Calendar Versions

  • Revision slug: Calendar/Calendar_Versions
  • Revision title: Calendar Versions
  • Revision id: 353515
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Revision Content

This page aims to give an overview of what version of Lightning is compatible with what version of Thunderbird. It also shows which Mozilla Platform Version is used in the respective version of Sunbird and Lightning.

The main goal of the Calendar Team is to synchronize the Lightning release cycle with Thunderbird. This usually means we will be using the latest Thunderbird and Mozilla codebase (comm-central and mozilla-central) for active development. If the Thunderbird schedule isn't yet clear, we will backport our changes to an older branch.

Lightning

Development Snapshots

The Lightning builds listed below should be considered unstable and are available for development and testing purpose only.

Lightning
Version
Thunderbird
Version
SeaMonkey
Version
Mozilla Platform
Version
Build Name
and Date
Changelog Comments
2.3a1 21.0a1
"Daily"
2.18a1 mozilla21 "nightly"
(comm-central)
every day
changes in 2.3  
2.2a2
 
20.0a2
"Earlybird"
2.17a2 mozilla20 "alpha"
(comm-aurora)
every day
changes in 2.2  
2.1b1*
 
19.0b1
"Beta"
2.16b1 mozilla19 "beta"
(comm-beta)
February 12, 2013
changes in 2.1 * Visit the link and go down to the "Development Channel" box and download the Lightning version from there. Previous beta builds are listed at Lightning Version History.
2.0b1
 
18.0b1 2.15 mozilla18 November 29, 2012 changes in 2.0 Lightning 2.0 was not officially released. Use this Beta build for SeaMonkey 2.15.

Stable Releases

The Lightning releases listed below are considered stable and are recommend for daily usage.

Lightning
Version
Thunderbird
Version
SeaMonkey
Version
Mozilla Platform
Version
Release Date Changelog
1.9.1 17.0 2.14 mozilla17 not yet released changes in 1.9.1
1.9 17.0 2.14 mozilla17 November 20, 2012 changes in 1.9
1.8 16.0 2.13 mozilla16 October 09, 2012 changes in 1.8
1.7 15.0 2.12 mozilla15 August 28, 2012 changes in 1.7
1.6 14.0 2.11 mozilla14 July 17, 2012 changes in 1.6
1.5.2 13.0 2.10 mozilla13 June 21, 2012 ---
1.5.1 13.0 2.10 mozilla13 June 14, 2012 ---
1.5 13.0 2.10 mozilla13 June 4, 2012 changes in 1.5
1.4 12.0 2.9 mozilla12 April 23, 2012 changes in 1.4
1.3 11.0 2.8 mozilla11 March 13, 2012 changes in 1.3
1.2.3 10.0 2.7 mozilla10 March 9, 2012 ---
1.2.1 10.0 2.7 mozilla10 February 3, 2012 ---
1.2 10.0 2.7 mozilla10 January 23, 2012 changes in 1.2
1.1.1 9.0 2.6 mozilla9 January 5, 2012 changes in 1.1
1.0 8.0 2.5 mozilla8 November 7, 2011  
1.0b7 7.0 2.4 mozilla7 September 27, 2011  
1.0b5 6.0 2.3 mozilla6 July 29, 2011  
1.0b4 5.0 2.2 mozilla5 June 28, 2011  
1.0b2 3.1.* --- mozilla-1.9.2 June 24, 2010  
1.0b1 3.0.* 2.0 mozilla-1.9.1 January 12, 2010  
0.9 2.0.0.* --- mozilla-1.8.1 September 23, 2008  
0.8 2.0.0.* --- mozilla-1.8.1 April 4, 2008  

Stable ESR Releases

Lightning is compatible to the Thunderbird Extended Support Release (ESR) releases. We follow the ESR policy of Thunderbird and only do releases for security fixes. Additionally, there may be backported fixes for important regressions related to enterprise features like invitations.

Lightning
Version
Thunderbird
Version
SeaMonkey
Version
Mozilla Platform
Version
Release Date
1.9 17.0esr 2.14 mozilla17 November 20, 2012
1.2.3 10.0esr 2.7 mozilla10 March 9, 2012

Sunbird

Please note that Sunbird has been discontinued, see this blog post for details. There will be no further Sunbird release until further notice.

