A Bluetooth certification listing for the Samsung Galaxy Tab S4 has been spotted by SamMobile. The declaration details seem to confirm the existence of the device, which should offer Bluetooth 5.0 connectivity. The last tablet in the Galaxy Tab series was the Samsung Galaxy Tab S3, which was released in the US and Canada on March 24, 2017.
https://www.notebookcheck.net/Samsung-Galaxy-Tab-S4-confirmed-in-Bluetooth-certification.303516.0.html
SAMSUNG... 4 years we have been waiting for a 12.2 replacement.... if APPLE can.. why can't you?