Virtual Serial Port Driver 6.9 [6.9.1.134]
Released: 5th August, 2008

• Fixed: bug in interface in Windows XP Embedded

Virtual Serial Port Driver 6.9 [6.9.1.132]
Released: 23rd May, 2008

• Added: Windows Server 2008 support
• Improved: our drivers successfully passed Microsoft Windows Hardware Quality Labs (WHQL) tests and are digitally signed by Microsoft now
• Improved: drivers stability
• Virtual port creation speed is greatly increased
• Fixed: minor bug in interface under Windows 98/NT4
• Fixed: several minor bugs and glitches

Virtual Serial Port Driver 6.0 [6.0.1.117]
Released: 17th March, 2008

• Improved: multi-processors support
• Improved: Baudrate emulation is enhanced greatly
• Fixed: some stability issues
• Fixed: several minor glitches

Virtual Serial Port Driver 6.0 [6.0.1.115]
Released: 22nd May, 2007

• Totally refreshed, more flexible and user-friendly interface
• Virtual Serial Port Driver and all of its internal modules are now digitally signed
• Virtual Serial Port Driver is completely compatible with Windows Vista including its 64-bit edition
• Added: completely new Serial Ports Explorer, which helps you get full information about all serial ports present in system
• Added: port access list, which is used to restrict access to created ports for various applications (for Windows 2000/XP/2003/ Vista)
• Added: applications, which are connected to created virtual serial ports are displayed in Serial Ports Explorer
• Added: current virtual port settings (Handflow, Chars, Line, Baudrate, Timeout) are changing automatically depending on port settings at the remote end (OEM only)
• Improved: different pinout presets (standard/loopback/custom) for more convenient usage of various null-modem schemes
• Improved: virtual serial ports are now located in "ports" group in Device Manager independently of their names
• Improved: multi-processors support
• Improved: overall application stability and speed
• Fixed: some minor glitches

Virtual Serial Port Driver 5.1 [5.1.7.60]
Released: 3rd August, 2006

• Improved: Application's stability due to driver enhancements
• Fixed: Virtual Serial Ports Driver installation procedure- it works under 64-bit Windows versions now
• Fixed: several minor issues

Virtual Serial Port Driver 5.1 [5.1.7.57]
Released: 24th February, 2006

• Fixed: Real port detection procedure

Virtual Serial Port Driver 5.1 [5.1.3.41]
Released: 9th September, 2005

• Improved: Virtual Serial Ports Driver works now under 64-bit Windows versions

Virtual Serial Port Driver 5.0 [5.0.3.31]
Released: 20th July, 2005

• Added: Ability to select Virtual Serial Port created by configuration manager in "Add a printer" wizard (after Windows reboot)

Virtual Serial Port Driver 5.0 [5.0.2.25]
Released: 5th July, 2005

• Fixed: The bug in security module

Virtual Serial Port Driver 5.0 [5.0.2.21]
Released: 8th June, 2005

• Improved: User Manual
• Fixed: Syntax errors in Configuration Utility
• Improved: Minor interface enhancements (new icons)

Virtual Serial Port Driver 5.0 [5.0.2.20]
Released: 7th June, 2005

• Added: Hardware pinout/wiring customization
• Added: Strict baudrate emulation for Windows NT
• Added: Line break emulation
• Improved: Major interface enhancements (detailed information about virtual serial pair, custom pinout, etc.)
• Added: Ability to fetch complete information about virtual serial port directly from driver (current state, sent/received bytes Baudrate/ControlLine/Handflaw state etc.)
• Added: Serial port overlapping (you may create virtual port with existing real port names (COM1, COM2 etc) and operate it)
• Improved: Virtual serial ports are created by driver at the Windows startup
• Improved: Virtual serial ports configuration procedure: you don't need to close all existing virtual serial ports to reconfigure them
• Improved: Existing virtual port pairs are enumerated and graphically represented
• Fixed: Few minor bugs

Virtual Serial Port Driver 4.5 [4.5.9.102]
Released: 17th May, 2004

• Added: Strict baudrate emulation
• Added: Windows XP SP2, Windows 2003 Server support
• Improved: Hyperthreading is supported from now on
• Improved: Program interface
• Fixed: Few bugs

Virtual Serial Port Driver 4.0 [4.0.7.77]
Released: 20th February, 2004

• VSPDXP and VSPD 9x are merged
• Added: Windows XP SP1 support
• Completely new and revised program interface

Virtual Serial Port Driver 3.0 [3.0.2.30]
Released: 14th November, 2003

• Completely NEW kernel is added
• Added: Support of WDM, PnP, WMI technologies
• Added: Full compatibility of program interfaces with standard Windows "serial.sys"
• Added: Signal lines and flow control emulation
• Added: Multiple ports creation/manipulation
• Added: "Hot" installation and port creation
• Improved: Program interface

Virtual Serial Port Driver 2.0 [2.0.15.29]
Released: 19th July, 2003

• Added: Windows NT support
• Improved: Program interface is significantly improved
• Fixed: Some minor bugs are fixed

Virtual Serial Port Driver 2.0 [2.0.0.11]
Released: 7th July, 2003

• Added: Windows Me support
• Improved: Program interface
• Fixed: Some bugs

Virtual Serial Port Driver 1.0 [1.0.6.53]
Released: 19th June, 2000

• Totally new product that features Windows 9x support; one virtual serial port pair and no signal lines emulation