A new version of the popular desktop email client Thunderbird has just been released. Thunderbird 45.5 fixes several issues but does not introduce new features.
The Thunderbird 45.5 release notes list six items of which two are marked as changed, and four as fixed.
The new release is a bug fix release mostly; it does not fix any security issues or introduce new features. In fact, it brings back the behavior of Thunderbird 24 for a feature.
Probably the biggest change is a return to Thunderbird 24 behavior when it comes to address entries in the email client.
IMPORTANT: Changed recipient address entry: Arrow-keys now copy the pop-up value to the input field. Mouse-hovered pop-up value can no longer be confirmed with tab or enter key. This restores the behavior of Thunderbird 24.
You may have difficulties finding out what changed exactly just from reading the note. Basically, what the change does is the following: that the selected suggestion (via arrow keys), is the same as the filled value in the email client's recipient field.
Thunderbird displayed different values for filled and selected items up until now (after the release of Thunderbird 24 to be precise).
Two different terms are used when it comes to the recipient field in the email client:
These values could have been different in the past, and that is what Mozilla fixed. Hovered items can no longer be selected with the Enter or Tab key.
You can check out the full release notes for Thunderbird 45.5.0 here.
A new version of Thunderbird, version 45.6.0, was released on December 28, 2016 to the release channel.
The update fixes an issue where the system integration dialog was shown every time Thunderbird was starting.
Several security issues are fixed in Tunderbird 45.6.0 on top of that.
The release notes are available here.
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