E: The repository 'https://deb.qubes-os.org/r4.0/vm stretch Release' does no loner have a Release file.
I take it this is because whonix-15 has been released, but we don't have a new template to install yet. I guess I'll have that update icon stuck on for a while.
I have the same problem with:
Whonix-gw-14:
Hit:2 tor+http://deb.dds6qkxpwdeubwucdiaord2xgbbeyds25rbsgr73tbfpqpt4a6vjwsyd.onion stretch InRelease
Hit:4 https://deb.whonix.org stretch InRelease
Get:1 https://cdn-aws.deb.debian.org/debian-security stretch/updates InRelease [93.6 kB]
Hit:1 https://cdn-aws.deb.debian.org/debian-security stretch/updates InRelease
Ign:3 https://cdn-aws.deb.debian.org/debian stretch InRelease
Hit:5 https://cdn-aws.deb.debian.org/debian stretch Release
Ign:7 https://deb.qubes-os.org/r4.0/vm stretch InRelease
Err:8 https://deb.qubes-os.org/r4.0/vm stretch Release
gnutls_handshake() failed: The TLS connection was non-properly terminated.
Reading package lists... Done
E: The repository 'https://deb.qubes-os.org/r4.0/vm stretch Release' does no longer have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
Whonix-ws-14:
Hit:1 tor+http://deb.dds6qkxpwdeubwucdiaord2xgbbeyds25rbsgr73tbfpqpt4a6vjwsyd.onion stretch InRelease
Hit:2 https://deb.whonix.org stretch InRelease
Hit:3 https://cdn-aws.deb.debian.org/debian-security stretch/updates InRelease
Ign:4 https://cdn-aws.deb.debian.org/debian stretch InRelease
Hit:5 https://cdn-aws.deb.debian.org/debian stretch Release
Ign:7 https://deb.qubes-os.org/r4.0/vm stretch InRelease
Err:8 https://deb.qubes-os.org/r4.0/vm stretch Release
gnutls_handshake() failed: The TLS connection was non-properly terminated.
Reading package lists... Done
E: The repository 'https://deb.qubes-os.org/r4.0/vm stretch Release' does no longer have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.