According to Nettavisen, JI is signed up for both the 1500 and 5000 for the WC in Tokyo.
I think that him not racing may turn up to be a huge advantage because nobody expects him to run like in Paris, taking off the pressure for him to win it in "the right way". Will this be the year where he finally pulls off the long awaited El G windup from 800m out?
Bold prediction: Jakob wins the double and cements himself as the greatest middle distance runner of his era.