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<span>Versions</span>
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<hgroup>
<h1>Lightning Version History</h1>
<h3><b>14</b> versions</h3>
</hgroup>
</header>
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<h2>Be careful with old versions!</h2>
<p>These versions are displayed for reference and testing purposes. You should always use the <a href="/en-US/thunderbird/addon/lightning/">latest version</a> of an add-on.</p>
</div>
<div class="items">
<div class="version item" id="version-1.0">
<div class="info">
<h3><a href="/en-US/thunderbird/addon/lightning/versions/1.0"
title="Permanent link to this version">
Version 1.0</a>
<span class="meta">
<time datetime="2011-11-07T12:50:11Z">
Released November 7, 2011
</time>
<span class="filesize">
3.0 MB
</span>
</span>
<span class="meta compat">
Works with
Thunderbird 8.0a1 - 8.*, SeaMonkey 2.5a1 - 2.5.*
</span>
</h3>
<div class="desc prose" >
The most notable bugfixes and new features are:<br><br><ul> <li>Full offline support, when the "Cache" is enabled for a calendar</li> <li>Improve diagnostics for the ICS provider</li> <li>Fix the top startup crash. Please give Lightning another try if you previously had issues</li> <li>Some fixes for the alarm system, specifically related to snoozing and recurring events</li> <li>Allow opening events already accepted via invitation</li> <li>Fresh new UI style for all calendar views</li></ul><br>You can find the <a href="http://outgoing.mozilla.org/v1/5f1dcfe8cc6b5a2f36e8d018b3bb6a7de6f3ab5b/http%3A//www.mozilla.org/projects/calendar/releases/lightning1.0.html" rel="nofollow">full release notes</a> on the calendar website.
</div>
<ul class="source">
<li>
Source code released under <a target="_blank" href="http://www.mozilla.org/MPL/MPL-1.1.html">Mozilla Public License, version 1.1</a> </li>
<li>
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<div class="install featuredaddon"
data-addon="2313"
data-icon="https://static-cdn.addons.mozilla.net/en-US/firefox/images/addon_icon/2313-32.png?modified=1320793644"
data-developers="/en-US/thunderbird/addon/lightning/developers"
data-name="Lightning"
data-min="8.0a1"
data-max="8.*"
>
<p class="install-button">
<a class="button download platform linux"
data-hash="sha256:4ccde238cef523682973560e0ae0053cf75aca8d50de76b1355357b063450626"
href="https://addons.mozilla.org/thunderbird/downloads/file/136538/lightning-1.0-tb+sm-linux.xpi?src=version-history"
>
<b></b>
<span>
Download
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for Linux
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data-hash="sha256:035238d2dbac64385b25b05baa42bb1d469ba112a4b3ea37ade7df4a14473326"
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>
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>
<b></b>
<span>
Download
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for Windows
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</div>
<div class="version item" id="version-1.0rc3">
<div class="info">
<h3><a href="/en-US/thunderbird/addon/lightning/versions/1.0rc3"
title="Permanent link to this version">
Version 1.0rc3</a>
<span class="meta">
<time datetime="2011-11-07T12:37:18Z">
Released November 7, 2011
</time>
<span class="filesize">
3.0 MB
</span>
</span>
<span class="meta compat">
Works with
Thunderbird 8.0a1 - 8.*, SeaMonkey 2.5a1 - 2.5.*
</span>
</h3>
<div class="desc prose" >
This beta release is identical to <a href="https://addons.mozilla.org/thunderbird/addon/lightning/versions/?page=1#version-1.0" rel="nofollow">Lightning 1.0</a>, but on the developer channel to make sure the latest version is available to users of the developer channel.
