I had the same issue, and I was able to fix this by running the following command in the TrueNAS shell:
midclt call smb.update '{"encryption":"DEFAULT"}'
Thanks for telling us. We got another person saying the same issue. We should be able to fix it. Not sure if it's today or tomorrow that we can get a fix out. Sorry for the issue.
After today's update I am no longer able to connect to my network drive using SMB.
I suspect that this is due to this change:
I am trying to connect from Linux which has worked flawlessly for 1.5 years, but now I'm suddenly met with a login screen.
Is this expected behavior @mill3000?