Class F2 was introduced by the Business and Planning Act 2020 and is effective from 1 September 2020.
It comprises recreational uses including indoor/outdoor swimming pools, ice skating rinks, outdoor sports facilities and community halls (all formerly Class D2). It also includes shops under 280 square metres selling essential goods which are over 1km from another similar shop.
The full regulations can be accessed here: https://www.legislation.gov.uk/uksi/2020/757/made