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    <font size="-1"><font face="Helvetica, Arial, sans-serif">Nice to
        see Jorg taking initiative for increasing Lightning developer
        activity.<br>
        Lightning is very important part of Thunderbird and I for one
        would be searching for another client if it weren't for
        Lightning.<br>
        Looking forward to see improvements to speed and fixing long
        lasting bug and enhancements.<br>
      </font></font><br>
    Mihovil<br>
    <br>
    <div class="moz-cite-prefix">01.08.2019 u 0:19, Jörg Knobloch je
      napisao/la:<br>
    </div>
    <blockquote type="cite"
      cite="mid:4b897f58-fec6-a5f8-76db-5b9ca13c697a@jorgk.com">Hi
      lovers of Thunderbird and calendaring,
      <br>
      <br>
      have you ever asked yourself where one of the "productivity
      components", the Thunderbird Calendar is going?
      <br>
      <br>
      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].
      <br>
      <br>
      But what's happening otherwise?
      <br>
      <br>
      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.
      <br>
      <br>
      Most if not all volunteer Calendar contributors have left, unless
      Thunderbird hired them[4].
      <br>
      <br>
      The Calendar blog[5] hasn't seen an update in two years.
      <br>
      <br>
      Bug triaging is lagging behind[6].
      <br>
      <br>
      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.
      <br>
      <br>
      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].
      <br>
      <br>
      Apart from the long-standing issues mentioned above, there are
      also questions reaching into the future:
      <br>
      <br>
      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].
      <br>
      <br>
      The Calendar code is still using XUL overlays. What's the future
      of that[12]?
      <br>
      <br>
      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].
      <br>
      <br>
      And finally: What's happening with ical.js, the JavaScript library
      which is meant to replace the C++ library libical?
      <br>
      <br>
      I think the Thunderbird Calendar needs fresh wind and a more
      pro-active leadership.
      <br>
      <br>
      Jörg (Thunderbird hacker).
      <br>
      <br>
      [1] <a class="moz-txt-link-freetext" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1520365">https://bugzilla.mozilla.org/show_bug.cgi?id=1520365</a>
      <br>
      [2] <a class="moz-txt-link-freetext" href="https://bugzilla.mozilla.org/show_bug.cgi?id=547754">https://bugzilla.mozilla.org/show_bug.cgi?id=547754</a> from 2010,
      patch reviewed after almost ONE YEAR(!)
      <br>
      [3] <a class="moz-txt-link-freetext" href="https://bugzilla.mozilla.org/show_bug.cgi?id=357480">https://bugzilla.mozilla.org/show_bug.cgi?id=357480</a> from 2006,
      closed for public comment
      <br>
      [4] <a class="moz-txt-link-freetext" href="https://wiki.mozilla.org/Thunderbird/Core_Team">https://wiki.mozilla.org/Thunderbird/Core_Team</a>
      <br>
      [5] <a class="moz-txt-link-freetext" href="https://blog.mozilla.org/calendar/">https://blog.mozilla.org/calendar/</a>
      <br>
      [6] <a class="moz-txt-link-freetext" href="https://mzl.la/2JLwJqX">https://mzl.la/2JLwJqX</a> - bugs of "major" importance
      <br>
      [7] <a class="moz-txt-link-freetext" href="https://wiki.mozilla.org/Modules/Calendar">https://wiki.mozilla.org/Modules/Calendar</a>
      <br>
      [8]
      <a class="moz-txt-link-freetext" href="https://mail.mozilla.org/pipermail/tb-planning/2018-December/006303.html">https://mail.mozilla.org/pipermail/tb-planning/2018-December/006303.html</a>
      <br>
      [9]
      <a class="moz-txt-link-freetext" href="https://mail.mozilla.org/pipermail/tb-planning/2019-January/006377.html">https://mail.mozilla.org/pipermail/tb-planning/2019-January/006377.html</a>
      <br>
      [10] <a class="moz-txt-link-freetext" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1493008">https://bugzilla.mozilla.org/show_bug.cgi?id=1493008</a>
      <br>
      [11]
      <a class="moz-txt-link-freetext" href="https://support.mozilla.org/en-US/kb/calendar-updates-issues-thunderbird">https://support.mozilla.org/en-US/kb/calendar-updates-issues-thunderbird</a>
      <br>
      [12] <a class="moz-txt-link-freetext" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1508119">https://bugzilla.mozilla.org/show_bug.cgi?id=1508119</a>
      <br>
      [13]
<a class="moz-txt-link-freetext" href="https://addons.thunderbird.net/en-GB/thunderbird/addon/provider-for-google-calendar/">https://addons.thunderbird.net/en-GB/thunderbird/addon/provider-for-google-calendar/</a><br>
      [14] <a class="moz-txt-link-freetext" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1481180">https://bugzilla.mozilla.org/show_bug.cgi?id=1481180</a>
      <br>
      <br>
      _______________________________________________
      <br>
      tb-planning mailing list
      <br>
      <a class="moz-txt-link-abbreviated" href="mailto:tb-planning@mozilla.org">tb-planning@mozilla.org</a>
      <br>
      <a class="moz-txt-link-freetext" href="https://mail.mozilla.org/listinfo/tb-planning">https://mail.mozilla.org/listinfo/tb-planning</a>
      <br>
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