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[%- mypath = "${template.name}"|replace('[^\/]*$','') -%]
[%- PROCESS "${mypath}/relnote.var" -%]
[%- PROCESS "changes.tmpl" -%]
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="Content-Language" content="en">
<meta http-equiv="Content-Style-Type" content="text/css">
<meta http-equiv="Content-Script-Type" content="text/javascript">

<link rel="top" href="../../" title="SeaMonkey Project">
<link rel="up" href="../" title="SeaMonkey Releases">

<title>[% rnote.basename %] Release Notes</title>
</head>
<body>
<h1>[% rnote.basename %]</h1>

<div class="key-point">
<p>
<font color="#ff0000"><b>You MUST absolutely do a full backup of your profile
before upgrading from a version earlier than SeaMonkey 2.53.1. This version of
SeaMonkey makes changes to your profile that can't be reverted in cases where
you need to go back to the older version.</b></font>
</p>
</div>

<div class="key-point">
<p>The Mozilla backend code SeaMonkey is based on, now usually incorporates
breaking changes in every release. This is especially true for the Mozilla Gecko
add-ons code and the JavaScript interpreter. Consequently, some older extensions
<em>may</em> no longer function properly. If you experience any problems please
refer to the troubleshooting section first. Especially try to disable extensions
first and check if this makes a difference.
<br>
<b>Important only if you upgrade from 2.49.5 or an earlier version:</b>
Due to changes in the user profile, if you have set a master password, you will
have to remove it <b>before</b> upgrading to [% rnote.basename %]. After a
successful upgrade, don't forget to manually remove the files key3.db and cert8.db
in your profile afterwards, as they include credentials and passwords no longer
protected by a master password. You can find the path to your profile folder
entering the special <b>about:support</b> URL in a SeaMonkey browser window.
<br>You can remove your master password by providing an empty password in the
"Change Master Password" dialog. <b>Do not use the "Reset Password" function.
You will lose all stored passwords this way.</b>
<br>
<b>If you have a SeaMonkey 2.53.1 or 2.53.2 language pack installed you need to
remove it before upgrading to this version.</b> These language pack versions
were marked to be compatible with all SeaMonkey 2.53.x releases and cause
breakage when used with a different version. You can then install one of the
provided [% rnote.baseversion %] language packs from the download section after
installation of the base product.
</p>
</div>

<div class="key-point">
<p>
For [% rnote.basename %], the following extensions are included.
<ul>
  <li>ChatZilla</li>
  <li>DOM Inspector</li>
  <li>Lightning</li>
</ul>
Beta versions also contain the following extension.
<ul>
  <li>SeaMonkey Debug and QA UI</li>
</ul>
</p>
</div>

<div class="key-point">
<p>
These release notes describe system requirements, installation instructions,
and known issues for [% rnote.basename %] up to/including [% rnote.name %].
These notes are updated when we receive feedback, so please check back
for new information.
</p>
</div>

<h2 id="new">What's New in [% rnote.basename %]</h2>
<div class="section">
<p>
[% rnote.basename %] contains (among other changes) the following changes relative to
<a href="../seamonkey[% rnote.relativeto.version %]/#new">[% rnote.relativeto.name %]</a>:
</p>
<ul>
  <li>Update Branding info <a
    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1841167">bug 1841167</a>.
  </li>
  <li>Use BugSplat for SeaMonkey crash reporting <a
    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1835524">bug 1835524</a>.
  </li>
  <li>Unify notifications and permissions in SeaMonkey <a
    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1849526">bug 1849526</a>.
  </li>
</ul>
<p>
The following bugs were fixed in our branch of the Gecko source code only:
</p>
<ul>
  <li>Update the NSS and NSPR libraries to the esr 115 versions for the final
    2.53.18 release.
  </li>
  <li>Allow building with system icu again in the final 2.53.18 release <a
    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1864745">bug 1864745</a>.
<p>
[% rnote.basename %] contains (among other changes) the following major changes relative to
<a href="../seamonkey[% rnote.relativeto.stable.version %]/#new">[% rnote.relativeto.stable.name %]</a>:
</p>

