Rhino 8 WIP Mac: Color Picker Bug Crash

Hi all,

Just wanted to note a bug in Rhino 8 WIP that causes a full crash on MacOS

in Grasshopper, when you try and access the ‘color picker’ (right click), and if you click in the ‘field’ of the color area, you get a full application crash. If you click and drag on the ‘target’ widget though, it does work ok and you can select a color without getting a crash


  • Macbook 2021, Apple M1 Max
  • OS 12.3 (Monterey)
  • Rhino Version 8 WIP (8.0.22081.12306, 2022-03-22)

all the best,

error report text attached for reference.
error_report.txt (180.9 KB)

Hi Ed -

Is that still happening in a more recent build of Rhino 8?

Hi @Wim,
I just updated to 8.0.22213.12306 and now it looks like this is all working fine. Thanks so much!