[Libreoffice-bugs] [Bug 142666] Calc Zoom -> 'Synchronise sheets' user preference boolean changes in user profile settings unexpectantly during upgrade installation

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=142666

--- Comment #4 from Mike Kaganski <mikekaganski at hotmail.com> ---
(In reply to V Stuart Foote from comment #3)
> Can not cofirm behavior

Me too

> but that value should remain in user profile on version upgrade.

Definitely

> Do not beleive it will affect existing Spreadsheets and on toggle
> is applicable just when creating new shhets/documents.

True

> @Mike, is it feasible a routine release build upgrade would clobber this
> setting in user profile?

Upgrade will *never* touch any user profile; there's absolutely no code there
that could (even in theory) do that.

However, theoretically it's possible that some *existing* data in the user
profile could cause LibreOffice to consider the profile corrupt, and result in
the profile's re-creation. Then I'd expect the value to revert to defaults, and
for this setting, default is true, as you mentioned. Yet, this is not truly a
problem of upgrade, but of the data in registry - and the only way to handle
that would be to have either copy of the data that is considered invalid by
newer versions (if it's in fact valid), or a scenario that generates that
invalid data; and that is close to impossible (so far, we have ~zero bug
reports with such kind of info).

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