Entering into the EU–UK Trade and Cooperation Agreement (TCA) has extended the EU-UK data transfer 'window' for up to 6 months. But this is not the final point, of course, as the same notorious dilemma (will the UK become a 'third country' in terms of the Europen data transfer rules OR will an 'adequacy' decision be granted by the European Commission?) is still there knocking on the window.
With the advent of the brand new privacy world in July 2020, there have been a lot of talks questioning the UK's potential eligibility for the status of 'adequate' country due to similarity of the UK's surveillance and interference practices to those adopted in USA and become the grounds for striking down the EU-US Privacy Shield.
Now it seems that these 'arrows of criticism' have been recognized in the UK, and the case started to make good progress.
The UK High Court has held that security and intelligence services can no longer rely on 'general warrants' to interfere with property (including computers) and thus put fundamental constitutional principles on a solid ground as regards relationships with governmental agencies. See here to learn more.