Changelog for Thunderbird 85

The following WebExtension API changes were introduced in Thunderbird 85.

accounts

api accounts

function getDefault — Returns the default account, or null if it is not defined.
function getDefaultIdentity — Returns the default identity for an account, or null if it is not defined.

messages

api messages

function query.queryInfo.headerMessageId — Returns only messages with a Message-ID header matching this value.