[Go Faster] System add-ons and safe mode

Mike Connor mconnor at mozilla.com
Tue Sep 8 20:31:45 UTC 2015


I don't think so. The set of latest-stable of all pieces is the
supported/tested configuration. When we release a stable update, that is
like shipping a point release in that it moves the overall latest stable
configuration.
On Sep 8, 2015 4:06 PM, "Chris Hofmann" <chofmann at mozilla.com> wrote:

>
> I thought there was a desire or a requirement to avoid combinatorial
> testing configurations.
>
> Sounds like we are right back there.
>
> -chofmann
>
> On Tue, Sep 8, 2015 at 12:47 PM, Mike Connor <mconnor at mozilla.com> wrote:
>
>> My mental model here is that system add-ons are indivisible
>> (conceptually) from the base app, except that we can push updates out of
>> band from core release cycles.  To that end, I don't think reverting to
>> release-time versions makes the most sense, since updates may include
>> security/crash/other critical fixes that would be chemspills in a
>> monolithic model.
>>
>> I would counter-propose that "Safe Mode" should load the latest stable
>> version.  That could involve downloading the stable version (if there's an
>> update we haven't applied), which is okay, because the goal is to get users
>> to the latest known good configuration.
>>
>> On that note, I also wonder if Safe Mode should update to the latest
>> version as a part of the launch process. Obviously that's scope creep, but
>> in terms of "get a user to a working configuration" updating to latest
>> would seem like an improvement for users.  Something to think about, at
>> least.
>>
>> On 8 September 2015 at 12:10, Dave Townsend <dtownsend at mozilla.com>
>> wrote:
>>
>>> They are in the Firefox install anyway so always available to fall back
>>> to in various cases.
>>>
>>> On Tue, Sep 8, 2015 at 9:02 AM, Laura Thomson <lthomson at mozilla.com>
>>> wrote:
>>>
>>>> It makes sense to me. I'm assuming it also means keeping a copy of
>>>> release-time system add-ons locally?
>>>>
>>>> On Tue, Sep 8, 2015 at 11:54 AM, Dave Townsend <dtownsend at mozilla.com>
>>>> wrote:
>>>> > Currently Firefox's safe mode disabled all add-ons bringing the user
>>>> back to
>>>> > stock Firefox. What about system add-ons though? We've been talking
>>>> about
>>>> > system add-ons as being required pieces of functionality that the
>>>> user won't
>>>> > see in the add-ons manager and (generally) won't be able to turn off.
>>>> > Treating them as normal add-ons for safe mode purposes breaks that.
>>>> >
>>>> > The point of safe mode is to revert the user to a working state
>>>> almost like
>>>> > having a clean profile so I propose that in safe mode any system
>>>> add-ons
>>>> > that have been updated mid-cycle are ignored and instead we revert
>>>> the user
>>>> > to the system add-ons that shipped with their current Firefox install.
>>>> >
>>>> > Any arguments against?
>>>> >
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>>>> >
>>>>
>>>
>>>
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