GPI is not available in semester 20B or later due to being removed from science operations for the GPI 2.0 upgrade and move to Gemini North.
GPI is now warming up since Monday the 16th due to the unplanned shutdown due to the Covid-19 outbreak. The instrument is now safe in a shutdown state on the telescope.
GPI is not offered in Semester 2020B as the instrument will leave GS in early 20B for upgrades and later commissioning at GN.
To highlight relevant issues that are still relevant I have moved old/historical information to the end.
Update June 26th, 2019
As a friendly reminder proposers should be aware that: