Though it hasn't been officially announced by him or any of the guys, him, Eric Friedman, and Elvis Baskette are in NRG Studios in California working on something.
From Wolfie:
From Erock:"I'm recording things. #sunsetsound"
From Elvis:
"So freaking excited to be making some noise at @nrgrecording studios again.."
"Laying tracks with @1f_jef @wolfvanhalen and @ericcfriedman @nrgrecording with @mikefasano ! Sounds ridiculous!! @mteckes #homeawayfromhome"