[Mozilla Enterprise] Downgrade Protection and Profile Per Installation in Firefox 68

[Mike Kaply]

Firefox will only create a new profile if it determines that the install
directory has changed from the previous Firefox that used this profile. So
if you have Firefox installed in two different directories, they will use
two different profiles.

New versions of Firefox will not create new profiles since they use the
same install directory.

Mike

On Wed, Jun 26, 2019 at 5:32 AM Klaus Hartnegg <hartnegg at gmx.de> wrote:

> What do you mean with new profile per install?
> Will the version number become part of the name of the profile directory?
> Or will it do the same guid-madness that already causes Windows to forget
> Firefox as default-browser with each update?
>
> Will Firefox compare on each start its version with the one in the profile
> directory, and if its own version is higher then trigger a migration to a
> new profile directory? Using the newest of the existing ones as source?
>
> Does this only affect the directory in appdata, or also in localappdata?
>
> What will happen with all the old directories? They already consume a lot
> of disk space.
>
>
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