Available via the Global Updates. They retain Ver. 1.1.02 (no idea why, confusing)
Enables C23 camera "zoom". New icon added on right side at top, press icon and get choice of 1X, 2X, 4X, or 8X zoom.
MORE: as of 3-15-19 the latest TH Plus update is available in the regular ST16S update location.
3-20-19 last update corrected to avoid a "looping" problem.