Zeiss has no plans to make mirrorless lenses for Nikon Z-mount
HD PENTAX-D FA 70-210mm f/4 ED SDM WR lens technical details
Leica M10-R camera confirmed to be announced in the next few months

Fujinon GF 45-100mm f/4 R LM OIS WR and Fujinon XC 35mm f/2 lenses additional information:

The previously rumored Laowa 4mm f/2.8 fisheye lens for Sony E, Fuji X, and Canon EF-M mounts from Venus Optics is now officially announced. Pre-orders are now open at Adorama and Laowa’s website. Additional information:

In addition to the Fujifilm Fujinon GF 45-100mm f/4 R LM OIS WR, Fuji will announce also a new XC 35mm f/2 lens. Here are the first leaked specifications:

A new Fujifilm X-T200 camera was registered online (with Wi-Fi, Bluetooth, USB Type-C) that will use the Fuji NP-W126S battery. The official announcement should be on January 23 together with the Fujifilm Fujinon GF 45-100mm f/4 R LM OIS WR lens.
Additional pictures:

The upcoming HD PENTAX-D FA 70-210mm f/4 ED SDM WR lens is already listed at Amazon Spain:

LeicaRumors published some new pictures and full technical specifications of the upcoming Leica S3 medium format camera (delayed until spring 2020):