</div>
<ul class="source">
<li>
Source code released under <a target="_blank" href="http://www.mozilla.org/MPL/MPL-1.1.html">Mozilla Public License, version 1.1</a> </li>
<li>
<a class="license-faq" href="/en-US/thunderbird/faq#license">
What's this?</a>
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<div class="install unreviewed beta"
data-addon="2313"
data-icon="https://static-cdn.addons.mozilla.net/en-US/firefox/images/addon_icon/2313-32.png?modified=1320793644"
data-developers="/en-US/thunderbird/addon/lightning/developers"
data-name="Lightning"
data-min="8.0a1"
data-max="8.*"
>
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data-realurl="https://addons.mozilla.org/thunderbird/downloads/file/136535/lightning-1.0rc3-tb+sm-linux.xpi?src=version-history"
>
<b></b>
<span>
Download
<span class="os" data-os="Linux">
for Linux
</span>
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<a class="button download caution platform mac"
data-hash="sha256:c405825121fdb30bdaff23c2f53e8a871290c746551b5685aca9c4bfb3826fce"
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data-realurl="https://addons.mozilla.org/thunderbird/downloads/file/136536/lightning-1.0rc3-tb+sm-mac.xpi?src=version-history"
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Download
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for Mac OS X
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data-realurl="https://addons.mozilla.org/thunderbird/downloads/file/136537/lightning-1.0rc3-tb+sm-windows.xpi?src=version-history"
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<b></b>
<span>
Download
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<div class="version item" id="version-1.0rc2">
<div class="info">
<h3><a href="/en-US/thunderbird/addon/lightning/versions/1.0rc2"
title="Permanent link to this version">
Version 1.0rc2</a>
<span class="meta">
<time datetime="2011-10-24T17:39:12Z">
Released October 24, 2011
</time>
<span class="filesize">
2.9 MB
</span>
</span>
<span class="meta compat">
Works with
Thunderbird 8.0 - 8.0, SeaMonkey 2.5 - 2.5
</span>
</h3>
<div class="desc prose" >
</div>
<ul class="source">
<li>
Source code released under <a target="_blank" href="http://www.mozilla.org/MPL/MPL-1.1.html">Mozilla Public License, version 1.1</a> </li>
<li>
<a class="license-faq" href="/en-US/thunderbird/faq#license">
What's this?</a>
</li>
</ul>
</div>
<div class="action">
<div class="install-shell">
<div class="install unreviewed beta"
data-addon="2313"
data-icon="https://static-cdn.addons.mozilla.net/en-US/firefox/images/addon_icon/2313-32.png?modified=1320793644"
data-developers="/en-US/thunderbird/addon/lightning/developers"
data-name="Lightning"
data-min="8.0"
data-max="8.0"
>
<p class="install-button">
<a class="button download caution platform linux"
data-hash="sha256:6b43b53116b6310ccba88e050c267821c61116db59c979be9e1e7d8dd171737e"
href="/en-US/thunderbird/addon/lightning/"
data-realurl="https://addons.mozilla.org/thunderbird/downloads/file/135269/lightning-1.0rc2-tb+sm-linux.xpi?src=version-history"
>
<b></b>
<span>
Download
<span class="os" data-os="Linux">
for Linux
</span>
</span>
</a>
<a class="button download caution platform mac"
data-hash="sha256:146c20b3eb0749a0824aeb725334ac31ab0d8eec81354e2c698b1c8ef2ba74ec"
href="/en-US/thunderbird/addon/lightning/"
data-realurl="https://addons.mozilla.org/thunderbird/downloads/file/135270/lightning-1.0rc2-tb+sm-mac.xpi?src=version-history"
>
<b></b>
<span>
Download
<span class="os" data-os="Mac OS X">
for Mac OS X
</span>
</span>
</a>
<a class="button download caution platform windows"
data-hash="sha256:b292923134fa51491beea7cfcd3272ee44fa1873184647ef0435130854315401"
href="/en-US/thunderbird/addon/lightning/"
data-realurl="https://addons.mozilla.org/thunderbird/downloads/file/135274/lightning-1.0rc2-tb+sm-windows.xpi?src=version-history"
>
<b></b>
<span>
Download
<span class="os" data-os="Windows">
for Windows
</span>
</span>
</a>
</p>
</div>
</div>
</div>
</div>
<div class="version item" id="version-1.0rc1">
<div class="info">
<h3><a href="/en-US/thunderbird/addon/lightning/versions/1.0rc1"
title="Permanent link to this version">
Version 1.0rc1</a>
<span class="meta">
<time datetime="2011-10-06T19:54:35Z">
Released October 6, 2011
</time>
<span class="filesize">
2.9 MB
</span>
</span>
<span class="meta compat">
Works with
Thunderbird 8.0 - 8.0, SeaMonkey 2.5 - 2.5
</span>
</h3>
<div class="desc prose" >
</div>
<ul class="source">
<li>
Source code released under <a target="_blank" href="http://www.mozilla.org/MPL/MPL-1.1.html">Mozilla Public License, version 1.1</a> </li>
<li>
<a class="license-faq" href="/en-US/thunderbird/faq#license">
What's this?</a>
</li>
</ul>
</div>
<div class="action">
<div class="install-shell">
<div class="install unreviewed beta"
data-addon="2313"
data-icon="https://static-cdn.addons.mozilla.net/en-US/firefox/images/addon_icon/2313-32.png?modified=1320793644"
data-developers="/en-US/thunderbird/addon/lightning/developers"
