Re: apt config options to specify the CA of the https repository?

[Michael Stone <mstone@debian.org>]

On Sun, Sep 21, 2025 at 11:51:17PM +0200, Vincent Lefevre wrote:
> Do you mean the Valid-Until field?
>
> But it is said: "Client behaviour on expired Release files is
> unspecified."

So check your client; e.g., the apt.conf man page has a discussion of 
options affecting Valid-Until processing.