Currently, the LO options dialog actually has many settings which are _document-level_. That is bug 144814.
While we're waiting for this situation to change, it seems the Help doesn't tell us which settings are persistent in the app (or module), and which are persisted in the document.
For example: "Default languages" is persisted in the current document (see bug ), but that's not mentioned in the relevant Help page:
(this is with a recent LO 7.5 build.)
Apart from the default languages, do you have a shortlist of pressing ones we could focus on for this bug? Just trying to have something specific so we can actually mark it as fixed one day.
(In reply to Eyal Rozenberg from comment #0)
> For example: "Default languages" is persisted in the current document (see
> bug )
I meant bug 151918, sorry :-)
(In reply to Stéphane Guillou (stragu) from comment #1)
> Apart from the default languages, do you have a shortlist of pressing ones
> we could focus on for this bug?
No, because I literally can't tell when this happens! I've always assumed no LO options apply to an already-created document, and was recently surprised to notice that is not the case...