Have you not seen some of the replies at the link?
For example:
"You are joking ?!
The commit about source only is 4 days old (9e49d5e)
We are currently paying for a license while using the open source version, you already removed the oidc code from UI console and now docker images. We are not happy by this lock-in. We will discuss this internally, but you may loose a paying customer with this behavior."