@kali Most likely: 2021 Q1-Q2. We’ll make sure to inform you whenever we have more details.
@Rafalus You are allowed to transfer both Cash ISA and/or Stocks & Shares ISA to Trading 212. But you are only able to transfer your assets as cash - any shares you might have (with the external provider) should be sold, and just then you can transfer over the cash equivalent.
In each tax year, you are only allowed to have 1 ISA of each type, so you would not be allowed to open a Stocks & Shares ISA with Trading 212 and keep your current Stocks & Shares ISA with your bank.