data-name="Lightning"
data-min="8.0"
data-max="8.0"
>
<p class="install-button">
<a class="button download caution platform linux"
data-hash="sha256:dd53db08560bc5af856607d0fee4bcaa83ccde974a2637d9dfe39617026af681"
href="/en-US/thunderbird/addon/lightning/"
data-realurl="https://addons.mozilla.org/thunderbird/downloads/file/133999/lightning-1.0rc1-tb+sm-linux.xpi?src=version-history"
>
<b></b>
<span>
Download
<span class="os" data-os="Linux">
for Linux
</span>
</span>
</a>
<a class="button download caution platform mac"
data-hash="sha256:829454fc495fd68b545fd4b0aa9d751baba053ce8d457f6ecf7d77ce3ed4f1d8"
href="/en-US/thunderbird/addon/lightning/"
data-realurl="https://addons.mozilla.org/thunderbird/downloads/file/134000/lightning-1.0rc1-tb+sm-mac.xpi?src=version-history"
>
<b></b>
<span>
Download
<span class="os" data-os="Mac OS X">
for Mac OS X
</span>
</span>
</a>
<a class="button download caution platform windows"
data-hash="sha256:b69dd61e967cdec22d004f22ed12bca5d4e30df407e4cd083b742914315ca39a"
href="/en-US/thunderbird/addon/lightning/"
data-realurl="https://addons.mozilla.org/thunderbird/downloads/file/134001/lightning-1.0rc1-tb+sm-windows.xpi?src=version-history"
>
<b></b>
<span>
Download
<span class="os" data-os="Windows">
for Windows
</span>
</span>
</a>
</p>
</div>
</div>
</div>
</div>
<div class="version item" id="version-1.0b7">
<div class="info">
<h3><a href="/en-US/thunderbird/addon/lightning/versions/1.0b7"
title="Permanent link to this version">
Version 1.0b7</a>
<span class="meta">
<time datetime="2011-09-27T00:11:23Z">
Released September 26, 2011
</time>
<span class="filesize">
3.0 MB
</span>
</span>
<span class="meta compat">
Works with
Thunderbird 7.0a1 - 7.*, SeaMonkey 2.4a1 - 2.4.*
</span>
</h3>
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Version 1.0b5</a>
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<time datetime="2011-07-29T08:14:40Z">
Released July 29, 2011
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This release fixes some urgent issues that slipped in to 1.0b4. The most important are:<br><br><ul> <li> Remote calendar with webcal:// location not working</li> <li>Thunderbird Does Not Process Meeting Invites from Outlook, Google Calendar</li> <li> startup crash [@ cal::UTC()] </li> <li> wcap not working since TB5 and Lightning 1.0b4rc2</li> <li> Snoozing/Dismissing one event on alarm popup closes entire window</li> <li> Event invitation not sent out when Outlook compatiblity is checked</li></ul>
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Version 1.0b4</a>
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Released June 27, 2011
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Version 1.0b2</a>
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<time datetime="2010-06-24T13:26:26Z">
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<div class="desc prose" >
<b>What's New in Lightning 1.0 beta2</b><br>Lightning 1.0 beta2 is the latest release of our calendar extension for Mozilla Thunderbird®. We recommend that all users upgrade to this latest version.<br><br>The following features have been added to Lightning 1.0 beta2:<br><ul><li>You can now print out your tasks</li><br> <li>Improved calendar view navigation, performance improved</li><br> <li>Better error handling when adding or subscribing to calendars</li><br> <li>Allow setting different start and end timezones for events and tasks</li><br> <li>CalDAV support and interoperability with various CalDAV servers have <br> been improved</li><br> <li>Performance improvement and reduced network load when accessing certain CalDAV<br> servers (webdav-sync specification)</li><br><br> <li>The application stability, performance and memory consumption have been <br> improved</li><br> <li>A full list of changes that have gone into this release can be found on <br> <a href="http://outgoing.mozilla.org/v1/46f857392d491114266fe48cff09caf5426ad648/http%3A//www.rumblingedge.com/2006/11/20/sunbird-release-changelogs/">The <br> Rumbling Edge website</a>.</li><br> </ul><br><br><br>Please read these notes and the <a href="http://outgoing.mozilla.org/v1/8097ef9ebb1a6d00d1147871e0dc2a4fa6d617df/http%3A//wiki.mozilla.org/Calendar%3AQA_Home%23Filing_Bugs">bug filing instructions</a> before reporting any bugs to <a href="http://outgoing.mozilla.org/v1/d1405fde14404c439089bce6fc2b7b1de7bee075/https%3A//bugzilla.mozilla.org/">Bugzilla</a>.<br><br>Release Date: July 24th, 2010<br><br><b>Installing</b><br>We provide Lightning for Windows, Linux and Mac OS X in a variety of languages. Windows users must have Windows XP or later. Mac OS X users need to use MAC OS X 10.4 or later.<br><br><b>IMPORTANT:</b> Install the updated timezones for Windows XP or later. Information on obtaining the updated timezones can be found in <a href="http://outgoing.mozilla.org/v1/04fbeca3a76a43da7ed65bb97ecd05413b102d8c/http%3A//support.microsoft.com/kb/955839/">Microsoft Knowledge Base article 955839</a>. <b>Not updating your Windows timezones will result in unreliable and erroneous display and entry of time data! Be sure to do this!