Sunbird
Version
Mozilla Platform
Version
Release Date
1.0b1 1.9.1 March 30, 2010
0.9 1.8.1 September 23, 2008
0.8 1.8.1 April 4, 2008

 

Revision Source

<p>This page aims to give an overview of what version of Lightning is compatible with what version of Thunderbird. It also shows which <a href="/en/Gecko" title="en/Gecko">Mozilla Platform Version</a> is used in the respective version of Sunbird and Lightning.</p>
<p>The main goal of the Calendar Team is to synchronize the Lightning release cycle with Thunderbird. This usually means we will be using the latest Thunderbird and Mozilla codebase (comm-central and mozilla-central) for active development. If the Thunderbird schedule isn't yet clear, we will backport our changes to an older branch.</p>
<h2 id="Lightning">Lightning</h2>
<h3 id="Development_Snapshots">Development Snapshots</h3>
<p>The Lightning builds listed below should be considered unstable and are available for development and testing purpose only.</p>
<table class="standard-table">
  <thead>
    <tr>
      <th style="text-align: center;">Lightning<br />
        Version</th>
      <th style="text-align: center;">Thunderbird<br />
        Version</th>
      <th style="text-align: center;">SeaMonkey<br />
        Version</th>
      <th style="text-align: center;">Mozilla Platform<br />
        Version</th>
      <th style="text-align: center;">Build Name<br />
        and Date</th>
      <th style="text-align: center;">Changelog</th>
      <th>Comments</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a href="https://ftp.mozilla.org/pub/mozilla.org/calendar/lightning/nightly/latest-comm-central/" title="https://ftp.mozilla.org/pub/mozilla.org/calendar/lightning/nightly/latest-comm-central/">2.3a1</a></td>
      <td><a href="https://ftp.mozilla.org/pub/mozilla.org/thunderbird/nightly/latest-comm-central/" title="https://ftp.mozilla.org/pub/mozilla.org/thunderbird/nightly/latest-comm-central/">21.0a1</a><br />
        "Daily"</td>
      <td>2.18a1</td>
      <td>mozilla21</td>
      <td>"nightly"<br />
        (comm-central)<br />
        every day</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+resolution:FIXED+milestone:2.3+-milestone:1.2.3" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+resolution:FIXED+milestone:2.3+-milestone:1.2.3">changes in 2.3</a></td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td><a href="https://ftp.mozilla.org/pub/mozilla.org/calendar/lightning/nightly/latest-comm-aurora/" title="https://ftp.mozilla.org/pub/mozilla.org/calendar/lightning/nightly/latest-comm-aurora/">2.2a2</a><br />
        &nbsp;</td>
      <td><a href="https://ftp.mozilla.org/pub/mozilla.org/thunderbird/nightly/latest-comm-aurora/" title="https://ftp.mozilla.org/pub/mozilla.org/thunderbird/nightly/latest-comm-aurora/">20.0a2</a><br />
        "Earlybird"</td>
      <td>2.17a2</td>
      <td>mozilla20</td>
      <td>"alpha"<br />
        (comm-aurora)<br />
        every day</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+resolution:FIXED+milestone:2.2+-milestone:1.2.2" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+resolution:FIXED+milestone:2.2+-milestone:1.2.2">changes in 2.2</a></td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/en-US/thunderbird/addon/lightning/#beta-channel" title="https://addons.mozilla.org/en-US/thunderbird/addon/lightning/#beta-channel">2.1b1</a>*<br />
        &nbsp;</td>
      <td><a href="https://www.mozilla.org/en-US/thunderbird/all-beta.html" title="https://www.mozilla.org/en-US/thunderbird/all-beta.html">19.0b1</a><br />
        "Beta"</td>
      <td>2.16b1</td>
      <td>mozilla19</td>
      <td>"beta"<br />
        (comm-beta)<br />
        February 12, 2013</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+resolution:FIXED+milestone:2.1+-milestone:1.2.1" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+resolution:FIXED+milestone:2.1+-milestone:1.2.1">changes in 2.1</a></td>
      <td>* Visit the link and go down to the "Development Channel" box and download the Lightning version from there. Previous beta builds are listed at <a href="https://addons.mozilla.org/en-US/thunderbird/addon/lightning/versions/" title="https://addons.mozilla.org/en-US/thunderbird/addon/lightning/versions/">Lightning Version History</a>.</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/en-US/thunderbird/addon/lightning/versions/2.0b1" title="https://addons.mozilla.org/en-US/thunderbird/addon/lightning/versions/2.0b1">2.0b1</a><br />
        &nbsp;</td>
      <td>18.0b1</td>
      <td>2.15</td>
      <td>mozilla18</td>
      <td>November 29, 2012</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+resolution:FIXED+milestone:2.0+-milestone:1.2.0" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+resolution:FIXED+milestone:2.0+-milestone:1.2.0">changes in 2.0</a></td>
      <td>Lightning 2.0 was not officially released. Use this Beta build for SeaMonkey 2.15.</td>
    </tr>
  </tbody>
</table>
<h3 id="Stable_Releases">Stable Releases</h3>
<p>The Lightning releases listed below are considered stable and are recommend for daily usage.</p>