<ul>
  <li>The Bookmarks Manager has switched its name to Library, and now also
    includes the History list. When History is invoked, the Library will be
    shown with the History list selected. The extensive modifications were
    needed because of Mozilla Gecko platform API changes.
  </li>
  <li>Download Manager has been migrated to a new API. Although it looks pretty
    much the same as before, the search option is missing and some other minor
    details work differently. The previous downloads history is removed during
    the upgrade.
  </li>
  <li>The layout panel was added to the CSS Grid tools.
  </li>
  <li>TLS 1.3 is the default SSL version now.
  </li>
  <li>Support for all NPAPI plugins like Flash, Java and Silverlight has been removed.
    For displaying pdf files in the browser you can use
    <a href="https://github.com/IsaacSchemm/pdf.js-seamonkey/releases/"> pdf.js-seamonkey</a>
    from Isaac Schemm.
  </li>
  <li>SeaMonkey now uses a new api for formatting regional data like time and
    date. Default is to use the application locale of the current SeaMonkey
    build. If you use a language pack or a different OS formatting this is
    usually not desired. You can change the formatting from the application
    locale to the regional settings locale (OS) in the preferences dialog under
    "Appearance".
  </li>
</ul>

<p>
[% rnote.basename %] uses the same backend as Firefox and contains the relevant
<a href="https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox/#firefox[% changes.sec.tm %]">Firefox [% changes.sec.tm %] security fixes</a>.
</p>
<p>
[% rnote.basename %] shares most parts of the mail and news code with Thunderbird.
Please read the
<a href="https://www.thunderbird.net/en-US/thunderbird/[% changes.tb.tm %]/releasenotes/">Thunderbird [% changes.tb.tm %] release notes</a> for
specific security fixes in this release.
</p>
<p>
Additional important security fixes up to Current Firefox [% changes.fx.esr %]
and Thunderbird  [% changes.tb.esr %] ESR plus many enhancements have been
backported. We will continue to enhance SeaMonkey security in subsequent
2.53.x beta and release versions as fast as we are able to.
</p>

<h3>SeaMonkey-specific changes</h3>
<ul>
  <li>SeaMonkey now uses gtk3 on Linux. If you experience a problem because of
  this please file a bug. Please try another OS theme first. Some of them are
  buggy and cause problems with SeaMonkey, Thunderbird and Firefox.
  </li>
</ul>

</div>

<h2 id="download">Downloading</h2>
<div class="section">
The SeaMonkey project provides official versions and language packs of
[% rnote.name %] for Windows, Linux and macOS in US English and
a small variety of other languages. Community volunteers are also contributing
builds for other platforms. You can <a href="../[% rnote.version %]">download
[% rnote.name %] here</a>.
</div>

<h2 id="install">System Requirements, Installation and Uninstallation</h2>
<div class="section">
Before installing, make sure your computer meets the
<a href="../../doc/system-requirements">system requirements</a>.<br>
Please note that the Windows x64 version will only support Windows 7 x64
and up. You need to uninstall a previous Windows x86 version if you want to use
it. Installing the x64 over the old x86 is not supported and does not remove
the old version which might cause problems later.
<br>[% rnote.name %] will no longer offer to migrate your data from SeaMonkey
1.x or Mozilla 1.x at the first start after installation (<a
href="https://bugzilla.mozilla.org/show_bug.cgi?id=689437">bug 689437</a>).
In order to upgrade from such an old version, install the last SeaMonkey 2.0
release first, do the one-time profile upgrade, uninstall SeaMonkey 2.0 and
then install your target release (e.g. this one).<br>
<b>If you are on an older release we suggest upgrading to SeaMonkey 2.49.5
first.</b><br>
You can find more details about installation, profile data and uninstallation
in our <a href="../../doc/install-and-uninstall">install and uninstall</a>
document.
</div>