</b><br><br>Lightning runs as an extension for Mozilla Thunderbird 3.1.x. Thunderbird 2.0.0.x or 3.0.x is no longer supported. Please use the earlier 1.0b1 (Thunderbird 3.0.x) or 0.9 (Thunderbird 2.0.0.x) release if you still use an earlier version of Thunderbird.<br><br>If you are using Seamonkey, please also use the older Lightning 1.0b1. This release doesn't support Seamonkey, but the next release will likely do so again.<br><br><br><ul><li>Right-click (Control-click on Mac) the download link and choose "Save Link As..." to download and save the .XPI file to your your hard disk</li><br> <li>In Mozilla Thunderbird, under the "Tools" menu, open the "Add-ons Manager"</li><br> <li>Click the "Install" button, locate and select the .XPI file you downloaded in step 1, and click "OK"</li><br> <li>Restart Mozilla Thunderbird</li><br></ul><b>Known Issues</b><br>This list covers the major known issues with Lightning 1.0 beta2. Please read this list before reporting any new bugs.<br><br><b>All Systems</b><br><ul><li>Lightning 1.0 beta2 will attempt to guess your timezone on startup. As this<br> is only a best guess, you <strong>must</strong> manually set the timezone<br> in the Thunderbird Preferences/Options dialog before entering data. Not<br> doing so may cause events to appear at the wrong time</li><br><br> <li>The <strong>experimental</strong> support for viewing remote calendars <br> offline has various known issues in the area of performance and calendar <br> data display. It does not support the offline editing of events and tasks</li><br> <li>It is impossible to load several calendars with different passwords on <br> the same server.<br> (<a href="http://outgoing.mozilla.org/v1/0e8191e9aa31a534cdc6b73042dabb81857df7a9/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D247486">bug 247486</a>)</li><br> <li>"By weekday" and "by day" recurrence types (such as "recur on the last <br> weekday of the month") are not supported.<br> (<a href="http://outgoing.mozilla.org/v1/8477121225741894fd57bd2887b1a5775c771e46/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D322458">bug 322458</a>)</li><br> <li>Concurrent editing of remote calendars by multiple users can lose data.<br> (<a href="http://outgoing.mozilla.org/v1/0ba06ce2bb76929b84dd5dccf30af3ca6e75fa4d/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D329570">bug 329570</a>)</li><br><br> <li>There are intermittent issues when modifying occurrences of recurring <br> events via iMIP and Copy/Paste.<br> (<a href="http://outgoing.mozilla.org/v1/7ac427eab61ed4ea9dcf9a0b3ddde78edacce068/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D354578">bug 354578</a>)</li><br> <li>Under some instances the "Do you want to save your changes" dialog does <br> not come up when editing events in the event dialog.<br> (<a href="http://outgoing.mozilla.org/v1/8274fde1dd3ea5a0ac3ea32de6e020227f2fe1db/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D364387">bug 364387</a>)</li><br> <li>Multiple windows of the same single event can be opened from the Agenda, <br> the task list and the unifinder.<br> (<a href="http://outgoing.mozilla.org/v1/6b8ed78220dc184953448292ae977c7a5902c3c8/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D373251">bug 373251</a>)</li><br> <li>E-Mail invites sent out by Lightning in Outlook 2000/2002/XP compatibility <br> mode, will only be shown by Outlook 2000 if the Service Pack 3 (SP3) has been<br> installed.<br> (<a href="http://outgoing.mozilla.org/v1/2dc8016739f1726ba9473213122a1e3083b74bc4/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D377761">bug 377761</a>)</li><br><br> <li>Popup alarms/reminders don't work with WCAP server<br> (<a href="http://outgoing.mozilla.org/v1/bbc1b0c8f520b921e451efeaee68bb41bfd8aa88/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D380423">bug 380423</a>)</li><br><br> <li>Adding events or tasks to a CalDAV calendar whose display has been turned off, <br> will not re-enable the display of that calendar.<br> (<a href="http://outgoing.mozilla.org/v1/fbb20ddc08fbaf92b23980c34658e989962c5a12/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D421986">bug 421986</a>)</li><br> <li>Lightning cannot send out task invitations and you cannot accept or decline<br> task invitations from within your e-mail inbox.<br> (<a href="http://outgoing.mozilla.org/v1/ced0ddcda4cab2662d19497db2585cfee68adb31/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D445982">bug 445982</a>)</li><br><br> <li>There are interoperability issues with versions of the DAViCal (RSCDS) <br> CalDAV server prior to release 0.9.5. People using earlier releases of <br> DAViCal are advised to stay with Lightning 0.8 until they can upgrade their <br> DAViCal installation to the current version.