https://www.techradar.com/news/canon-rumored-to-have-two-further-eos-m-models-on-the-way

Despite having launched an all-new mirrorless system with the full-frame EOS R, Canon reportedly plans to continue developing its existing EOS M mirrorless series, with new cameras on the way next year.

Canonrumors reports that "at least" two further models in the line are set to arrive in 2019.