Below is a list of all available downloads ordered by version, starting with the most recent version.
Releases are signed using the keys listed here.
Release notes can be found here.
Known issues can be found here.
Note that the YubiHSM 2 SDK releases have moved to a date-based version numbering starting with yubihsm2-sdk-2019.03. Also, be advised that while full yubihsm-sdk packages will continue to be released regularly, the individual components may have several releases in the meantime. Those releases are available on the individual component’s release page. There will always be a full yubihsm-sdk release if any of the individual component would require a security update.