Hi,

I believe not, but existing contributors to repositories on GitHub who use SSH 
might get an warning when trying to push or pull from the remote.

The correct action is to run ssh-keygen -R github.com, then try again, and 
confirming the prompt after making sure that the new fingerprint matches one of 
the three from 
https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/githubs-ssh-key-fingerprints.

Laurentiu

On Fri, Mar 24, 2023, at 12:01, Javier Jimenez Shaw wrote:
> Hi
> 
> In case you use GitHub (for PROJ or anything else) this may be interesting 
> for you:
> https://github.blog/2023-03-23-we-updated-our-rsa-ssh-host-key/
> 
> First paragraph:
> 
> At approximately 05:00 UTC on March 24, out of an abundance of caution, we 
> replaced our RSA SSH host key used to secure Git operations for GitHub.com. 
> We did this to protect our users from any chance of an adversary 
> impersonating GitHub or eavesdropping on their Git operations over SSH. This 
> key does not grant access to GitHub’s infrastructure or customer data. This 
> change only impacts Git operations over SSH using RSA. Web traffic to 
> GitHub.com and HTTPS Git operations are not affected.
> 
> Is there action needed in OSGeo repos?
> 
> Cheers,
> Javier.
> 
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