However if you have an EASA PPL together in use with the remaining balance of your LAPL medical you should be good for foreign flight until whenever this year your LAPL medical expires.
I think even that might be a bit of a grey area unless there is some statement re this that I haven’t seen.
As an Irish EASA licence holder I was told I was OK on a medical issued by a UK AME (but obviously medial records held by Ireland) in 2020 until it expired, including after Jan 2021.
But if I held a UK Part-FCL PPL (or higher) and said I wanted to use my LAPL medical issued by the same UK AME but records held by UK CAA, in 2021, I’m not sure what attitude an EASA member state would take.