28 December 2007 - ProtoCollum release
Version 1.7 released with these enhancements and/or fixes:
 - support for message broadcast modeling

14 August 2007 - ProtoCollum release
Version 1.6 released with these enhancements and/or fixes:
 - added a struct method to objects for handling more complex data
 - new struct capability used to add Frame (data payload with fields and sub-fields) to message objects

2 February 2007 - 802.11 Model release
Version 3.26 released:
 - our full model of the 802.11 Wireless LAN protocol
 - covers all nine architecture services at a peer to peer (intra-layer) level of abstraction
 - no licensing restrictions on the 802.11 model

2 January 2006 - ProtoCollum release
Version 1.5 released with these enhancements and/or fixes:
 - upgraded to Tcl8.4

16 September 2005 - ProtoCollum release
Version 1.4 released with these enhancements and/or fixes:
 - simulation performance improvements to support large protocols
 - performance improvements for writing large models to disk
 - usability enhancements such as copy of Edit and Test sheets, Quick Change Mode

6 June 2005 - EE Times article about Bellum Software and ProtoCollum tool
"Tool for capturing comms protocols debuts"    by Richard Goering
  article

6 June 2005 - Offical News Release on ProtoCollum
New Company Offers Architecture Workbench for System Engineers; See it for the First Time at DAC Booth #2187
  Bellum_news_release_6.6.05.doc
  html version

6 June 2005 - ProtoCollum release
Version 1.3 released with these enhancements and/or fixes:
 - support for large protocols via Rule deployment/recall
 - new assertion rules for state checking
 - additional demonstration and example code (including using ProtoCollum as a checker in co-simulation)

8 April 2005 - ProtoCollum release
Version 1.2 released with these enhancements and/or fixes:
 - support for timing; arbitrarily complex timing expressions, new clock object
 - support for large protocols via new Pin and Pptr objects
 - fixes to "Cara" system package for Context and message history

4 October 2004 - ProtoCollum release
Version 1.1 released with these enhancements and/or fixes:
 - rapid prototyping support via "facts" and parameter value forcing
 - new window for managing add-on packages
 - the 'trc' (tracing) package is bundled with the release

22 July 2004 - ProtoCollum release
Version 1.1b (beta) released.

8 July 2004 - ProtoCollum release
Version 1.0b (beta) released.