Many Fixes for visibility issues in dark mode and high contrast themesġ716166 1716208 1718302 1718555 1718769 1719179 1719467Ĭhanges to the WebExtensions API can be found here Fixes Mail: AutoComplete from LDAP directories now searches by substring instead of left-side match Mail: UI improvements to the message reader UI Mail: Quick Find is now available in the multi-message (thread summary) view Mail: Context menu to expand mail list pills in the compose window to the list of recipients Tasks: Undo/Redo support for event and task creation and deletion Permissions to access calendar and address book are now requested when a GMail account is set up, so that calendar and address book can be accessed without having to re-authorize ( see notes)Ĭalendar: Per-calendar and global notification settings (in addition to alerts set in events) Suggest replacements for discontinued/incompatible add-ons Import/Export Thunderbird profiles (Mac/Linux only) These notes apply to Thunderbird version 91 beta 6 released August 2, 2021.

As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla Check out the notes below for this version of Thunderbird.

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