Changelog for Thunderbird 131

The following WebExtension API changes were introduced in Thunderbird 131.

api menus

• type MenuActionCommand — A predefined command to open an action popup.

api messages

• type MailBoxHeaderString — Content may either be a single email address, or a mailbox string (see RFC 5322, section 3.4). Use messengerUtilities.parseMailboxString to extract the name and/or the email from the mailbox string.

api storage

• property session.QUOTA_BYTES — The maximum amount of data (in bytes, currently at 10MB) that can be stored in session storage, as measured by the StructuredCloneHolder of every value plus every key’s length.