Thunderbird 60 beta - marketing the changes / improvements

Wayne Mery vseerror at
Tue Mar 27 14:17:52 UTC 2018

On 3/27/2018 9:25 AM, Tanstaafl wrote:
> On Mon Mar 26 2018 12:44:50 GMT-0400 (Eastern Standard Time), Tanstaafl
> <tanstaafl at> wrote:
>> Wouldn't it make sense to first answer the question of whether or not 60
>> will completely and totally break all Addons, as was suggested by
>> Patrick here (to say this is extremely concerning to me would be an
>> understatement):
> Ok, while it has been established that, for now at least, 60 apparently
> won't break all Addons, I'd really like to hear if anyone has pursued at
> or at least given serious thought to something Philipp Kewisch mentioned
> about a year ago with respect to adding our own WebExtension APIs just
> for Thunderbird to make it easier (or even possible) to do the things we
> want/need to be able to do.

You are a bit behind. There is already a statement about webextensions 
at - a link which 
as been posted multiple times.

If you are looking for something more definitive or descriptive, no one 
has the cycles to dig into this more deeply right now, as we are 
currently burdened with many other tasks - like version 60, etc.

But more hands, i.e. volunteers, would make light work.

> He said it could be done relatively easily. This sounds like another
> Long-Term option that should be seriously considered, and would provide
> a much longer window for the long, slow gradual rewrite (which is
> hopefully now settled as to the way forward).
> I'm also curious why the Firefox alternatives (Waterfox, etc) haven't
> taken this approach to provide an expanded set of APIs for Firefox itself.
> Anyway, here is what he said:
> On 3/19/2017, 12:46:47 PM, Philipp Kewisch <mozilla at> wrote:
>>  From what I have seen it is fairly easy to extend the WebExtensions
>> API without making any changes to m-c, so we may be lucky. It is just
>> a matter of a category manager entry to load the right scripts.
>> We should even be able to provide the "WebExtension Experiments" so
>> add-on authors can test new API and propose it to be added to
>> Thunderbird. Obviously we should be making sure that the APIs added
>> are not too broad.
>> Keep your fingers crossed :)
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