<br> (<a href="http://outgoing.mozilla.org/v1/fd3461d375db7146569fa2c78b4b86b517634aae/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D448453">bug 448453</a>)</li><br> <li>Events with an UID that contains '/' are not displayed<br> (<a href="http://outgoing.mozilla.org/v1/ba819510a09dc424d14b3e6e36a6e95d039e9e01/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D465853">bug 465853</a>)</li><br> <li>Due to an internal database upgrade, the first startup after upgrading<br> from an earlier version might be slow. This is a one-time issue and will not happen again.<br> (<a href="http://outgoing.mozilla.org/v1/8ad40ce9031c85920e5c6651f189f889fa9973cf/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D529326">Bug 529326</a>,<br> <a href="http://outgoing.mozilla.org/v1/6862611f40b3f7908365a888038ebad469f4b3ec/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D479867">Bug 479867</a>)</li><br><br> <li>Lightning breaks viewing RSS feeds when changing layout mode (wide, vertical, ...)<br> (<a href="http://outgoing.mozilla.org/v1/4f50e0c674ee0417e8857d510a8ea611d8e22b9e/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D532071">Bug 532071</a>)</li><br> </ul><b>Windows</b><br> <ul><li>Printing a calendar does not work on the first attempt, but will work on the following attempts. (<a href="http://outgoing.mozilla.org/v1/7ddac2f8857179c9490b6c07f07abd62f7e279dc/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D351581">bug 351581</a>)</li><br> </ul><b>Localizations</b><br>Thanks to the hard work of our <a href="http://outgoing.mozilla.org/v1/11147d40944b518134f1a550a2dc78bf373877a2/http%3A//wiki.mozilla.org/L10n%3ALocalization_Teams">localization teams</a>, Lightning 1.0 beta2 ships with the following locales pre-installed:<br><ul><li>Basque - Euskara</li><br> <li>Catalan - Català</li><br> <li>Chinese (Simplified) - 中文 (简体)</li><br> <li>Chinese (Traditional) - 中文 (繁體)</li><br><br> <li>Czech - Čeština</li><br> <li>Danish - Dansk</li><br> <li>Dutch - Nederlands</li><br> <li>English (United States)</li><br> <li>Estonian - Eesti keel</li><br><br> <li>French - Français</li><br> <li>Frisian - Frysk</li><br> <li>German - Deutsch</li><br> <li>Hungarian - Magyar</li><br> <li>Indonesian - Bahasa Indonesia</li><br> <li>Irish - Gaeilge</li><br><br> <li>Italian - Italiano</li><br> <li>Japanese - 日本語</li><br> <li>Korean - 한국어</li><br> <li>Lithuanian - lietuvių</li><br> <li>Norwegian (Bokmål) - Norsk bokmål</li><br><br> <li>Norwegian (Nynorsk) - Norsk nynorsk</li><br> <li>Polish - Polski</li><br> <li>Portuguese (Brazilian) - Português (do Brasil)</li><br> <li>Portuguese (Portugal) - Português (Europeu)</li><br> <li>Punjabi - ਪੰਜਾਬੀ</li><br><br> <li>Russian - Русский</li><br> <li>Sinhala - සිංහල</li><br> <li>Slovak - Slovenský</li><br> <li>Slovenian - Slovenščina</li><br> <li>Spanish (Latin America) - Español (de América)</li><br><br> <li>Spanish (Spain) - Español (de España)</li><br> <li>Turkish - Türkçe</li><br> <li>Ukrainian - украї́нська мо́ва</li><br> <li>Vietnamese - Tiếng Việt</li><br></ul>
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<div class="version item" id="version-1.0b1">
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Version 1.0b1</a>
<span class="meta">
<time datetime="2010-01-12T12:26:20Z">
Released January 12, 2010
</time>
<span class="filesize">
2.5 MB
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Works with
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</h3>
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Lightning 1.0 beta1 is the latest stable release built for Thunderbird 3 and SeaMonkey 2 and contains nearly 500 bugfixes and improvements over the 0.9 release, that improve the add-on's stability, performance and memory consumption.<br><br>Please read these notes and the <a href="http://outgoing.mozilla.org/v1/8097ef9ebb1a6d00d1147871e0dc2a4fa6d617df/http%3A//wiki.mozilla.org/Calendar%3AQA_Home%23Filing_Bugs">bug filing instructions</a> before reporting any bugs to <a href="http://outgoing.mozilla.org/v1/d1405fde14404c439089bce6fc2b7b1de7bee075/https%3A//bugzilla.mozilla.org/">Bugzilla</a>.<br><br><b>What's New in Lightning 1.0 beta1</b><br>Lightning 1.0 beta1 is the latest release of our calendar extension for Mozilla Thunderbird®. We recommend that all users upgrade to this latest version.<br><br>The following features have been added to Lightning 1.0 beta1:<br><ul><li>Seamless integration into the new Thunderbird 3.0 user interface</li><br> <li>The different modes (calendar view, task view) are now diplayed in tabs</li><br> <li>Lightning now supports SeaMonkey 2.0 as a host application</li><br> <li>You can now define multiple alarms for a single event</li><br> <li>CalDAV support and interoperability with various CalDAV servers has been improved</li><br> <li>The application stability, performance and memory consumption has been improved</li><br> </ul><br>Release Date: January 12, 2010<br><br><b>Installing</b><br>We provide Lightning for Windows, Linux and Mac OS X in a variety of languages. Windows users must have Windows XP or later. Mac OS X users need to use MAC OS X 10.4 or later.