Ah article answered me in another thread. This is what they wrote:

It’s more of a diffuse sludgeball of a core getting dissolved within the plasma. See figure 2 in this paper: https://iopscience.iop.org/article/10.3847/PSJ/ac7ec8
These are current best fit models to the data which are still coming in from Juno. This new paradigm is our best understanding yet, but like anything in science, is capable of being overturned by later experiments and new data.
There is a lot more that we don’t know about Jupiter than we do know.