A few snippets of quarantine changes from around Europe. (credit schengenvisainfo)
Lithuania - Quarantine for arrivals from France
Norway - Quarantine arrivals from Belgium
Switzerland - Quarantine arrivals from Spain (except Canary & Balearic islands)
Denmark- Portugal now exempt from quarantine.
As mentioned by 2Planks the rate in Portugal is falling a new other countries around Europe have recognised this and have relaxed their quarantine rules.