<br><br><b>IMPORTANT:</b> Install the updated timezones for Windows XP or later. Information on obtaining the updated timezones can be found in <a href="http://outgoing.mozilla.org/v1/04fbeca3a76a43da7ed65bb97ecd05413b102d8c/http%3A//support.microsoft.com/kb/955839/">Microsoft Knowledge Base article 955839</a>. <b>Not updating your Windows timezones will result in unreliable and erroneous display and entry of time data! Be sure to do this!</b><br><br>Lightning runs as an extension for Mozilla Thunderbird 3.0.x. Thunderbird 2.0.0.x is no longer supported. Please use the earlier 0.9 release if you are still a user of Thunderbird 2.0.<br><br><ul><li>Right-click (Control-click on Mac) the download link and choose "Save Link As..." to download and save the .XPI file to your your hard disk</li><br> <li>In Mozilla Thunderbird, under the "Tools" menu, open the "Add-ons Manager"</li><br> <li>Click the "Install" button, locate and select the .XPI file you downloaded in step 1, and click "OK"</li><br> <li>Restart Mozilla Thunderbird</li><br></ul><b>Known Issues</b><br>This list covers the major known issues with Lightning 1.0 beta1. Please read this list before reporting any new bugs.<br><br><b>All Systems</b><br><ul><li>Lightning 1.0 beta1 will attempt to guess your timezone on startup. As this is only a best guess, you <b>must</b> manually set the timezone in the Thunderbird Preferences/Options dialog before entering data. Not doing so may cause events to appear at the wrong time</li><br> <li>The <b>experimental</b> support for viewing remote calendars offline has various known issues in the area of performance and calendar data display. It does not support the offline editing of events and tasks</li><br> <li>It is impossible to load several calendars with different passwords on the same server. (<a href="http://outgoing.mozilla.org/v1/0e8191e9aa31a534cdc6b73042dabb81857df7a9/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D247486">bug 247486</a>)</li><br> <li>"By weekday" and "by day" recurrence types (such as "recur on the last weekday of the month") are not supported. (<a href="http://outgoing.mozilla.org/v1/8477121225741894fd57bd2887b1a5775c771e46/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D322458">bug 322458</a>)</li><br> <li>Concurrent editing of remote calendars by multiple users can lose data. (<a href="http://outgoing.mozilla.org/v1/0ba06ce2bb76929b84dd5dccf30af3ca6e75fa4d/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D329570">bug 329570</a>)</li><br> <li>There are intermittent issues when modifying occurrences of recurring events via iMIP and Copy/Paste. (<a href="http://outgoing.mozilla.org/v1/7ac427eab61ed4ea9dcf9a0b3ddde78edacce068/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D354578">bug 354578</a>)</li><br> <li>Under some instances the "Do you want to save your changes" dialog does not come up when editing events in the event dialog. (<a href="http://outgoing.mozilla.org/v1/8274fde1dd3ea5a0ac3ea32de6e020227f2fe1db/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D364387">bug 364387</a>)</li><br> <li>Multiple windows of the same single event can be opened from the Agenda, the task list and the unifinder. (<a href="http://outgoing.mozilla.org/v1/6b8ed78220dc184953448292ae977c7a5902c3c8/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D373251">bug 373251</a>)</li><br> <li>E-Mail invites sent out by Lightning in Outlook 2000/2002/XP compatibility mode, will only be shown by Outlook 2000 if the Service Pack 3 (SP3) has been installed. (<a href="http://outgoing.mozilla.org/v1/2dc8016739f1726ba9473213122a1e3083b74bc4/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D377761">bug 377761</a>)</li><br> <li>Popup alarms/reminders don't work with WCAP server (<a href="http://outgoing.mozilla.org/v1/bbc1b0c8f520b921e451efeaee68bb41bfd8aa88/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D380423">bug 380423</a>)</li><br> <li>Adding events or tasks to a CalDAV calendar whose display has been turned off, will not re-enable the display of that calendar. (<a href="http://outgoing.mozilla.org/v1/fbb20ddc08fbaf92b23980c34658e989962c5a12/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D421986">bug 421986</a>)</li><br> <li>Lightning cannot send out task invitations and you cannot accept or decline task invitations from within your e-mail inbox. (<a href="http://outgoing.mozilla.org/v1/ced0ddcda4cab2662d19497db2585cfee68adb31/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D445982">bug 445982</a>)</li><br> <li>There are interoperability issues with versions of the DAViCal (RSCDS) CalDAV server prior to release 0.9.5. People using earlier releases of DAViCal are advised to stay with Lightning 0.8 until they can upgrade their <br> DAViCal installation to the current version. (<a href="http://outgoing.mozilla.org/v1/fd3461d375db7146569fa2c78b4b86b517634aae/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D448453">bug 