[littlecranky67]

Is that the identity server for dotnet that has been converted into a commercial product and costs a huge pile of money to use (lite starts at almost 6000$ per year): https://duendesoftware.com/pricing

[hmokiguess]

Yes, we started using it on version 3 and ejected from it with self hosting prior to it becoming a commercial product.

[littlecranky67]

And who provides the security patches for it now?

[hmokiguess]

the same internal team, on the things that have drifted since then