<table class="standard-table">
  <thead>
    <tr>
      <th>Lightning<br />
        Version</th>
      <th>Thunderbird<br />
        Version</th>
      <th>SeaMonkey<br />
        Version</th>
      <th>Mozilla Platform<br />
        Version</th>
      <th>Release Date</th>
      <th>Changelog</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>1.9.1</td>
      <td><a href="https://www.mozilla.org/en-US/thunderbird/all.html" title="https://www.mozilla.org/en-US/thunderbird/all.html">17.0</a></td>
      <td>2.14</td>
      <td>mozilla17</td>
      <td>not yet released</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.9.1+resolution:FIXED" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.9.1+resolution:FIXED">changes in 1.9.1</a></td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.9" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.9">1.9</a></td>
      <td><a href="https://www.mozilla.org/en-US/thunderbird/all.html" title="https://www.mozilla.org/en-US/thunderbird/all.html">17.0</a></td>
      <td>2.14</td>
      <td>mozilla17</td>
      <td>November 20, 2012</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.9+-milestone:1.9.1+resolution:FIXED" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.9+-milestone:1.9.1+resolution:FIXED">changes in 1.9</a></td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.8" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.8">1.8</a></td>
      <td>16.0</td>
      <td>2.13</td>
      <td>mozilla16</td>
      <td>October 09, 2012</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.8+resolution:FIXED" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.8+resolution:FIXED">changes in 1.8</a></td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.7" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.7">1.7</a></td>
      <td>15.0</td>
      <td>2.12</td>
      <td>mozilla15</td>
      <td>August 28, 2012</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.7+resolution:FIXED" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.7+resolution:FIXED">changes in 1.7</a></td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.6" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.6">1.6</a></td>
      <td>14.0</td>
      <td>2.11</td>
      <td>mozilla14</td>
      <td>July 17, 2012</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.6+resolution:FIXED" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.6+resolution:FIXED">changes in 1.6</a></td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.5.2" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.5.2">1.5.2</a></td>
      <td>13.0</td>
      <td>2.10</td>
      <td>mozilla13</td>
      <td>June 21, 2012</td>
      <td>---</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.5.1" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.5.1">1.5.1</a></td>
      <td>13.0</td>
      <td>2.10</td>
      <td>mozilla13</td>
      <td>June 14, 2012</td>
      <td>---</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.5" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.5">1.5</a></td>
      <td>13.0</td>
      <td>2.10</td>
      <td>mozilla13</td>
      <td>June 4, 2012</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.5+resolution:FIXED" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.5+resolution:FIXED">changes in 1.5</a></td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.4" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.4">1.4</a></td>
      <td>12.0</td>
      <td>2.9</td>
      <td>mozilla12</td>
      <td>April 23, 2012</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.4+resolution:FIXED" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.4+resolution:FIXED">changes in 1.4</a></td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.3" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.3">1.3</a></td>
      <td>11.0</td>
      <td>2.8</td>
      <td>mozilla11</td>
      <td>March 13, 2012</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.3+resolution:FIXED" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.3+resolution:FIXED">changes in 1.3</a></td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.2.3" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.2.3">1.2.3</a></td>
      <td>10.0</td>
      <td>2.7</td>
      <td>mozilla10</td>
      <td>March 9, 2012</td>
      <td>---</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.2.1" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.2.1">1.2.1</a></td>
      <td>10.0</td>
      <td>2.7</td>
      <td>mozilla10</td>
      <td>February 3, 2012</td>
      <td>---</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.2" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.2">1.2</a></td>
      <td>10.0</td>
      <td>2.7</td>
      <td>mozilla10</td>
      <td>January 23, 2012</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.2+resolution:FIXED" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.2+resolution:FIXED">changes in 1.2</a></td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.1.1" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.1.1">1.1.1</a></td>
