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SeaMonkey 2.53.4 / SeaMonkey 2.58 Alpha 1 ‘Aurora’

1 Star2 Stars3 Stars4 Stars5 Stars (11 votes, average: 4.00 out of 5)
SeaMonkey 2.53.4 / SeaMonkey 2.58 Alpha 1 ‘Aurora’

Mozilla SeaMonkey is an all-in-one internet application suite. It has tabbed web-browser, advanced e-mail and newsgroup client, IRC chat client, and HTML editor made simple. All your Internet needs contained in one application.

Mozilla SeaMonkey is sure to appeal to advanced users, web developers and corporate users. Because it contains an Internet browser, email and newsgroup client with an included web feed reader, HTML editor, IRC chat and web development tools.

Powered by Mozilla Under the hood, SeaMonkey uses much of the same Mozilla source code which powers such successful siblings as Firefox and Thunderbird.

Building on the same Mozilla platform as the newest Firefox release, it delivers the latest developments in web technologies. Such as HTML5, hardware acceleration and improved JavaScript speed.

SeaMonkey has inherited the successful all-in-one concept of the original Netscape Communicator. And now continues that product line based on the modern, cross-platform architecture provided by the Mozilla project.

Mozilla SeaMonkey Features:

  • The Internet browser at the core of the SeaMonkey suite uses the same rendering engine and application platform as its sibling Mozilla Firefox. Also it has popular features like tabbed browsing, feed detection, popup blocking, smart location bar.
  • The Mail and Newsgroups client shares lots of code with Mozilla Thunderbird. It includes features adaptive Junk mail filtering, tags and mail views, web feeds reading, tabbed messaging, multiple accounts, S/MIME. Also there are address books with LDAP support and is ready for both private and corporate use.
  • Additional components include an easy-to-use HTML Editor, the ChatZilla IRC chat application and web development tools like a DOM Inspector and a JavaScript debugger.
  • In addition, you can extend SeaMonkey with numerous Add-Ons that provide additional functionality and customization for a complete Internet experience.

What’s New in SeaMonkey 2.53.4:

  • Upgraded NSS to 3.53.1
  • Updated to Unicode 11 for SpiderMonkey
  • Updated bundled Twemoji Mozilla font to v0.5.1 to support newer emoji
  • Updated how photos are handled in the addressbook
  • Removed outdated RSS feed handlers
  • Fix initialisation of TodayPane mini-day, to show the right day
  • Fixed sizing issue of HTML mail question (askSendFormat) dialog
  • Update of help page content and links.
  • Various security and general platform fixes.

What’s New in SeaMonkey 2.53.3:

SeaMonkey 2.53.3 contains (among other changes) the following major changes relative to SeaMonkey 2.53.2:

  • The LaTex tool TexZilla, used for inserting Math, has been upgraded to 1.0.2.
  • It is now possible to customize the toolbars in Composer and the formatting toolbar in Mailnews composition.
  • All folders of an account can now be marked as read.
  • There is now an option for not advertizing SeaMonkey at all in the user agent.
  • The preference for hiding the toolbar and menubar grippies can now be changed from “Preferences->Appearance”.
  • Changed the default to not autohide tab bar when there is only one tab in a window.
  • Update of help page content and links.
  • SeaMonkey language packs are now version specific and will be disabled as part of the profile upgrade following the installation of a later version.
  • Search Engines have been centralized and updated in bug 1300198.
  • Address book now has updated IM fields, improved layout for card view pane, improved multi-word search, ability to search across multiple address books, more granular prompts when deleting items, print on the context menus and print button on the toolbar.
  • Multimedia support has been updated in preparation of supporting more audio video formats in the next releases. For enhanced security the Rust multimedia parser is now used for this and the libstagefright package has been removed.

SeaMonkey 2.53.3 contains (among other changes) the following major changes relative to SeaMonkey 2.49.5:

  • The Bookmarks Manager has switched its name to Library, and now also includes the History list. When invoking History, the Library will be shown with the History list selected. The extensive modifications were needed because of Mozilla Gecko platform API changes.
  • 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.
  • The layout panel was added to the CSS Grid tools.
  • TLS 1.3 is the default SSL version now.
  • The only NPAPI plugin which will work with SeaMonkey 2.53.3 is Flash. Support for other NPAPI plugins like Java and Silverlight has been removed. For displaying pdf files in the browser you can use pdf.js-seamonkey from Isaac Schemm.
  • 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”.

