Next event dedicated at tales of series will be held at december 16th, don't know but it smells like they would announce the next mainline entry...
Bandai Namco will host a Tales of series 22nd anniversary broadcast titled “Tales Room” on December 16 from 20:00 to 22:00 JST, Bandai Namco announced. It will be live streamed on YouTube, Niconico, and Periscope.
Read more at https://gematsu.com/2017/12/tales-series-22nd-anniversary-broadcast-tales-room-set-december-16#G2qfuC5VSk4DGdIF.99
https://gematsu.com/2017/12/tales-series-22nd-anniversary-broadcast-tales-room-set-december-16