[Maildev] Integrating popular and useful extensions into TB

Philipp Kewisch kewisch at thunderbird.net
Wed Dec 6 17:43:54 EST 2017

One thing we need to keep in mind is that each additional add-on integrated is a maintenance burden. We will be obligated to keep the feature even if the add-on developer doesn’t want to support the feature any longer.

Did you also discuss the possibility of providing WebExtension apis so that the top 10 addons can continue to exist?


> On 6. Dec 2017, at 11:20 PM, Ben Bucksch <ben.bucksch at beonex.com> wrote:
> At today's TB Council meeting, we discussed the options how to deal with breaking addons.
> One suggestion by Wayne that many liked was to integrate popular and useful extensions into TB core. They should contain functionality that is closely related to Thunderbird core, be very useful, and be very popular.
> A good starting point are the list of the most popular 10 or so extensions.
> Another hint are extensions that large enterprise deployments consider vital, e.g. IMAP folder sharing to allow for vacation replacement.
> Here's a filtered list of the most popular addons:
> Name	Userbase	AMO URL
> importexporttools	4,02%	https://addons.mozilla.org/de/thunderbird/addon/324492
> lookout	2,11%	https://addons.mozilla.org/de/thunderbird/addon/4433
> enigmail	1,69%	https://addons.mozilla.org/de/thunderbird/addon/71
> manually-sort-folders	1,42%	https://addons.mozilla.org/de/thunderbird/addon/15102
> compactheader	1,36%	https://addons.mozilla.org/de/thunderbird/addon/13564
> extra-folder-columns	1,27%	https://addons.mozilla.org/de/thunderbird/addon/9716
> quicktext	0,97%	https://addons.mozilla.org/de/thunderbird/addon/640
> gcontactsync	0,90%	https://addons.mozilla.org/de/thunderbird/addon/8451
> signature-switch	0,88%	https://addons.mozilla.org/de/thunderbird/addon/611
> remove-duplicate-messages-alte	0,72%	https://addons.mozilla.org/de/thunderbird/addon/4654
> send-later-3	0,70%	https://addons.mozilla.org/de/thunderbird/addon/195275
> gmail-conversation-view	0,62%	https://addons.mozilla.org/de/thunderbird/addon/54035
> mail-merge	0,60%	https://addons.mozilla.org/de/thunderbird/addon/47144
> Here, "Userbase" means the percentage of all TB users that have this particular addon installed. That means e.g. 1 in 166 users have "mail redirect" installed. There may be many more users who would like to use this feature, but don't know that the extension exists, and more that would find that feature useful, but don't know that something like this exists. So, we cannot just take the raw numbers, but also need to consider the usefulness for our users in general.
> Please discuss each addon in its own thread. To help finding the thread, please start the subject with "Integrating"
> Ben
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