We've prepared an article that goes into the change in more detail: https://docs.google.com/document/d/1U0gcwo0IUQntq4Aqz62FLb1Apl9P_0SEG-MMto2OGfw/edit#
Mike On Wed, Jun 26, 2019 at 1:22 PM Copus, Scott <[email protected]> wrote: > Is there already a very detailed technical article or dev blog documenting > these proposed Firefox downgrade-protection & profile-per-installation > changes? It sounds like the details of these changes are needed for some > admins to ascertain if this will impact their environment or not. > > > > Can we get a basic rundown of how profile migrations have historically > functioned before? That should help paint a better picture at least for > me. Is this how it works now? … After an admin upgrades Firefox, do all > the users’ profiles on that system get “upgraded” to that profile version > upon those users launching Firefox the first time? I assume that Firefox > also has to maintain multiple profile version migration paths in its > installers? If not how is upgrading profiles to version X from X-1, X-2, > X-3, X-10 all work? If this is already documented somewhere, please point > me there. > > > > Would anyone be able to provide sample scenarios that someone would be > able to walk us through that would tell us what’s changing “under the hood” > and what settings (environment variables, group policies, prefs, etc) are > available to change its behavior? For example, after Firefox gets upgraded > from X to Y (leaving only a single installation afterwards), do any user > profiles get modified then—or only at user launch (and what happening > logically under the hood)? Other scenarios would be downgrade, > side-by-side installs of multiple versions and channels. > > > > If an admin decides to activate the environment variables disabling these > features “later on down the road”, and a user already has multiple > profiles, what’s Firefox behavior in this regard—how does it know which > profile it should use upon next startup? > > > > Are there going to be any separate profile tools or switches to help with > profile “cleanup” or any helpful functions related to these changes? > > > > -- > > Scott Copus, Desktop Support Systems Engineer > > Information Technology Services | Western Kentucky University > > https://www.wku.edu/its > > > > *From:* Enterprise [mailto:[email protected]] *On Behalf Of *Mike > Kaply > *Sent:* Wednesday, June 26, 2019 11:06 AM > *To:* Klaus Hartnegg <[email protected]> > *Cc:* Mozilla.org <[email protected]> > *Subject:* Re: [Mozilla Enterprise] Downgrade Protection and Profile Per > Installation in Firefox 68 > > > > *** This message originated from outside WKU. Always use caution following > links. *** > > 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 <[email protected]> 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. > > > _______________________________________________ > Enterprise mailing list > [email protected] > https://mail.mozilla.org/listinfo/enterprise > > To unsubscribe from this list, please visit > https://mail.mozilla.org/listinfo/enterprise or send an email to > [email protected] with a subject of "unsubscribe" > > _______________________________________________ > Enterprise mailing list > [email protected] > https://mail.mozilla.org/listinfo/enterprise > > To unsubscribe from this list, please visit > https://mail.mozilla.org/listinfo/enterprise or send an email to > [email protected] with a subject of "unsubscribe" >
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