Thunderbird 40.0 Beta 1

New Changes


- Support for Windows 10 including tablet mode
- Download protection from potentially unwanted software
-Suggested Tiles show sites that may be of interest, based on categories from your recent browsing history
- Add URLs to a Hello conversation for additional context
- New style for add-on manager based on the in-content preferences style
- Smoother and more reliable CSS animations via asynchronous animations
- Improved scrolling, graphics, and video playback performance with off main thread compositing (GNU/Linux)


- Add-on extensions that are not signed by Mozilla will display a warning
- Smoother animation and scrolling with hardware vsync (Windows only)
- JPEG images use less memory when scaled and can be painted faster


- Support for new Unicode 8.0 skin tone emoji
- IndexedDB transactions are now non-durable by default
- Implemented AudioBufferSourceNode.detune to modulate playback rate in cents


- Improved Performance tools in the developer tools
- New rules view tooltip to tweak CSS Filter values
- New page ruler highlighting tool that displays lightweight horizontal and vertical rules on a page
- Console API messages from SharedWorker and ServiceWorker are now displayed in web console
- Inspector now searches across all content frames in a page
- Places Keywords API has been deprecated, update to the Asynchronous Keywords API
- Removed support for binary XPCOM components in extensions, use addon SDK system/child_process pipe mechanism for native binaries instead


- Kannada text does not display properly in built-in pdf viewer

Technical Details

Title: Thunderbird 40.0 Beta 1
File-Size: 33.03 MB
File-Name: Thunderbird Setup-40.0b1.exe
Release-Date: 2015-07-24
OS-Support: Windows XP , Windows 7 , Windows vista , Windows 8 , Windows 8.1 ,Windows 10
Languages: Multilanguages
License: Freeware

About Software

Mozilla Thunderbird makes e-mailing safer, faster, and easier with features such as intelligent spam filters, a built-in RSS reader, and quick search. Thunderbird was designed to prevent viruses and to stop junk mail.

Thunderbird includes tabbed e-mail, new search tools and indexing, smart folders, support for Firefox, a simplified setup wizard and robust junk protections that include phishing and spam filters.

Key Features Include:

  • Tabbed email.
  • An Archive feature similar to the one found in GMail.
  • Lightning fast search.
  • Smart folders.
Thunderbird has junk mail tools that have been updated to stay ahead of spam and features anti-phishing protection.

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