The good news is Tamron confirmed that the 17-70mm f/2.8, a highly popular standard zoom lens, will be announced soon for Fujifilm X series APS-c mirrorless cameras.
Tamron already announced that in terms of lenses for Fujifilm X mount, they plan to launch next a a standard zoom, a wide-angle zoom and a telephoto zoom. It’s highly likely that the Tamron 11-20mm f/2.8 DI III-A RXD will be another lens that Tamron will launch, but the telephoto zoom that they mentioned is still unknown for now.
The Tamron 17-70mm f/2.8 Di III-A VC RXD Lens is available for Sony E-mount at B&H and Adorama.