As per the latest newsletter
The update is available for TRS19 users as follows:
PC build 96000 > 97556 (5.1GB) via "TRS19 Early Access" stream
PC beta build 97513 > 97556 (20MB) via "TRS19 Beta" stream
Mac build 96020 > 97557 (5.1GB) via "TRS19 Early Access" stream
Mac beta build 97429 > 97557 (20MB) via "TRS19 Beta" stream