I have not, but I have extracted the backup with https://sourceforge.net/projects/adbextractor/ https://sourceforge.net/projects/adbextractor/ and inspected the

I have not, but I have extracted the backup with https://sourceforge.net/projects/adbextractor/ https://sourceforge.net/projects/adbextractor/ and inspected the contents, visually confirming the secrets are there. Even if a restore doesn't work, I can re-enter them manually from the information in the sqlite database. However I fully expect a restore to work.