Chronopin: upcoming release dates, events and other important dates

OpenAI switches off Agent Builder on 30 November 2026; requests to them stop working and callers have to move to the named replacements.

OpenAI switches off Evals platform on 30 November 2026; requests to them stop working and callers have to move to the named replacements.

ESA publishes the fourth Gaia data release, the mission's first principal release, covering the first 5.5 years of observations. It adds astrometric time series, an exoplanet list and the software to work with them.

TOHO animation STUDIO's The Apothecary Diaries: The Deceased Empress' Treasure, an original film story by Natsu Hyuuga, opens in Japanese theaters.

Twenty years after it was announced, the Guggenheim Abu Dhabi opens on 11 December 2026 as the largest museum in the Guggenheim family - about 80,000 square metres, against roughly a quarter of that in New York. Frank Gehry arranged it around a single tall atrium with galleries threaded between ten sculptural cones, nine sheathed in stainless steel mesh and one in onyx and glass, so the roofline reads as a cluster of towers from across the Culture District.

Nike’s “Purple Venom” colorway of Caitlin Clark’s Caitlin 1 signature basketball shoe goes on sale December 12 for $140 in adult sizes.