[2] QIV-HD was not previously available in the UK but its manufacturers have confirmed that it will now be made available for 2024 to 2025.
[2] Nid oedd QIV-HD ar gael yn y DU o'r blaen ond mae’r gweithgynhyrchwyr wedi cadarnhau y bydd yn awr ar gael ar gyfer 2024 i 2025.