Release Notes: A potential use of uninitialized variable was fixed.
Release Notes: Abbreviations are now provided only when absolutely necessary. Sherlock's "attribute 48" bug is worked around. Sounds are properly loaded from Blorb files. Debugging commands have been added to aid in finding cheats.
Release Notes: Arbitrary in-memory save points can now be created. Undo is supported in more V5 Infocom games. Various other small enhancements and bugfixes have been added.
Release Notes: The license was changed change from GPLv2-only to dual-licensed GPLv2 and GPLv3. There have also been various small bugfixes.
Release Notes: The most significant change is the addition of meta-commands, the most important of which allows multiple undo to be supported in all games, including those that do not support undo at all.
Release Notes: Preliminary support for the @sound_effect opcode.