The downloaded installer will install two extensions at once: an Archicad Add-on and a Grasshopper plug-in. These two will communicate creating the connection between the two design software.
Grasshopper-Archicad Live Connection will not update automatically with an Archicad update.
Important Notes:
- On Windows Grasshopper – Archicad Live Connection supports Rhino6;
 - On macOS Grasshopper – Archicad Live Connection supports Rhino5. They don’t support Rhino6 WIP.
 - Grasshopper – Archicad Live Connection is not compatible with Archicad STAR(T) Edition
 
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Last modified: Nov 22, 2018.
List of Improvements in this version
Improvements:
- Performance upgrade.
 - It is now possible to handle GDL ARRAY parameters.
 - Parametric Profile function was introduced.
 - Grasshopper error messages now appear in the Teamwork environment.
 - It is now possible to extract BREP from referenced AC geometry based on material classification.
 - A Delete automatic lock function on elements was introduced in Archicad.
 - Send Changes button was introduced on Archicad’s Grasshopper palette.
 
- 240851: 2D Curves created in Archicad now can be used directly in Grasshopper.
 - 246983: Zone element referencing from Archicad was lost when Rhino/Grasshopper had been closed.
 - 252571: In case of ‘Core Dimension 1’ parameter in Column Node units were set always to meters.
 - 247441: CW Boundary Custom Node – Check Panel Regions ON – The new Panel types were created in another Panel Class.
 - 253835: Some curved elements that came from Grasshopper became segmented.
 - 250450: Sometimes Rhino/Grasshopper froze when opening Grasshopper files that contained Doors/Windows while Grasshopper-AC Live Connection was running.
 - 253710: Story list was incorrectly formatted, if the Rhino Units were set to mm.
 - 246213: Complex Profile Parameters were not handled by the Add-on and led Rhino to crash.