As part of its regular round of Patch Tuesday software updates, Microsoft will release firmware patches for Surface 2, Surface Pro, and Surface Pro 2 tablets, among other things.

Microsoft's page for Surface update history currently details what the firmware patches will bring, and the most notable change is support for the Surface Power Cover accessory. The three Surface models mentioned earlier will get this support.

Microsoft's online store showed earlier this week that it would make the $200 Power Cover - which offers a classic laptop keyboard, screen cover, and 70 per cent more battery life - available for the Surface 2, Surface 2 Pro, and original Surface Pro on 19 March, after the company originally revealed in September that it planned to do so.

Apart from the Power Cover, the firmware patch will fix a bug that stopped some Surface 2 units from powering on when in sleep mode. It'll also include the general "stability and experience improvements". As for firmware patches for the Surface Pro and Pro 2, they will address network connectivity issues and serve up improvements for Miracast support.

READ: Microsoft releasing Surface 2 Power Cover with built-in battery on 19 March

And lastly, the Surface Pro 2 will gain extra features like support for daisy-chaining monitors via DisplayPort 1.2, as well as enhancements for BitLocker, allowing a Surface cover to include PIN input.

The Surface line will update automatically through Windows update, though you can also update your Surface manually. Just follow Microsoft's directions on its Install Surface and Windows updates page.