GPG Public Key expired?

[sebasg]

On Thursday, 21 May 2020 at 18:14:19 UTC, divi wrote:
> $ curl -fsS https://dlang.org/install.sh | bash -s dmd
> Downloading and unpacking 
> http://downloads.dlang.org/releases/2.x/2.092.0/dmd.2.092.0.linux.tar.xz
> ######################################################################## 100.0%
> gpg: checking the trustdb
> gpg: marginals needed: 3  completes needed: 1  trust model: pgp
> gpg: depth: 0  valid:   1  signed:   0  trust: 0-, 0q, 0n, 0m, 
> 0f, 1u
> gpg: next trustdb check due at 2022-03-12
> gpg: Signature made Mon 11 May 2020 16:54:29 BST
> gpg:                using RSA key 
> 3AAF1A18E61F6FAA3B7193E4DB8C5218B9329CF8
> gpg: Can't check signature: No public key
> Invalid signature 
> http://downloads.dlang.org/releases/2.x/2.092.0/dmd.2.092.0.linux.tar.xz.sig

> gpg:                using RSA key 
> 3AAF1A18E61F6FAA3B7193E4DB8C5218B9329CF8
> gpg: Can't check signature: No public key
Currently, that key is not part of the publicly known keys and is 
not in the provided
keyring: https://dlang.org/gpg_keys.html

Maybe it's a new release-signing key and the keyring hasn't been 
updated yet.
Or maybe something worse.