What’s New in SeaMonkey 2.53.2:

SeaMonkey 2.53.2 contains (among other changes) the following major changes relative to SeaMonkey 2.53.1:

  • Scrollbars have been switched over to the native gtk3 theme in bug 1625754. If your theme does not show scrollbar buttons and you would like to see them try editing ~/.config/gtk-3.0/gtk.css and adding the following:
        * {
          -GtkScrollbar-has-backward-stepper: 1;
          -GtkScrollbar-has-forward-stepper: 1;
        }
  • The download progress dialog has been fixed and is now showing the correct status for downloads. Some downloads may not show the transferred count. This problem is under investigation.
  • SeaMonkey is now translated and available in Finnish and Georgian.
  • Because of website compatibility issues and privacy concerns the Lightning version is no longer appended to the user agent string and has been removed from the preferences dialog.
  • Advanced Layers has been activated on Windows. This should boost performance on some websites. If you experience graphics problems please disable it by setting the pref “layers.mlgpu.enabled” to false.
  • Whether the native app chooser is used in Linux is now controlled via a preference setting in the Helper Applications preference pane.
  • In the Modern theme, popup notifications have improved styling and column headers now display sort direction arrows.
  • The column picker and folder view have been reinstated for the bookmarks panel.
  • Introduced the ability to close all tabs to the right of the current tab.
  • Whether mailnews tabs open in the background is controlled by a separate preference to browser tabs via General Settings section of main Mail & Newsgroups preference pane.
  • Fixed an issue with the recipient being missing when using Reply to Sender and Group button in Newsgroup discussions.
  • SeaMonkey now prevents address books from having duplicate names.

SeaMonkey 2.53.2 contains (among other changes) the following major changes relative to SeaMonkey 2.49.5:

  • The Bookmarks Manager has switched its name to Library, and now also includes the History list. When invoking History, the Library will be shown with the History list selected. The extensive modifications were needed because of Mozilla Gecko platform API changes.
  • 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.
  • The layout panel was added to the CSS Grid tools.
  • TLS 1.3 is the default SSL version now.
  • The only NPAPI plugin which will work with SeaMonkey 2.53.2 is Flash. Support for other NPAPI plugins like Java and Silverlight has been removed.
  • 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”.

Mozilla SeaMonkey 2.53.1 Release Notes:

  • The Bookmarks Manager has switched its name to Library, and now also includes the History list. When invoking History, the Library will be shown with the History list selected. The extensive modifications were needed because of Mozilla Gecko platform API changes.
  • 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.
  • Added Layout panel to CSS Grid tools.
  • TLS 1.3 is the default version now.

SeaMonkey 2.53.1 uses the same backend as Firefox and contains the relevant Firefox 60.3 security fixes.

SeaMonkey 2.53.1 shares most parts of the mail and news code with Thunderbird. Please read the Thunderbird 60.0 release notes for specific changes and security fixes in this release.

Additional important security fixes up to Current Firefox 72 and a few enhancements have been backported. We will continue to enhance SeaMonkey security in subsequent 2.53 beta and release versions as fast as we are able to.

Mozilla SeaMonkey 2.49.5 Release Notes:

SeaMonkey 2.49.5 contains (among other changes) the following major changes relative to SeaMonkey 2.49.4:

SeaMonkey 2.49.5 uses the same backend as Firefox and contains the relevant Firefox 52.9.0 ESR security fixes.

SeaMonkey 2.49.5 shares most parts of the mail and news code with Thunderbird. Please read the Thunderbird 52.9.1 release notes for specific changes and security fixes in this release.

Additional security fixes up to ESR 60.2 and a few enhancements have been backported.

SeaMonkey-specific changes

  • Among the general platform and mail fixes this release contains backported fixes from Thunderbird for the EFAIL security vulnerability.
  • SeaMonkey now uses gtk3 on Linux. If you experience a problem because of this please file a bug and link it to Switch Linux builds to GTK3 with SeaMonkey 2.49. Pleae try another OS theme first. Some of them are buggy and cause problems with SeaMonkey, Thunderbird and Firefox.

Homepage – https://www.seamonkey-project.org

System Requirements:

Windows Operating Systems

  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 10

Minimum Hardware

SeaMonkey on Windows needs a CPU supporting the SSE2 instruction set.

  • Pentium 4 1.5GHz (Recommended: Intel Core 2 Duo 1.8GHz or greater)
  • 1 GB RAM
  • 500 MB of free hard drive space

Mac Operating Systems

  • Mac OS X 10.9 or higher

Minimum Hardware

  • Macintosh computer with an Intel processor
  • 500 MB of free hard drive space

Linux Software Requirements

Please note that Linux distributors may provide packages for your distribution which have different requirements.

  • The following library versions (or compatible) are required:
    • GTK+ 3.4 or higher
    • GLib 2.22 or higher
    • Pango 1.14 or higher
    • X.Org 1.0 or higher (Recommended: 1.7 or higher)
    • libstdc++ 4.6.1 or higher
  • Recommended for optimal functionality:
    • NetworkManager 0.7 or higher
    • DBus 1.0 or higher
    • GNOME 2.16 or higher

Minimum Hardware

  • Pentium 2 800MHz (Recommended: Intel Core 2 Duo 1.8GHz or greater)
  • 1 GB RAM
  • 500 MB of free hard drive space

Leave a Reply

2 Comments on SeaMonkey 2.53.4 / SeaMonkey 2.58 Alpha 1 ‘Aurora’

  • Gravatar
    Guest

    Midnight

    That's why I use Firefox AND Thunderbird.  Great combination with everything I need. 

  • Gravatar
    Guest

    montee

    you cant use multizilla or googlebox with this version nor some of the seamonkey add-ons...one to miss...