<h2 id="addons">Extensions (Add-ons) and Themes</h2>
<div class="section">
<p>
Extensions and Themes for [% rnote.name %] can be installed from the
<a href="https://addons.thunderbird.net/seamonkey/">SeaMonkey Add-Ons</a>
website or the &quot;Get Add-Ons&quot; section in the Add-ons Manager.</p>
<p>
Extensions with binary components such as Enigmail only work for the specific
platform they are released (e.g. win extension for Windows, linux64 for Linux
64 bits). Besides, matching version of extensions for SeaMonkey may not be the
latest available of those versions. Therefore, they need to be adjusted for
each new SeaMonkey release, which also means that an old version of such an
add-on can break SeaMonkey if you disabled compatibility checking (which e.g.
happens when you install the Add-on Compatibility Reporter add-on). Please,
note the following warnings and advice regarding extensions:</p>
<ul>
  <li>Previous versions supported a proprietary JavaScript try/catch solution.
    This was removed in <a
    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1228841">bug 1228841</a>
    and needed to be backported to 2.53.10b1. The backport might break some
    add-ons. One add-on affected is the classic version of DownThemAll.
    A fixed version is available from the <a
    href="https://github.com/dirkf/downthemall-legacy/releases/">DTA forked repo</a>.
  </li>
  <li>For <b>Enigmail</b>, please refer to the
    <a href="https://enigmail.net/index.php/en/home">Enigmail</a> page.
    <br>The latest supported version at the time of the release is currently 3.1.8
    <a href="https://enigmail.net/download/release/3.1/enigmail-3.1.8-esi.xpi">
231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625
    Enigmail</a>.
  </li>
  <li>Adblock Plus 2.9.1 may cause huge memory and CPU consumption and is not
    recommended or officially supported in this SeaMonkey version. Consider
    switching to uBlock.
  </li>
  <li>Lightbird 0.7.1. is not compatible with this version. Until a fixed
    version is released you need to uninstall it.
  </li>
  <li>The latest 1.16.x working version of uBlock can be found
    <a href="https://github.com/gorhill/uBlock-for-firefox-legacy/releases">here</a>.
    Please install the latest legacy version.
  </li>
  <li>The latest 5.1.9 working version of NoScript Classic can be found
    <a href="https://noscript.net/getit">here</a>.
  </li>
  <li>Full theme add-ons are still fully supported but may need changes because
    of user interface and internal changes. If you find any problem with themes,
    contact the theme author. Before reporting a problem with the user interface
    please make sure to recreate it with either the Classic or Modern theme.
  </li>
  <li>Lightweight themes are no longer provided on the SeaMonkey Add-ons site
    and installed existing themes might be broken. Support for web extension
    themes will be added at a later date.
  </li>
  <li>Because of security backports which removed obsolete code, Session Manager
    add-on version 0.8.1.14 or above is required to be compatible with current
    and future 2.53 releases.
  </li>
</ul>

