The Fujifilm X-T3 was officially announced in September, 2018. We just got from our trusted source that Fujifilm is planning to release the Fujifilm X-T4 in 2020, around the second half 2020.
According to our trused source, the Fujifilm X-T4 will have a brand new APS-C sensor. With improved AF system, improved image quality and more, also IBIS may also coming to X-T4. Specs of Fuji X-T4 is still too early for us. Stay tuned !