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SeaMonkey 2.26.1

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News del 17 Giugno 14 Autore: Gianplugged
SeaMonkey 2.26.1
SeaMonkey è una suite di applicazioni internet nata come continuazione della Mozilla Application Suite. Comprende un browser web (SeaMonkey Navigator), un client di posta elettronica e newsreader (SeaMonkey Mail & Newsgroups, che condivide il codice con Mozilla Thunderbird), un editor HTML (SeaMonkey Composer) ed un client IRC (Chatzilla).


What´s New in SeaMonkey 2.26

SeaMonkey 2.26 contains the following major changes relative to SeaMonkey 2.25:

SeaMonkey-specific changes

The delimiter for forwarded messages can now be configured.
An option to not strip signatures on reply has been added to prevent top signatures from deleting the body.
See the changes page for a more complete overview.
Mozilla platform changes
The Gamepad API has been finalized and enabled (learn more).
navigator.plugins is no longer enumerable, for user privacy.
ECMAScript Internationalization API has been enabled.
´box-sizing´ (dropping the -moz- prefix) has been implemented.
SharedWorker is now enabled by default.
CSS3 variables have been implemented.
Console object is now available in Web Workers.
Promises have been enabled by default.
has been implemented and enabled.
has been implemented and enabled.
Fixed several stability issues.
The changes page lists a more detailed overview of new features and fixes relative to our last stable release, SeaMonkey 2.25. Relevant security fixes are listed on Security Advisories for SeaMonkey.


The SeaMonkey project provides official versions of SeaMonkey 2.26 for Windows, Linux, and Mac OS X in US English and experimental language packs for a small variety of other languages. Community volunteers are also contributing builds for other platforms. You can download SeaMonkey 2.26 here.

System Requirements, Installation and Uninstallation

Before installing, make sure your computer meets the system requirements. SeaMonkey 2.26 will no longer offer to migrate your data from SeaMonkey 1.x or Mozilla 1.x at the first start after installation (bug 689437). 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).
You can find more details about installation, profile data and uninstallation in our install and uninstall document.

Extensions (Add-ons) and Themes

Extensions installed under SeaMonkey 1.x are not migrated to SeaMonkey 2, and may not be compatible for reinstalling in this version due to major changes in our architecture. Please report any issues to the maintainer of the extension. Extensions and Themes for SeaMonkey 2.26 can be installed from the SeaMonkey Add-Ons website or the "Get Add-Ons" section in the Add-ons Manager.
If you want to check whether your most important add-ons are already compatible with the SeaMonkey version to be installed, please refer to the SeaMonkey Add-ons Compatibility Tracking wiki page for an overview.

Extensions with binary components such as Lightning, Enigmail and HTML Validator only work on certain platforms (e.g. Windows). Furthermore 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).

For Lightning, please check the Stable Releases section on the Calendar Versions page. Alternatively you may get it directly from the Lightning add-on page (Development Channel at the bottom of the page).
For Enigmail, please refer to the Enigmail Nightly Builds page.
For HTML Validator you need to check whether the Firefox version that appears on SeaMonkey´s about: page is listed on the 0.9x download page. Note that only Windows is supported at this time.

Known Issues

This list covers some of the known problems with SeaMonkey 2.26. Please read this before reporting any new bugs.
You cannot set up a new Sync account or pair a device anymore (bug 998807). Workaround: Use an older version of SeaMonkey for such tasks for now.
Data loss warning: If you use a profile with this or any later version and then try to go back to SeaMonkey 2.0, SeaMonkey will rename your 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 delete the .msf files for your local folders and POP3 accounts or repair the folders using the folder properties dialog in order to avoid potential data loss.
DOM Inspector fails to install in fresh profiles (bug 888478). Until this is fixed, you can install it from the Add-ons page.
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 (bug 521861).
Web pages may appear differently in the MailNews feed reader than in the browser (bug 662907). Workaround: Add a "noscript {display:none}" rule to your userContent.css (note that the Stylish add-on cannot be used here since it does not integrate with the MailNews feed reader).
Select Element by Click doesn´t flash the element in DOM Inspector on Windows if hardware acceleration is enabled (bug 594299).
The option "When opening a bookmark group" / "Replace existing tabs" under Preferences / Tabbed Browsing does not have an effect anymore (bug 664101).
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. (bug 514512).
If you try to start SeaMonkey using a locked profile, it will crash (see bug 573369).
Some synaptic touch pads are unable to vertical scroll (see bug 622410).
Under certain conditions, scrolling and text input may be jerky (see bug 711900).
You may experience text rendering issues on Windows 7 with Platform Update KB2670838 (MSIE 10 prerequisite) or on Windows 8.1 (bug 812695). Workaround: Go to about:config, create a new boolean pref called layout.paint_rects_separately and set it to true.
Norton/Symantec anti-virus 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 anti-virus software to ignore these files (and move them out of quarantine) and/or switch to another anti-virus software and reinstall SeaMonkey.
The cursor may change to "drag & drop" mode in the mail window, causing a hang (bug 736811).
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 (e.g. Intel GMA 950) will experience this even if they haven´t turned off hardware acceleration in Preferences (Appearance/Content) (bug 626096).
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