if you might clarify one point. When referring to PWAs,
aren't you actually implementing stateful interfaces in the browser? If so,
then aren't we in agreement that there are good reasons for implementing
stateful interfaces? In regard to maintaining in-memory state, isn't it
more of a question on whether to implement it in the client, or on the
server, or both?

I agree that there are valid use cases for maintaining state in browser
memory, or cookies, or some client-based implementation. But what I don't
get, is why the server side would need to be stateless? For example, you
might want to maintain the state of SQL cursors and other database
interfaces in memory for individual sessions, for individual users, for
ease of coding and for improved performance. I think traditional "400
programmers" can relate to this.

In regard to a discussion about tools, isn't the question more about
whether the tool channels developers into one particular type of
implementation or another, as opposed to having the flexibility of choosing
the best interface for the application in question?

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