Greets, everybody . . .

Just did my regular apt update apt upgrade run (Debian Trixie) and after I'd upgraded everything, I was presented with this:

[quote]

Notice: Some sources can be modernized. Run 'apt modernize-sources' to do so.

[/quote]

I did. There was nothing particularly surprising -- to the extent I could make sense of it. I was, though, uncharacteristically careful, so:

[quote]

~$ apt modernize-sources The following files need modernizing: - /etc/apt/sources.list - /etc/apt/sources.list.d/brave-browser-release.list - /etc/apt/sources.list.d/mozilla.list - /etc/apt/sources.list.d/protonvpn-stable.list

Modernizing will replace .list files with the new .sources format, add Signed-By values where they can be determined automatically, and save the old files into .list.bak files.

This command supports the 'signed-by' and 'trusted' options. If you have specified other options inside [] brackets, please transfer them manually to the output files; see sources.list(5) for a mapping.

For a simulation, respond N in the following prompt. Rewrite 4 sources? [Y/n] n

[/quote]

The simulation included, among other things, this:

[quote]

Modernizing /etc/apt/sources.list... Warning: Could not determine Signed-By for URIs: http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-sb/, Suites: testing

# Would write to: /etc/apt/sources.list.d/trinitydesktop.org.sources # Modernized from /etc/apt/sources.list Types: deb URIs: http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-sb/ Suites: testing Components: deps-r14 main-r14 Signed-By:

[/quote]

The various other entries in /etc/apt/sources.list did appear to be signed.

I should probably know the significance of this, but I don't. More to the point, I do not want to break anything.

Is there something here that Trinity ought to be including? Alternately, is it safe to ignore it, with the expectation that my Trinity updates will continue? Or should I make sure I never ever say yes to modernize-sources?