Seems that v1, which is now 15 years old and nearly 10 million downloads, still gets downloaded over 1,000 times daily. But it has needed a fresh for a while now. IPv6 is here as well as encrypted DoH, DoT, DoQ, etc.
There is a roadmap published at the link below outlining what the planned new features look like. There will still be a free version with some new features, but there are also Plus and Pro versions that have a once-off fee, but do include all future updates.
Although it was (and still will e) written to work on Windows OS, it will be fully compatible to run under WINE on Linux.
So hopefully this will be available sometime later in 2025.