MutualArt has published its first October edition of The Art World This Week, collecting the most consequential art stories of the past seven days into a single digest. Topping the roundup is a New York fall auction at Sotheby's featuring a rare Vincent van Gogh painting unseen for half a century, expected to fetch around $180 million and potentially set new auction records for both van Gogh and Paul Cézanne. The $450 million consignment is positioned as one of the most valuable collections ever offered at auction. Museum leadership dominates the institutions section. Ann Temkin, the longtime head of the Museum of Modern Art's painting and sculpture department, will step down from the curatorial post she has shaped over her career and transition into a new role tied to the museum's 100th anniversary. On the West Coast, MOCA Los Angeles has appointed Jonathan Abbott, previously chief executive of Boston's GBH public media organization for 15 years, as its next director. In Europe, Stephanie Rosenthal — departing after the Guggenheim Abu Dhabi opening — will become artistic director of Rotterdam's Museum Boijmans Van Beuningen, and the Fondation Beyeler in Riehen, Switzerland has unveiled three new buildings designed by Pritzker laureate Peter Zumthor. The market and museum sections flag additional stories: J.M.W. Turner's Roman view making a brief return to the city before a UK auction where it could set a record, and a widely speculated Goya painting slated for a 2028 Museo del Prado exhibition. Awards round out the week: Christine Sun Kim, Rodney McMillian, Vincent Valdez and Chip Thomas are among the 20 recipients of the $800,000 MacArthur fellowships, and Canadian artist Steven Shearer has won the $100,000 Audain Prize recognizing visual arts achievement in British Columbia. The digest also notes Turner Prize–nominated works going on display at a regional gallery whose director called the occasion a prestigious opportunity. Taken together, the week's headlines trace a familiar pattern: record-chasing consignments at auction, generational turnover in museum leadership, and a widening geographic spread for institutional recognition.