448453</a>)</li><br> <li>Events with an UID that contains '/' are not displayed (<a href="http://outgoing.mozilla.org/v1/ba819510a09dc424d14b3e6e36a6e95d039e9e01/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D465853">bug 465853</a>)</li><br> <li>In SeaMonkey 2.0, the Lightning preferences window is not accessible via the add-on manager, but only through the SeaMonkey preferences dialog. (<a href="http://outgoing.mozilla.org/v1/ffcc5c17598525d66ab0b0e1a79d7ca62c017f7d/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D516398">bug 516398</a>)</li><br> <li>Due to an internal database upgrade, the first startup after upgrading from 0.9 to 1.0 beta1 will be slow. This is a one-time issue and will not happen again. (<a href="http://outgoing.mozilla.org/v1/8ad40ce9031c85920e5c6651f189f889fa9973cf/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D529326">Bug 529326</a>)</li><br> <li>Lightning breaks viewing RSS feeds in Wide and Vertical Layouts (a href="<a href="http://outgoing.mozilla.org/v1/a2573edc6925e85b77137f59bbf4c76dd7bcab7c/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D523071">https://bugzilla.mozilla.org/show_bug.cgi?id=523071</a>">Bug 523071)</li><br></ul><b>Windows</b><br> <ul><li>Printing a calendar does not work on the first attempt, but will work on the following attempts. (<a href="http://outgoing.mozilla.org/v1/7ddac2f8857179c9490b6c07f07abd62f7e279dc/https%3A//bugzilla.mozilla.org/show_bug.cgi%3Fid%3D351581">bug 351581</a>)</li><br> </ul><b>Localizations</b><br>Thanks to the hard work of our <a href="http://outgoing.mozilla.org/v1/11147d40944b518134f1a550a2dc78bf373877a2/http%3A//wiki.mozilla.org/L10n%3ALocalization_Teams">localization teams</a>, Lightning 1.0 beta1 ships with the following locales pre-installed:<br><br> <ul><li>Basque - Euskara</li><br> <li>Catalan - Català</li><br> <li>Chinese (Simplified) - 中文 (简体)</li><br> <li>Czech - Čeština</li><br> <li>Danish - Dansk</li><br> <li>Dutch - Nederlands</li><br> <li>English (United States)</li><br> <li>Estonian - Eesti keel</li><br> <li>French - Français</li><br> <li>Frisian - Frysk</li><br> <li>Galician - Galego</li><br> <li>Georgian - ქართული</li><br> <li>German - Deutsch</li><br> <li>Hebrew - עברית</li><br> <li>Hungarian - Magyar</li><br> <li>Indonesian - Bahasa Indonesia</li><br> <li>Irish - Gaeilge</li><br> <li>Icelandic - íslenska<br> </li><li>Italian - Italiano</li><br> <li>Japanese - 日本語</li><br> <li>Korean - 한국어</li><br> <li>Lithuanian - lietuvių</li><br> <li>Norwegian (Bokmål) - Norsk bokmål</li><br> <li>Norwegian (Nynorsk) - Norsk nynorsk</li><br> <li>Polish - Polski</li><br> <li>Portuguese (Brazilian) - Português (do Brasil)</li><br> <li>Portuguese (Portugal) - Português (Europeu)</li><br> <li>Punjabi - ਪੰਜਾਬੀ</li><br> <li>Romanian - română</li><br> <li>Russian - Русский</li><br> <li>Sinhala - සිංහල</li><br> <li>Slovak - Slovenský</li><br> <li>Spanish (Latin America) - Español (de América)</li><br> <li>Spanish (Spain) - Español (de España)</li><br> <li>Tamil (Sri Lanka) - தமிழ் (இலங்கை)</li><br> <li>Turkish - Türkçe</li><br> <li>Vietnamese - Tiếng Việt</li><br> </ul>
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<time datetime="2008-09-23T19:02:57Z">
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The following features have been added to Lightning 0.9:<br><br>* Events spanning days now have a visual indicator indicating them as connected events<br><br>* When reloading a remote calendar a progress indicator is now shown<br><br>* The so-called "minimonth" (small calendar month in the upper left) has been given a visual overhaul<br><br>* The calendar views (day, week, multiweek, month) have been given a visual overhaul<br><br>* The today pane can now be displayed in calendar mode and task mode as well<br><br>* CalDAV support and interoperability with various CalDAV servers has been improved<br><br>* iMip/iTip support (support for email invitations) has been greatly improved<br><br>* The application stability and memory consumption has been greatly improved<br><br>* Lightning 0.9 is intended to be the last release for the Thunderbird 2 series. For the future we are planning to integrate Lightning fully into the upcoming Thunderbird 3 release
