The new iMac Pro is shipping , and ADSK have announced certified system specs and support for OSX 10.13.2 High Sierra
Certified sytem specs for Flame 2018 on late 2017 iMac Pro are detailed here :
If upgrading older Mac Pro’s and iMac’s to High Sierra the following procedures MUST still be followed:
Please note: Flame Family applications older than 2017 SP1 (Smoke DS 2017 SP3) are NOT supported on macOS High Sierra.
Any questions? Reach out to firstname.lastname@example.org