Thunderbird Calendar aka the Lightning add-on - Quo vadis?

Mihovil Stanić mihovil at miho.im
Thu Aug 1 05:31:15 UTC 2019


Nice to see Jorg taking initiative for increasing Lightning developer 
activity.
Lightning is very important part of Thunderbird and I for one would be 
searching for another client if it weren't for Lightning.
Looking forward to see improvements to speed and fixing long lasting bug 
and enhancements.

Mihovil

01.08.2019 u 0:19, Jörg Knobloch je napisao/la:
> Hi lovers of Thunderbird and calendaring,
>
> have you ever asked yourself where one of the "productivity 
> components", the Thunderbird Calendar is going?
>
> Since TB 38 it's being shipped with Thunderbird on an "opt out" basis, 
> lately it even changed its version numbering scheme from (TB version + 
> 2) / 10 to just using the TB version[1].
>
> But what's happening otherwise?
>
> Long-standing bugs that have been astonishing the community like the 
> inability to process more than one invitation per message[2] or the 
> ability to double-click ICS attachments and process them[3] haven't 
> been addressed for more than a decade now.
>
> Most if not all volunteer Calendar contributors have left, unless 
> Thunderbird hired them[4].
>
> The Calendar blog[5] hasn't seen an update in two years.
>
> Bug triaging is lagging behind[6].
>
> The module page[7] is deserted. I've been on the project since 2015 
> and from the people listed on the page, I've only met Philipp, the 
> module owner.
>
> And there are administrative delays that affect Thunderbird as a 
> whole: Slow reviews of patches (including those of potential new 
> contributors), slow uplift/backport approvals of patches to beta and 
> ESR versions, slow Bugzilla administration, delay of many months to 
> provide the Lightning add-on at addons.thunderbird.net for those using 
> a distribution which doesn't package it[8][9].
>
> Apart from the long-standing issues mentioned above, there are also 
> questions reaching into the future:
>
> Why not integrate the calendar functionality completely into 
> Thunderbird and not ship it as add-on? That would solve endless 
> incompatibility and up/downgrade woes[10][11].
>
> The Calendar code is still using XUL overlays. What's the future of 
> that[12]?
>
> What about the "Provider for Google Calendar" add-on[13]? Can that be 
> retired in favour of CalDAV? The test to make sure it still works has 
> been switched off in August 2018[14].
>
> And finally: What's happening with ical.js, the JavaScript library 
> which is meant to replace the C++ library libical?
>
> I think the Thunderbird Calendar needs fresh wind and a more 
> pro-active leadership.
>
> Jörg (Thunderbird hacker).
>
> [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1520365
> [2] https://bugzilla.mozilla.org/show_bug.cgi?id=547754 from 2010, 
> patch reviewed after almost ONE YEAR(!)
> [3] https://bugzilla.mozilla.org/show_bug.cgi?id=357480 from 2006, 
> closed for public comment
> [4] https://wiki.mozilla.org/Thunderbird/Core_Team
> [5] https://blog.mozilla.org/calendar/
> [6] https://mzl.la/2JLwJqX - bugs of "major" importance
> [7] https://wiki.mozilla.org/Modules/Calendar
> [8] 
> https://mail.mozilla.org/pipermail/tb-planning/2018-December/006303.html
> [9] 
> https://mail.mozilla.org/pipermail/tb-planning/2019-January/006377.html
> [10] https://bugzilla.mozilla.org/show_bug.cgi?id=1493008
> [11] 
> https://support.mozilla.org/en-US/kb/calendar-updates-issues-thunderbird
> [12] https://bugzilla.mozilla.org/show_bug.cgi?id=1508119
> [13] 
> https://addons.thunderbird.net/en-GB/thunderbird/addon/provider-for-google-calendar/
> [14] https://bugzilla.mozilla.org/show_bug.cgi?id=1481180
>
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