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The following features have been added to Lightning 0.8:<br><br>* Lightning 0.8 introduces a task mode that contains the following features<br>** Quick display of current tasks<br>** Task preview pane displaying task parameters like the description, from date, due date, category, etc<br>** Possibility to filter displayed tasks (today's tasks, overdue tasks, completed tasks, etc.)<br><br>* New icon set and reworked menu structure that only offers the user those options that are currently available to him in calendar or task mode<br><br>* Lightning now contains an event list (also known as "unifinder"), which allows the easy selection and sorting of current, future and past events. The unifinder can be easily enabled or disabled by using the "Find events" button on the Calendar toolbar<br><br>* Category colors are now shown next to an event box, giving users a much better overview of their differently categorized events<br><br>* Events with alarms now have a visual indicator showing an alarm bell<br><br>* A totally overhauled alarm dialog<br><br>* Easy conversion of mails, events and tasks into each other. The mode toolbar icons on the left side now function as drop targets, which allows you to convert an e-mail to an event or tasks (or vice versa), just by dragging an e-mail to the calendar icon on the left<br><br>* Visual overhaul for the today pane<br><br>* Lightning now recognizes the timezone definitions in .ics files created by other applications. This fixes the longstanding issue of Lightning miscalculating the date or time of events contained in those files<br><br>* The timezone guessing has been significantly improved<br><br>* Lightning now contains experimental support for viewing remote calendars offline. This feature has known bugs and is included for testing purposes only<br><br>* Lightning contains several performance fixes, which should improve working with larger calendar files<br><br>* You can now define for each of your calendars, whether you want to be notified of alarms for events in these calendars or not<br><br>* Special builds with support for Sun Java Calendar Server (lightning-WCAP) are no longer available as the base extension package now contains all the necessary code<br><br>* Thunderbird 1.5.0.x builds are no longer supported. Users of Thunderbird 1.5.0.x are strongly encouraged to update to Thunderbird 2. Please use the "Check for Updates..." option in the help menu to get the update
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Lightning 0.7 is the latest release of our calendar extension for Mozilla Thunderbird. We recommend that all users upgrade to this latest version.<br><br><br>It is now much easier to switch between the mail and calendar parts of Thunderbird thanks to a user interface redesign<br><br>A redesigned event/task dialog has been enabled to gather feedback from the community. It offers a much cleaner user interface and additional functionality including:<br><br>Events/Tasks can be created in different timezones<br>Attendees can be added from a local or corporate LDAP directory<br><br>Free-Busy information is available for users of the Sun Java Calendar Server<br><br>Integrated display of recurrence patterns, reminders and attendees<br><br>Custom recurrences and reminders<br><br>Clear separation between tasks and events<br><br>The new event summary dialog lists all the details of tasks and events for calendar which are read-only<br><br>The Today Pane gives a quick overview over your current tasks and upcoming events. The Today Pane can be enabled/disabled by a toolbar button<br><br>Colliding events (events in the same time slot) are shrunk so that they fit into the display of a day. This no longer affects other events on the same day<br><br>Localized releases of Lightning and Sunbird in Chinese (simplified), Georgian, Lithuanian, Portuguese (European), Spanish (Argentina) and Turkish
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<h3><a href="/en-US/thunderbird/addon/lightning/versions/0.5"
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Version 0.5</a>
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<time datetime="2007-06-27T18:35:44Z">
Released June 27, 2007
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2.0 MB
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Works with
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</h3>
<div class="desc prose" >
Much more polished user interface in the calendar views<br>Event invitations can be sent and received via iMIP/iTIP (Lightning only)<br>Working hours are back<br>Automatic migration of data in Sunbird 0.2, iCal.app, and Evolution<br>Much improved printing functionality<br>Better integration of Lightning into Mozilla Thunderbird (Printing, Undo/redo, Copy/paste)<br>Support for Google Calendar (via the Google Calendar Provider extension)<br>and much more. A full list of changes that have gone into this release can be found on The Rumbling Edge weblog.
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<h3><a href="/en-US/thunderbird/addon/lightning/versions/0.3.1"
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Version 0.3.1</a>
<span class="meta">
<time datetime="2007-02-19T19:26:58Z">
Released February 19, 2007
</time>
<span class="filesize">
2.2 MB
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</span>
<span class="meta compat">
Works with
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</h3>
<div class="desc prose" >
Be sure to install any Daylight Savings Time updates from your OS vendor. Failure to do so will result in erroneous event times.
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