Change behavior between 2.3 and 2.4

[YxTerWd]

Hi

I noticed that the behavior changed between versions 2.3.26 and 2.4.11 and I have questions:

1. Download Debian
   cmd:
   wsl --install -d debian --no-launch

Output 2.3.26:
Downloading: Debian GNU/Linux
Installing: Debian GNU/Linux
Debian GNU/Linux has been installed.
The operation completed successfully.

Output 2.4.11:
wsl: Using legacy distribution registration. Consider using a tar based distribution instead.
Downloading: Debian GNU/Linux
Installing: Debian GNU/Linux
Debian GNU/Linux has been installed.
The requested operation is successful. Changes will not be effective until the system is rebooted.

Is there any documentation about using tar based installations?
How to install Debian tar based?
What should be restarted? WSL?

2. Installing Debian
   cmd:
   debian.exe install --root

Version 2.3.26 works well.
At Version 2.4.11 I get an Help/Welcome screen:

How can I disable this screen?

Regards
Robert

[OneBlue]

@YxTerWd: That message indicated the distribution that was downloaded was in the 'old' format (msix). Since then, Debian has onboarded to tar based distributions so that message shouldn't appear anymore.

Here's a link to the tar based distributions wiki, if you want to know more about how they work

[YxTerWd]

It does not work.
We changed the installation to the tar based distribution with wsl --import but the behavior is the same.
I checked the source code (2.5.9.0 and find following;
LxssUserSession.cpp:

void LxssUserSessionImpl::_LaunchOOBEIfNeeded()
...

if (distributions.size() > 1)
{
    wsl::windows::common::registry::WriteDword(lxssKey.get(), nullptr, LXSS_OOBE_COMPLETE_NAME, true);
    return;
}

...

wsl::windows::common::helpers::LaunchWslSettingsOOBE(userTokenCreateProcess.get());

...

It seems that WslSettings will be always launched if the first distribution is installed. I cannot find any possiblity to supress this. Version 2.3.26.0 don't do this.
We trying to do an unattended installation of WSL and a debian distribution.