Did some digging and the current TSB for Audio head unit update is TSB-0161-19.
This was revised in March 2020 to include software 1060
This states that the newest version is 1060, however, the Toyota media site does not have it available for download yet. Therefore, the only way, at this time to get 1060 is to have the dealer do it via USB.
It is noted in the TSB that some model 2020 year vehicles with Audio Plus or Premium Audio version 1047 or later may exhibit the following:
USB audio does not resume after ignition cycle
Intermittent rebooting
Bluetooth disconnecting during a phone call when using Car Play
Intermittent screen freezing
Navigation intermittently will not boot up
Home screen Audio widget is blank after a destination assist call
Song, artist, or album data missing
Abnormal clock operation
Apple Car Play intermittently inoperative
Radio takes a long time to boot up.
So, looks like 1060 was released to help with these issues.
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