Research is still in progress on the Higgs boson and how it behaves with the Higgs field, but it seems to behave consistently with the expectation of waves.
There's still a LOT of questions outstanding about the Higgs boson.
Some interesting reading:
https://www.space.com/36857-higgs-boson-mass-mystery.html
A lot of the speculation about wave packets and Higgs come well before CERN proved the existence of the particle, so it's not necessarily born out as of yet.