<h2 id="issues">Known Issues</h2>
<div class="section">
This list covers some of the known problems with [% rnote.name %].
Please read this before reporting any new bugs.
<ul>
  <li>The base user agent version was set to 91 to help with website
    compatibility. For YouTube do not set the user agent to identify only as
    Firefox or make sure you are using a site specific user agent for it.
    YouTube will show only a mostly blank page otherwise in some scenarios.
    Enhancements for this are planned in <a
    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1737436">bug 1737436</a>.
  </li>
  <li>Translations might be missing in a few languages in the user interface
    and are being substituted with the corresponding US English terms. Some
    languages like Polish are now missing a translator. Consider helping out
    with translations if you would like to have a 100% translated version.
  </li>
  <li>SeaMonkey might not start under Linux if you downloaded the wrong package.
    <br>We are providing x86 and x64 versions of SeaMonkey for Linux.
    For newer distributions you probably need the Linux x64 version.
  </li>
  <li>Lightning or one of the distributed extensions is disabled under Add-ons.
    <br> Starting with SeaMonkey 2.53.7b1 the distributed extensions can no
    longer be removed. If you have previously enabled one then under some
    circumstance it might be disabled during the upgrade process. If the
    extension is disabled and can not be enabled then it is because an old or
    incompatible version is still present in your profile.
    <br> To clean out old versions use the following instructions:
    <ul>
      <li>Enter "about:config" in the location bar.</li>
      <li>Enter "extensions.installedDistroAddon" in the search field.</li>
      <li>Reset (delete) all keys found.</li>
      <li>Open the Add-ons Manager. If the "remove" button is shown for the
      disabled extension use it. Stored data like your personal calendars will
      not be removed by this action.
      <li>Restart SeaMonkey.</li>
      <li>Disable any distributed extension you do not wish to use.</li>
    </ul>
  </li>
  <li>Unable to connect to secure sites and a certificate error is shown.
    <br>In 99% of all cases this issue is caused by the same problem. Your
    antivirus software or custom firewall acts as a man in the middle and
    intercepts secure https traffic. In order to intercept and scan this
    encrypted network traffic, it normally uses a vendor specific certificate
    which is not installed by default in SeaMonkey by the third party software
    installer. If you want to keep this feature working you need to install one
    or more certificate(s) from the antivirus software in SeaMonkey. You need
    to ask your antivirus software vendor where they are located. Consult the
    SeaMonkey online help to find out how you can import and manage certificates.
  </li>
  <li>If you experience a hang and/or get a message box warning that a script
    is busy when opening the Data Manager try deleting the webappsstore.* files
    from your profile folder when SeaMonkey is not running. These files contain
    data stored by websites and will be recreated during the next start. If
    you are unsure if the information is needed please back up the files before
    deleting them. The problem is tracked in
    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1305624">bug 1305624</a>
    but so far no coding error has been found.
    This problem has been reported frequently when trying to manage passwords.
    But the problem will generally happen just after you open the Data Manager,
    because this component is also used for managing cookies, site preferences
    permissions and other settings.
  </li>
  <li>If you are running Windows 7 "Send to > Mail recipient" might not work.
    More information can be found in
    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1356902">bug 1356902</a>.
    As a workaround install the "Microsoft Visual C++ 2015-2019"
    redistributable runtime library. For x86 install the
    <a href="https://aka.ms/vs/16/release/vc_redist.x86.exe">VS2019 x86 runtime</a>.
    <br>If you are using the x64 build install the
    <a href="https://aka.ms/vs/16/release/vc_redist.x64.exe">VS2019 x64 runtime</a>.
    SeaMonkey x64 was built using the latest VS2019 compiler so make sure to
    upgrade any older VS2017 runtime. Currently the VS2015-VS2022 package is
    still compatible with Windows 7 too so you could also use this one.
  </li>
  <li>If you experience a delay showing the first page after start, please
    delete the Safebrowsing folder in your profile. Bad Safebrowsing data may
    delay showing the first page for up to 30 seconds. The problem is tracked
    in <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1432274">bug 1432274</a>.
    This can occur even if you are not using Safebrowsing because the lists are
    always fetched.
  </li>
  <li>SeaMonkey does not currently support the WebExtensions add-on api. Some
    popular add-ons like NoScript and uBlock Origin are no longer shown because
    of this on the SeaMonkey add-ons website. You can usually get compatible
    versions from the manufacturers site. WebExtensions support is a planned
    feature. Dictionaries and language packs in the WebExtensions format are
    supported.
  </li>
  <li>The SSL 3.0 encryption protocol is no longer supported due to
    security concerns (<a
    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1106470">bug
    1106470</a>). Legacy websites may still rely on it and will not work
    with the newer TLS 1.x protocols. Contact the website administrator
    to update their server to resolve the issue at the source.
  </li>
  <li>The Remember Passwords add-on breaks password handling. Please disable
    or uninstall this add-on using the Add-ons Manager.
  </li>
  <li>You cannot set up a new Sync account or pair a device anymore (<a
