Why is WebSQL "deprecated" in the official Vue Cookbook?

Question

Web development

Quote:

Client-side storage can be set up using cookies, Local Storage (technically "Web Storage"), IndexedDB, and WebSQL (deprecated and should not be used in new projects).

https://ru.vuejs.org/v2/cookbook/client-side-stora...
This is a little unexpected for me. I'm just planning a project with local storage now.
What do they know there that I don’t know yet?)) (this is NOT a rhetorical question)
Why shouldn’t you use WebSQL - after all, as I understand it, this is the most powerful tool of all those listed in the quote - SQL is still w.. .

Answer 1

The W3C stopped work on the specification in November 2010, which is why the specifications for this API are not on the W3C recommended list.
https://www.w3.org/TR/webdatabase/