1- Application does not start with Debian Bullseye.
It requires Debian Bookworm. With Debian Bullseye, starting nitrokey-app-v2.1.2-x64-linux-binary triggers the following error
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[3822] Error loading Python lib '/tmp/_MEIvY8808/libpython3.9.so.1.0': dlopen: /lib/x86_64-linux-gnu/libm.so.6: version `GLIBC_2.35' not found (required by /tmp/_MEIvY8808/libpython3.9.so.1.0)
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That is solved by upgrading to Debian Bookworm, that comes with libc6 2.36-9+deb12u1 (instead of libc 2.31-13+deb11u6 in Bullseye).
2- Bottom left icons
A mouse over offering a glimpse of what they are for would be nice (yes, I undersood the application is very young; it may just become a wish down the road).
3- Help through About
In the About window (first most-left icon) link Instructions and help triggers an error in QubesOS.
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ERROR: Tor Browser ended with non-zero (error) exit code!
Tor Browser was started with:
/home/user/.tb/tor-browser/Browser/start-tor-browser --verbose --allow-remote https://www.nitrokey.com/start
Tor Browser exited with code: 127
OPEN_LINK_CONFIRMATION_COUNTER: 1
To see this for yourself, you could try:
Start Menu -> System -> Xfce Terminal
Then run:
/home/user/.tb/tor-browser/Browser/start-tor-browser --verbose --allow-remote https://www.nitrokey.com/start
See online documentation:
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4- Help
Clicking on the second most left icon (?) triggers the same error as above.
5- Icons Setting and Lock
Those are unactivated for me (in a disposable Qubes, freshly updated to Bookworm, Nitrokey3 recognized).
6- Firmware upgrade
It does not work (v1.4 is installed, and application suggests to upgrade to 1.5).
It does not work either with nitropy, the CLI client.
But, I will open a proper bug report later on, when I have time.
7- Tab Passwords
Indicates to first upgrade to v1.5. Good :)