    href="https://bugzilla.mozilla.org/show_bug.cgi?id=998807">bug 998807</a>).
  </li>
  <li><strong>Data loss warning:</strong> If you use a profile with this or
    any later version and then try to go back to SeaMonkey 2.49.5 or earlier,
    SeaMonkey will rename your bookmarks and history file to
    places.sqlite.corrupt and create a new places.sqlite file, effectively
    resetting your browsing history. This is because the internal format
    changed and the upgrade process only works in one direction.
    Additionally, running MailNews with local folders and POP3 mail filters may
    produce summary files that are not correctly read by previous versions of
    SeaMonkey. If you decide to go back to a previous version of SeaMonkey, you
    should do it from a profile backup only. Stored passwords and local storage
    will also be unavailable in the old version.
  </li>
  <li>After creating a news account through clicking a news URL, the MailNews
    account wizard may be broken (the account type will always be News). To
    work around the problem, set the mail.server.serverX.valid pref (where
    X is the internal number of the corresponding news account) to true in
    about:config, or delete the invalid news account (<a
    href="https://bugzilla.mozilla.org/show_bug.cgi?id=521861">bug 521861</a>).
  </li>
  <li>WebRTC has been disabled by default. It needs an add-on to enable it per
    site. See the
    <a href="https://github.com/IsaacSchemm/webrtc-permissions-ui-toggle">
    webrtc-permissions-ui-toggle add-on</a>.
  </li>
  <li>Web pages may appear differently in the MailNews feed reader than in the
    browser (<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=662907">bug
    662907</a>). Workaround: Add a "noscript {display:none}" rule to your
    <a href="http://kb.mozillazine.org/UserContent.css">userContent.css</a>
    (note that the Stylish add-on cannot be used here since it does not
    integrate with the MailNews feed reader).
  </li>
  <li>Lightning keyboard shortcuts for accessing the calendar tab from within
    the MailNews window or from the main menu (Ctrl+Shift+C/D) do not work. (<a
    href="https://bugzilla.mozilla.org/show_bug.cgi?id=514512">bug 514512</a>).
  </li>
  <li>If you try to start SeaMonkey using a locked profile, it will crash (see <a
    href="https://bugzilla.mozilla.org/show_bug.cgi?id=573369">bug 573369</a>).
  </li>
  <li>In ChatZilla users are unable to add an exception for an invalid
    certificate unless an override is added to the preferences (see <a
    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1720878">bug 1720878</a>).
  </li>
  <li>Linux:
    <ul>
      <li>SeaMonkey 2.53.7b1 can not be automatically updated to later beta
        versions as it is set to the wrong update channel. To overcome this,
        make sure SeaMonkey 2.53.7b1 is not running, edit the channel-prefs.js
        file located in the defaults/pref directory of the installation
        directory for SeaMonkey 2.53.7b1 and change the app.update.channel pref
        from "release" to "beta". When SeaMonkey is restarted it should then
        find future beta releases.
      </li>
      <li>There is a race condition in libx11 causing applications to randomly
        abort on Ubuntu based distros (see <a
        href="https://bugzilla.mozilla.org/show_bug.cgi?id=1743551">bug
        1743551</a> and <a
        href="https://bugs.launchpad.net/ubuntu/+source/libx11/+bug/1782984">bug
        1782984</a>).
      </li>
    </ul>
  </li>
  <li>Windows:
    <ul>
      <li>You might not be able to install SeaMonkey in Windows 10 if you have
        turned on the Windows Defender Smartscreen feature. Your SeaMonkey
        download will be blocked in the case. To overcome this go to
        "Windows Security->App & browser control" in the new Windows Settings
        and set the "Check apps and files" setting to Warn from Block.
      </li>
      <li>Antivirus scanners may report that some parts of SeaMonkey (e.g. the
        file freebl3.dll) are suspicious. If you downloaded SeaMonkey from one
        of the official download sites, this is a false alarm. You might
        experience problems with secure websites when this happens. To fix the
        issue, instruct your antivirus software to ignore these files (and move
        them out of quarantine) and/or switch to another antivirus software and
        reinstall SeaMonkey.
      </li>
    </ul>
  </li>
  <li>macOS:
    <ul>
      <li>The scrollbar is not always visible on some websites under recent
        macOS versions (10.15 upwards) see <a
        href="https://bugzilla.mozilla.org/show_bug.cgi?id=1684651">
        bug 1684651</a>.
      </li>
      <li>You might not be able to install SeaMonkey under recent macOS
        versions. In this case please read <a
        href="https://support.apple.com/en-gb/guide/mac-help/mh40616/mac">
        Open a Mac app from an unidentified developer</a> for a solution.
      </li>
      <li>When hardware acceleration is off, background colors in the UI
        (toolbar, status bar etc.) might not update correctly when you switch
        focus from/to a window. Users running Macs with certain older hardware
        will experience this even if they haven't turned
        off hardware acceleration in Preferences (Appearance/Content) (<a
        href="https://bugzilla.mozilla.org/show_bug.cgi?id=626096">bug 626096</a>).
      </li>
      <li>SeaMonkey 2.53.7b1 can not be automatically updated to later beta
        versions as it is set to the wrong update channel. To overcome this,
        make sure SeaMonkey 2.53.7b1 is not running, edit the channel-prefs.js
        file located in the Contents/Resources/defaults/pref folder of the
        installation folder for SeaMonkey 2.53.7b1 and change the
        app.update.channel pref from "release" to "beta". When SeaMonkey is
        restarted it should then find future beta releases.
      </li>
    </ul>
  </li>
</ul>
</div>