      <td>9.0</td>
      <td>2.6</td>
      <td>mozilla9</td>
      <td>January 5, 2012</td>
      <td><a href="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.1+resolution:FIXED" title="https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL+:calendar+milestone:1.1+resolution:FIXED">changes in 1.1</a></td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.0" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.0">1.0</a></td>
      <td>8.0</td>
      <td>2.5</td>
      <td>mozilla8</td>
      <td>November 7, 2011</td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.0b7" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.0b7">1.0b7</a></td>
      <td>7.0</td>
      <td>2.4</td>
      <td>mozilla7</td>
      <td>September 27, 2011</td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.0b5" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.0b5">1.0b5</a></td>
      <td>6.0</td>
      <td>2.3</td>
      <td>mozilla6</td>
      <td>July 29, 2011</td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.0b4" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.0b4">1.0b4</a></td>
      <td>5.0</td>
      <td>2.2</td>
      <td>mozilla5</td>
      <td>June 28, 2011</td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.0b2" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.0b2">1.0b2</a></td>
      <td><span class="external">3.1.*</span></td>
      <td>---</td>
      <td>mozilla-1.9.2</td>
      <td>June 24, 2010</td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.0b1" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.0b1">1.0b1</a></td>
      <td>3.0.*</td>
      <td>2.0</td>
      <td>mozilla-1.9.1</td>
      <td>January 12, 2010</td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/0.9" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/0.9">0.9</a></td>
      <td>2.0.0.*</td>
      <td>---</td>
      <td>mozilla-1.8.1</td>
      <td>September 23, 2008</td>
      <td>&nbsp;</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/0.8" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/0.8">0.8</a></td>
      <td>2.0.0.*</td>
      <td>---</td>
      <td>mozilla-1.8.1</td>
      <td>April 4, 2008</td>
      <td>&nbsp;</td>
    </tr>
  </tbody>
</table>
<h3 id="Stable_ESR_Releases">Stable ESR Releases</h3>
<p>Lightning is compatible to the Thunderbird Extended Support Release (ESR) releases. We follow the ESR policy of Thunderbird and only do releases for security fixes. Additionally, there may be backported fixes for important regressions related to enterprise features like invitations.</p>
<table class="standard-table">
  <thead>
    <tr>
      <th>Lightning<br />
        Version</th>
      <th>Thunderbird<br />
        Version</th>
      <th>SeaMonkey<br />
        Version</th>
      <th>Mozilla Platform<br />
        Version</th>
      <th>Release Date</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.9" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.9">1.9</a></td>
      <td><a href="http://www.mozilla.org/en-US/thunderbird/organizations/all-esr.html" title="http://www.mozilla.org/en-US/thunderbird/organizations/all-esr.html">17.0esr</a></td>
      <td>2.14</td>
      <td>mozilla17</td>
      <td>November 20, 2012</td>
    </tr>
    <tr>
      <td><a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.2.3" title="https://addons.mozilla.org/thunderbird/addon/lightning/versions/1.2.3">1.2.3</a></td>
      <td>10.0esr</td>
      <td>2.7</td>
      <td>mozilla10</td>
      <td>March 9, 2012</td>
    </tr>
  </tbody>
</table>
<h2 id="Sunbird">Sunbird</h2>
<p>Please note that Sunbird has been discontinued, see <a href="http://weblogs.mozillazine.org/calendar/2009/02/calendar_project_at_a_critical.html" title="http://weblogs.mozillazine.org/calendar/2009/02/calendar_project_at_a_critical.html">this blog post</a> for details. There will be no further Sunbird release until further notice.</p>
<table class="standard-table">
  <thead>
    <tr>
      <th scope="col">Sunbird<br />
        Version</th>
      <th scope="col">Mozilla Platform<br />
        Version</th>
      <th scope="col">Release Date</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a href="http://www.mozilla.org/projects/calendar/releases/sunbird1.0b1.html" title="http://www.mozilla.org/projects/calendar/releases/sunbird1.0b1.html">1.0b1</a></td>
      <td>1.9.1</td>
      <td>March 30, 2010</td>
    </tr>
    <tr>
      <td><a href="http://www.mozilla.org/projects/calendar/releases/sunbird0.9.html" title="http://www.mozilla.org/projects/calendar/releases/sunbird0.9.html">0.9</a></td>
      <td>1.8.1</td>
      <td>September 23, 2008</td>
    </tr>
    <tr>
      <td><a href="http://www.mozilla.org/projects/calendar/releases/sunbird0.8.html" title="http://www.mozilla.org/projects/calendar/releases/sunbird0.8.html">0.8</a></td>
      <td>1.8.1</td>
      <td>April 4, 2008</td>
    </tr>
  </tbody>
</table>
<p>&nbsp;</p>
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