Core & TKLDev v16.0 Release Candidates - now available for download!

Update 2020-05-04: We've finally published Core and TKLDev as stable releases (v16.0); along with a few others. The RC releases noted here are no longer available for download.
Please see the first instalment of updated appliances.
Update 2020-05-15: Please see the second instalment of updated appliances.

Let's Encrypt SSL/TLS certificates may require manual update

As highlighted in the forums by Sean, Let's Encrypt recently discovered a bug in their Certificate Authority (aka CAA). The implication of this is that some of the certificates that they have issued, they shouldn't have!