<h2 id="troubleshooting">Troubleshooting</h2>
<div class="section">
<ul>
  <li>
    Some questions are asked more frequently than others. Have a look at the <a
    href="https://wiki.mozilla.org/SeaMonkey/FAQ">SeaMonkey FAQ</a>.
    Maybe your particular problem has already been solved.
  </li>
  <li>
    Some antivirus software keeps detecting our installers as containing a
    "Trojan" or "Downloader". This is a false positive because of some wrong
    detection mechanism in the antivirus software. The code in question is
    actually from 7-Zip and decompresses the installer so that its contents can
    run and install SeaMonkey. That technology is widely used and probably can
    be used to compress bad as well as good software, but the 7-Zip code itself
    is perfectly safe. Mozilla scans all our files routinely when putting them
    on the FTP server and we assure you that our installers are as clean as the
    official Firefox downloads that are scanned by the same mechanisms.
  </li>
  <li>
    For security, parts of
    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1035091">bug 1035091</a>
    were ported in
    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1411708">bug 1411708</a>.
    This might cause problems with add-ons like Stylish which use moz-document.
    Set the preference &quot;layout.css.moz-document.content.enabled&quot; to
    &quot;true&quot; to overcome this but be aware that this disables the
    added security fix.
  </li>
  <li>
    Poorly designed or incompatible extensions can cause problems with
    SeaMonkey, including make it crash, slow down page display, etc.
    If you encounter strange problems relating to parts of SeaMonkey no longer
    working, the browser not starting, windows with strange or distorted
    appearance, degraded performance, etc, you may be suffering from Extension
    or Theme trouble.
    Restart SeaMonkey in Safe Mode. On Windows, start using the "Safe Mode"
    shortcut created in your Start menu or by running
    <code>seamonkey.exe -safe-mode</code>.
    On Linux, start with <code>/path-to-seamonkey/seamonkey -safe-mode</code>
    or first change to the SeaMonkey installation directory and start with
    <code>./seamonkey -safe-mode</code>, and on macOS, run:
    <p><code>
       cd /Applications/SeaMonkey.app/Contents/MacOS/<br>
       ./seamonkey-bin -safe-mode
    </code></p>
    When started in Safe Mode all extensions are disabled and the Default theme
    is used. Disable the Extension/Theme that is causing trouble and then start
    normally.
  </li>
  <li>
    If you uninstall an extension that is installed with your user profile
    (i.e. you installed it from a Web page) and then wish to install it for all
    user profiles using the -install-global-extension command line flag, you
    must restart SeaMonkey once to cleanse the profile extensions datasource of
    traces of that extension before installing with the switch. If you do not do
    this you may end up with a jammed entry in the Extensions list and will be
    unable to install the extension globally.
  </li>
  <li>
    If you encounter strange problems relating to bookmarks, downloads, window
    placement, toolbars, history, or other settings, it is recommended that you
    try creating a new profile and attempting to reproduce the problem before
    filing bugs. Create a new profile by running SeaMonkey with the -P command
    line argument, choose the "Manage Profiles" button and then choose "Create
    Profile...". Migrate your settings files (Bookmarks, Saved Passwords, etc)
    over one by one, checking each time to see if the problems resurface. If you
    do find a particular profile data file is causing a problem, file a bug and
    attach the file.
  </li>
</ul>
</div>

