Yes there is! You can read about the MTD ITSA changes in our blogs here:

https://www.iris.co.uk/making-tax-digital/itsa-guide/ - MTD ITSA specific guide.

https://www.iris.co.uk/talking-points/accountancy/making-tax-digital-mtd/- covers all elements of MTD including for VAT

https://www.iris.co.uk/guide/making-mtd-simple-the-all-in-one-guide-for-making-tax-digital/ - MTD more generally