My sort of round-up selecting a few notable mentions from the entire winners list →.

IMMERSIVE AUDIO

LUX - Morten Lindberg  (winner)


TECHNICAL GRAMMY

API co-founder Saul Walker (1927 – 2016) 
Products like the API 312 mic preamp, 325 line driver, 512 mic preamp, the 550 EQ, and 1604 console used Walker’s world-renowned 2520 Op Amp and created a unique, warm analog sound that has never been matched.


BEST DANCE/ELECTRONIC / SINGLE

The Chemical Brothers, Got To Keep On
Producers; Steve Dub Jones & Tom Rowlands


BEST DANCE/ELECTRONIC ALBUM

The Chemical Brothers - No Geography (Winner)

Tycho Featuring Saint Sinner - Weather

Apparat - LP5

Flume - Hi This Is Flume (mixtape)

Solace - RÜFÜS DU SOL


BEST CONTEMPORARY INSTRUMENTAL ALBUM

The Winner was Mettavolution by Rodrigo y Gabriela.
My notable mention is Christian Scott's aTunde Adjuah - Ancestral Recall


BEST R&B ALBUM

Well deserved winner: Anderson .Paak - Ventura


BEST RAP ALBUM

IGOR - Tyler, The Creator (winner)


BEST REGGAE ALBUM

Koffee - Rapture (winner)


Best Compilation Soundtrack For Visual Media

A Star Is Born (Winner)
Quentin Tarantino's Once Upon A Time In Hollywood
Rocketman
Spider-Man: Into The Spider-Verse


BEST SCORE SOUNDTRACK FOR VISUAL MEDIA

CHERNOBYL - WINNER
Hildur Guðnadóttir, composer

AVENGERS: ENDGAME
Alan Silvestri, composer

GAME OF THRONES: SEASON 8
Ramin Djawadi, composer

THE LION KING
Hans Zimmer, composer

MARY POPPINS RETURNS
Marc Shaiman, composer


BEST INSTRUMENTAL COMPOSITION

Star Wars: Galaxy's Edge Symphonic Suite - John Williams (Winner)


BEST RECORDING PACKAGE

Chris Cornell Deluxe Edition (winner)
Barry Ament, Jeff Ament & Joe Spix

Anónimas & Resilientes

Hold That Tiger

Bon Iver I,I

Intellexual


BEST BOXED OR SPECIAL LIMITED EDITION PACKAGE

Woodstock: Back To The Garden - 50 Years Anniversary.

ANIMA - Thom Yorke


BEST ENGINEERED ALBUM, NON-CLASSICAL

Billie Eilish - WHEN WE ALL FALL ASLEEP, WHERE DO WE GO? (winner)
Rob Kinelski & Finneas O'Connell: engineers
John Greenham: mastering engineer