<h2 id="faq">Frequently Asked Questions</h2>
<div class="section">
<dl>
  <dt>What can I do to help?
    <dd>
    We need help from developers and the testing community to provide as much
    feedback as possible to make SeaMonkey even better. Please read these notes
    and the <a
    href="https://bugzilla.mozilla.org/page.cgi?id=bug-writing.html">Bug Writing
    Guidelines</a> before reporting any bugs to
    <a href="https://bugzilla.mozilla.org/">Bugzilla</a>.
    </dd>
  </dt>

  <dt>Why haven't you responded to the mail I sent you?
    <dd>
    Use the alt.comp.software.seamonkey newsgroup or the SeaMonkey forums on
    <a href="http://forums.mozillazine.org/">mozillaZine</a>.
    The SeaMonkey team read them regularly, and your email may have gotten lost.
    </dd>
  </dt>

  <dt>Where can I get extensions and themes (add-ons)?
    <dd>
    <a href="https://addons.thunderbird.net/seamonkey/extensions/">Extensions</a>
    and <a href="https://addons.thunderbird.net/seamonkey/themes/">Themes</a> can be
    downloaded from <a href="https://addons.thunderbird.net/seamonkey/">SeaMonkey
    Add-ons</a>.
    </dd>
  </dt>

  <dt>Who makes SeaMonkey?
    <dd>
    Lots of people. See Help-&gt;About SeaMonkey, contributors for a
    list of some of the people who have contributed to Mozilla and SeaMonkey.
    </dd>
  </dt>

  <dt>Where's the [% rnote.name %] source code?
    <dd>
    A tarball of the [% rnote.name %] source code is available at the
    <a href="../[% rnote.version %]#source">download page</a>.
    The latest development code can be obtained from the <a
    href="../../dev/code-development#central">source repository</a>.
    SeaMonkey-specific source is in the "suite" directory. Please follow the
    <a href="../../dev/code-development#building">build instructions</a>.
    We provide source code for 2.53.1 and future releases on
    <a href="https://gitlab.com/seamonkey-project">gitlab</a>. For accessing
    the site you currently need to use the
    <a href="https://github.com/JustOff/github-wc-polyfill/">web
    components polyfill add-on</a>.
    </dd>
  </dt>

  <dt>Can I remove the tool- and menubar grippies?
    <dd>
    You can remove the tool- and menubar grippies by setting the preference
    &quot;browser.toolbars.grippyhidden&quot; to &quot;true&quot;.
    </dd>
  </dt>
</dl>
</div>

<h2 id="resources">Other Resources and Links</h2>
<div class="section">
The following resources contain useful information about [% rnote.name %]:
<ul>
  <li><a href="../../doc/">SeaMonkey Documentation &amp; Help</a></li>
  <li><a href="http://kb.mozillazine.org/">MozillaZine Knowledge Base</a></li>
<!--  <li><a href="https://wiki.mozilla.org/SeaMonkey/Features/[% rnote.version %]">&quot;SeaMonkey/Features/[% rnote.version %]&quot;
    wiki page</a>
  </li> --->
  <li><a href="../../dev/extensions">For extension developers</a></li>
</ul>
</div>

</body>
</html>