Tamron has just posted another teaser for the upcoming 4 new FE lenses. According to Tamron, all these 4 new FE lenses are expected to be announced in October, 2019.
Tamron 50mm f/2.8 FE Lens
Rumors: Upcoming 3 Tamron FE Prime Lenses are f/2.8 Lenses
Tamron has posted the teaser of upcoming 4 new FE lenses. We have just find Tamron recently has filed patent for three new prime lenses: