I have been using Winstep Xtreme for several years now and attest that it is worth every penny spent, and not just on the initial product itself, but also on the annual subscriptions, which entitled me to all the new upgrades and innovations.
It is also true that Jorge is constantly working to create new features, improve existing ones and fix the bugs caused by Windows Updates. His efforts make Winstep the most useful, stable and enjoyable apps to use, and I would most certainly recommend it to anyone needing good and efficient productivity tools that look fantastic as well.
I also own ObjectDock as well, but unfortunately it doesn't work so well on this iteration of Win 10 on my main machine. However, I have another Win 10 machine it works well on, as well as a Win 8.1 machine, so I keep it for when I'm on those rigs.