| Version of NeXTSTEP | |
 | |
| Version | 4.0 |
|---|---|
| Codename | |
| Preliminary name | |
| Architecture | m68k, x86, SPARC |
| Latest build | |
| Release date | 1996-06 |
| Support end | |
| About |  |
OPENSTEP for Mach 4.0 is a version of OPENSTEP, released in June 1996. This version drops support for the PA-RISC architecture.