I wouldn’t be so sure that balena etcher produces problems only with the rel 32.5. the xubutu 20.04 sd card stoppped working like the ubuntu 18.04. there was no differences
Is this xubuntu 20.04 based on other jetpack release? If so, does balena give different version of software?
Because no other forum users report to us about the error of balena etcher before, the only discussion so far is the post you shared from balenaForums. And that thread was posted just in this month. During the last 2 years, we also saw some users had “Card did not respond to voltage select!” error, but, in the end, their root cause is not balena etcher.