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From what I understand, it depends on the software developers, and whether they include support for an older wheel that was designed for the PS3. You have a popular (and good) wheel, so if any wheel is going to have PS4 developer support, I would bet it would be the Logitech Driving Force. Wheels are a big investment, and there are some $250 options out there, so I would hope that developers support the older wheels for a while.
Here is the direct quote from Sony: “Generally speaking, no. However, at launch, users will be able to use these controllers if a specific game title allows it to be used within the game. This decision is upon the game developer and will vary from game to game.”