Release Notes: Improvements and speed-ups were made in the rendering code. Bugs were fixed.
Release Notes: Software and OpenGL renderers are now built into the same program, and can be selected at runtime. A recently-introduced crash when saving the game at some big levels was fixed. Other miscellaneous feature enhancements were made.
Release Notes: This release increases various limits affecting maximum level size. There are also several minor enhancements to the automap, demo support, improved higher resolution support, OpenGL fixes, and fixes for some possible crashes.
Release Notes: Performance at higher resolutions has been improved. It now works okay with gcc 4.1. There are also some improvements on Mac OS X, as well as code cleanups.
Release Notes: This release improves the display code and fixes bugs.