On stage in Cupertino, California, Apple chief executive Tim Cook introduced both updates, which will be available for free.
Most users are now on 1709, the Fall Creators Update, which will be supported until 8 October 2019.
The update, which will be available first on the new LG Watch Urbane and others via a software update, adds to the ways Android smartwatches' can work without being tethered to a smartphone via Bluetooth.
The Unicode Consortium, the organisation that co-ordinated the development of Unicode, the industry standard for the representation of text, has accepted the new emojis as candidates for Unicode 9, an update which will be released in mid-2016.
Musk said the update, which will be available within a week or two through an "over-the-air" software update, would rely foremost on radar to give Tesla's electric luxury cars a better sense of what is around them and when to brake.
The recall won't see the pacemakers removed, which would be an invasive and dangerous medical procedure for the 465,000 people who have them implanted: instead, the manufacturer has issued a firmware update which will be applied by medical staff to patch the security holes.
The data are scheduled for annual updates, which will be available at this site.
Ang says the update, which will be finished in the next few months, is a top priority.
Facebook is coming to a PS3 near you as part of the latest 3.10 update, which will be rolled out over the course of the next day.
Since today is the day Microsoft announced the Windows 10 April 2018 Update, which will be available for download on Monday, it's also announcing a new version of Edge, too.
