This build is mentioned in Microsoft antitrust document PX01251. No exact build number is given, though the document states the following about this build:
- SYSTEM.DRV - Setup problem on DOS 3.1 - Bug #14863
- EGAOEM.FON - change resolution to 72*96, font mapping problem for terminal font
- VGAOEM.FON - change resolution to 96*96, font mapping problem for terminal font
- WIN386.EXE - Bug #14413, invalid VxD dynamic link call
- ScreenSavers - Change font from HELV to MS SSERIF
- SMALL*.FON - mark as 3.0 compat
- DRIVERS.CPL - MMBug #6149, prompts to reboot if driver is already present
- GDI.EXE - WinProj 1.0 divide by zero trashes Windows
- *.HLP - Recompiled with the new HC.EXE
- KRNL286 and 386 - Bug #14975, DBWin crash w/output to COM1 at app exit; #14976, exit Windows after app exit, DBWin
Both RC3 and RC3a are mentioned, so it is unknown whether these refer to the same build or if RC3a is merely a recompile of RC3.
