200.10 beta is not open to public domain.
200.10 official release is scheduled for Q1'21.
ax bugs and a number of performance fixes would also be available in a patch for 200.9 branch however no firm date for the patch release so far.
Or you can try the default one starting 08.0.90 firmware.
Default Username and Password
When SSH is enabled out of the box, use the following default username and password to initially access the ICX device:
default local username: superdefault pas...