Changelog for Thunderbird 138
The following WebExtension API changes were introduced in Thunderbird 138.
tabs
api
tabs
type Tab.groupId — The ID of the group that the tab belongs to. -1 if the tab does not belong to a tab group.
The following WebExtension API changes were introduced in Thunderbird 138.
type Tab.groupId — The ID of the group that the tab belongs to. -1 if the tab does not belong to a tab group.