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Thunderbird is an open source project, which means anyone can contribute ideas, designs, code, and time helping fellow users.
Join UsVersion 77.0beta, first offered to channel users on May 11, 2020
Native support for OpenPGP encryption
DisableSystemAddonUpdate policy added
Global Search menu item in app menu
"Delete" action column in thread pane (message list)
Calendar: Added ICS import support to -file command line option
MailExtensions: Added composeScripts API
Various theme and dark mode improvements
MailExtensions: Return a tab object with getComposeDetails
Password display font had characters that were difficult to read
Improvements to recipient address pills
Calendar: Event printouts were blank
MailExtensions: browser.runtime.openOptionsPage did not display page
MailExtensions: Calendar and task tabs did not trigger browser.tabs events
Lock icon added next to OTR encrypted chat messages
Chat on macOS did not connect to servers
Global search(Gloda) view was broken
Added several enhancements and fixes for OpenPGP support
WebSockets could not be used
Custom headers added for searching or filtering could not be removed
Older Linux distributions may not have working OpenPGP support when using the official builds
Print progress dialog is disabled
Message composer not using correct fonts
Addons cannot be removed
Anomalies when inserting an image into the compose window