HMRC announces that fractional shares are eligible for ISAs, JISAs, and CTFs.

source: https://www.gov.uk/government/publications/tax-free-savings-newsletter-14/07fda8a9-e0ba-4d6f-9b72-6fba563496cc

Seems like a good thing, hopefully older companies will take note, but it's a big win for fintechs.