https://www.gramophone.co.uk/features/article/the-best-classical-albums-of-2021-so-far
These are the surround ones that I noticed:
Brahms Symphony No 3. Serenade No 2, Budapest Festival Orchestra / Iván Fischer, Channel Classics
‘Summertime’, Isata Kanneh-Mason, Decca (Apple Music Atmos)
Mouton ‘Ezekiel’s Eagle’, Cappella Pratensis / Stratton Bull, Challenge Classics
‘The Moon & the Forest’, Miloš Karadaglić, Decca (Apple Music Atmos)
Franck Organ Works, Pétur Sakari, BIS
Bartók Duke Bluebeard’s Castle, Sols; Helsinki Philharmonic Orchestra / Susanna Mälkki, BIS
‘Nordic Rhapsody’, Johan Dalene, Christian Ihle Hadland, BIS
‘Occurrence’, Iceland Symphony Orchestra / Daníel Bjarnason, Sono Luminus
Locatelli ‘Il labirinto armonico’, Finnish Baroque Orchestra / Ilya Gringolts, BIS
Rachmaninov Symphony No 1. Symphonic Dances, The Philadelphia Orchestra / Yannick Nézet-Séguin, DG (Apple Music Atmos)
‘English Music for Strings’, Sinfonia of London / John Wilson, Chandos
JS Bach Das wohltemperirte Clavier, Book 2 – selections, Piotr Anderszewski, Warner Classics (Apple Music Atmos)
Carter The Minotaur. Pocahontas, Boston Modern Orchestra Project / Gil Rose, BMOP/sound