| 0.9.1 | src | |
| 1.0.1 | src, DOS, Windows 3.1 | |
| 1.1 | src, Sequent PTS 4.0 (core only) | |
| 1.1.1 | 32-bit DOS | |
| 1.2 | src, library only, DOS, OS/2, AIX 3.2.5 (ILU), BSDI 1.1, HP/UX 9.04, Linux 1.1.59, OSF 3.0 (ILU), SCO 3.2.4, IRIX 5.2, SunOS 4.1.3, SunOS 5.4, Ultrix 4.4 | |
| 1.3 | src, library only, HP/UX 9.05, IRIX 5.3, OSF 3.2, SunOS 4.1.4, ULTRIX 4.5, BSDI 2.0, DGUX 5.4R3.10, HP/UX 10.10, Linux 1.2.13, Linux 2.0, Solaris 2.4 (SPARC), Solaris 2.5 (SPARC), Solaris 2.5 (x86), Windows 95, and Windows 3.1 with Win32s | “X Extension” |
| 1.4 | src, library only, library only (DOS), DOS (core only), OS/2 (WPY, core only), OS/2 (EMX), Windows 3.1 (core only), Windows (32-bit), Linux 2.0, OSF 4.0, AmigaOS, BeOS DR8, BeOS DR9-1, FreeBSD, HP-UX, AIX 4, IRIX 5.3, Solaris 2.4 (SPARC), SunOS 4.1.3 | PyWin32, Win32Com, PythonWin, WPY source, WPY Win32, WPY Win16 |
| 1.5.0 | src, library only, Windows, QNX 4 | PIL |
| 1.5.1 | src, Classic Mac OS, Windows | |
| 1.5.2b1 | src, Classic Mac OS, Windows | |
| 1.5.2b2 | src, Windows | |
| 1.5.2c1 | src, Windows | |
| 1.5.2 | src, Classic Mac OS, Windows, BeOS (PPC), BeOS (x86) | |
