[German]The developers of the Thunderbird email client have released Thunderbird 78.9.0 on March 23, 2021. This is a maintenance update for the 78 main version of the email client, which fixes various bugs and five vulnerabilities.
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According to the release notes, there are no new features, but in addition to fixed vulnerabilities, there are the following bug fixes:
- New mail notification displayed old messages that were unread
- Spaces following soft line breaks in messages using quoted-printable and format=flowed were incorrectly encoded; existing messages which were previously incorrectly encoded may now display with some words not separated by a space
- Some fields were unreadable in the Dark theme in the General preferences panel
- Sending a message containing an anchor tag with an invalid data URI failed
- When switching tabs, input focus was not moved to the new tab
- Address Book: Syncing a read-only Google address book via CardDAV failed
- Address Book: Importing VCards with non-ascii characters would fail
- Address Book: Some values may not have been parsed when syncing from Google address books.
- Add-ons Manager did not show if an addon used experiment APIs
- Calendar: Removing a recurring task was not possible
System requirements
The system requirements for the different operating system versions (see also form more details):
- Windows: Windows 7, Windows Server 2008 R2 or higher
- Mac: Mac OS X 10.9 or higher
- Linux: GTK+ 3.4 or higher
Thunderbird is free of charge and may be downloaded here.
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