FWIW, this update includes an updated keyboard. Whether or not that's a fix remains to be seen.
Edit:
lol, they actually have already included this new laptop in the keyboard replacement program:
https://www.apple.com/support/keyboard-service-program-for-m...
I have no idea which of those is the correct interpretation...
For the record, I have exchanged my 2018 MBP twice (so far) because of multiple different hardware problems. Not inspiring confidence to see the 2019 preemptively listed here.