You can subscribe to the ChangeLog for:

On Twitter:

Or by Atom feed:

a/kernel-firmware-20190213_710963f-noarch-1.txz: Upgraded.
a/kernel-generic-4.19.23-i586-1.txz: Upgraded.
a/kernel-generic-smp-4.19.23_smp-i686-1.txz: Upgraded.
a/kernel-huge-4.19.23-i586-1.txz: Upgrade ...

On Twitter:

Or by Atom feed:

a/kernel-firmware-20190213_710963f-noarch-1.txz: Upgraded.
a/kernel-generic-4.19.23-x86_64-1.txz: Upgraded.
a/kernel-huge-4.19.23-x86_64-1.txz: Upgraded.
a/kernel-modules-4.19.23-x86_64-1.txz: Upgraded. ...