Squeak/Smalltalk 6.1 Release Notes

Squeak 6.1, released as the system approaches its 30th anniversary, introduces a new tree browser with improved navigation through classes and categories, brings back Objectland ("Worlds of Squeak"), and includes numerous kernel infrastructure improvements for process simulation and class management. The release represents a major update incorporating over 1,700 patches with 9,000+ method changes since the last release four years ago, with enhancements across GUI frameworks, tools, and the development environment. The release notes are dedicated to the memory of Vanessa Freudenberg.