The prominent French dealer has ceased his partnership with Tom-David Bastok and Dylan Lessel

Plus, fair guides take on the chatbots and Kosovan artist talks to the chickens

Founder Emmanuel Perrotin will retain a 40% stake in the international contemporary art gallery that he founded in 1990, but Colony IM will provide a capital injection and "corporate infrastructure"

French gallery is hiding 20 valuable works in the empty nave of the Grand Palais—and the public have 48 hours to find them and take them home

Plus, Sprüth Magers's Los Angeles outpost will host a posthumous survey of John Baldessari’s last painting series

The gallery will relocate to a new cultural and residential district developed by billionaire collector Adrian Cheng