Changelog for Thunderbird 114

The following WebExtension API changes were introduced in Thunderbird 114.

messageDisplay

api messageDisplay

function open.openProperties.file — The DOM file object of a message to be opened.

messages

api messages

function openAttachment — Opens the specified attachment.

spacesToolbar

api spacesToolbar

function clickButton — Trigger a click on the specified spaces toolbar button. Throws an exception if the requested spaces toolbar button does not exist or was not created by this extension.

tabs

api tabs

event onActivated.activeInfo.previousTabId — The ID of the tab that was previously active, if that tab is still open.