In celebration of the 20th anniversary of the very first release of Processing, the quintessential software sketchbook for visual artists (image: Pro55essing ALPHA, ca. 2003), developers Ben Fry and Casey Reas share the first beta of version 4.0. Feature highlights include Java 11 support, updated video and sound libraries, and direct export of MP4s and animated GIFs. The celebrations continue: over the coming days and weeks the Processing Foundation, universities, and cultural organisations will host a series of community events.