REMEMBER: these are just rumors and shouldn't be taken for being legit until it is actually confirmed.
-Going off of well reception in toy sales, next year's series will
apparently be along the lines of "animal faced" vehicles, Go-onger
style. Likely, the flavor of the designs will be different, but the idea
will be the same. (This makes sense, if true, as Bandai wouldn't want
to take a step back in toy sales from Kyoryuger. You have to follow up
dinosaurs with something that is known to work. Ninjas, Samurai and
pirates are out, for obvious reasons.)
Do keep in mind, animal-faced vehicles has a wide range. Go-Busters,
Goseiger, Liveman, and Jetman all fall into that category, after all.
-In a surprising move, a lion will not be counted among the mecha.
(Lions having become a staple of animal themed shows.) That is not to
say, however, that a lion mecha won't show up somewhere down the line.
-The color yellow will return to the ranger color wheel next year, as a female