Yes they do: Canon is the most used camera gear in astrophotography (see image on…
Canon EF 24-105mm f/4.0L IS USM Mark II product page at DigitalRev
After the Canon EOS 5D Mark IV product page, also the Canon EF 24-105mm f/4.0 L IS USM Mark II page went online at retailer DigitalRev, although both are without specs nor pictures.
An announcement at the end of August 2016 for the Canon EOS 5D Mark IV and the Canon EF 24-105mm f/4.0L IS USM Mark II appears to be pretty sure :-)