For more granular updates check http://twitter.com/observium or 
http://www.observium.org/websvn/listing.php?repname=observer

Release 0.10.6

Changed netstats (icmp, udp, tcp, snmp, ip) stats collection
Implemented new application monitoring system
Implemented new includes-based graphing system
Improvements to eventlogging code
Replaced interfaces polling code (2x speed improvement on average!)

Removed, cleaned up or replaced a lot of old and unused code.

Added support for IPv6 BGP sessions on JunOS
Added support for Dell Powerconnect and HP Procurve switches
Added support for Supermicro SuperoDoctor temperature support
Added support for LLDP discovery
Added support for Q-BRIDGE-MIB VLANs (basically for non-cisco HW)
Added support for LMSensors and Supermicro Temp/Fan/Voltages
Replaced old image-based percentage bar with new CSS bar
Added Foundry/Brocade support
Added Juniper JunOSe support

And more...

Release 0.6.0 ( 28th August 2009 )

Changed IPv6 database structure and discovery *** DATABASE CHANGE ***
Added CollectD integration code
Added fixed mib loading to SNMP commands
Replaced IPv4 and IPv6 discovery code
Added support for CISCO-PROCESS-MIB for per-CPU graphing
Added support for CISCO-ENHANCED-MEMORY-POOL-MIB for per-pool graphing

Release 0.5.1 ( 25 March 2009 )

Primarily bugfixes to 0.5.0
Removed GPL'd code and added downloader helper scripts instead
Added Pseudowire menu entry and configuration option
Fixed device adding scripts and added port option to web interface
Fixed interface packets/bits/errors links
Fixed some non-absolute links
Fixed device deletion script

Release 0.5.0 ( 24 March 2009 )

Cleaned up a lot of hardcoded paths
Cleaned up BGP session polling
Added CDP-based device link map
Added sysName tracking for more accurate CDP linking
Added more search features for syslog, device list and inventory
Replaced old syslog system with new version, without pipes
Added more Pseudowire/X-Connect tracking information
Fixed a lot of URLs to be absolute URLs built from base_url
Fixed some mod_rewrite rules
Added basic MAC accounting polling
Added config display and syntax colouring for RANCID-collected IOS configs


Release 0.4.1 ( 20th Nov 2008 )

Cleaned up some configuration settings
Added more connection type rewrites
Added ability to change device names
Cleaned up IPv6 and CDP discovery
Security fixes

Release 0.4.0 ( 11th Nov 2008 )

Much prettier front page
Tidied up service checking layout
Added MPLS VRF tracking
Added Pseudowire/X-Connect tracking
Basic front page customisation
Fixed aggregate graphs
IPv6 address tracking
View for ports with errors
Added some JunOS support

Release 0.3.2.1 ( 27th March 2008 )

Minor bugfix to interface discovery engine.

Release 0.3.2 ( 26th March 2008 ) 

Added BGP peer detection and watching
Cleaned up the front page and made it more useful
Added better syslog support
Added some Juniper Netscreen support 
Wrote a better OS detection system
Added some billing features 
Rewrote and restructured a lot of the discovery
Rewrote some polling stuff

... This release is greatly improved, and threatens
 to actually work properly for people other than me!

Release 0.3.1 ( 30th November 2007 )
Fixed a great many things and made it prettier!

.. This release took so long that I've largely forgotten 
 what's been changed. Again!

Release 0.3.0-pre1 ( 24th June 2007 )
Added VLAN features for cisco devices
Added scripts to check for interface errors
Added extraction of current interface rates from rrd files
Added some syslog stuff
Added email notification for device reboots

.. Lots of other updates, most of which i've forgotten about!

Release 0.2.5
Added new CDP detection code and proper CDP link removal
Added service addition page
Added device overview
Added more interface pages
Added syslogging using syslog-ng
Added temperature monitoring and discovery
Added TCP/IP/UDP/ICMP statistics collection and graphing
Fixed some graphs
Tidied up some font sizes
Added stylesheet variable into config.php to allow custom files to be used

Release 0.2.4
Fixed some misnamed files
Fixed some hardcoded binary locations
Removed some messy AJAX
Replaced the menu bar
Added some new menu items
Cleaned up presentation of some pages

Release 0.2.3
Fixed some broken graphing code
Added host add/remove to web interface
Added host/interface/service status to web interface
Tidied up some code

Release 0.2.2
Replaced old layout with new 'Project Observer' layout
Added recognition of SNOM SIP phones, data collection and some graphing
Modified standard layout to remove Vostron-specific elements
Added cpu graphing for ProCurve devices
Added tabs for device page and AJAX loading of contents
Detection of HP ProCurve devices
Detection of m0n0wall devices by new snmp-id
Can now disable the Transit, Peering and Customer sections
Added some tabbing to Interface
Added detection of Net/Open/DragonFlyBSD

Release 0.2.1 - 19th January 2007
Modification of graphing disply style
Seperatation of device types
Implementation of storage graphing

Release 0.2.0 - 20th December 2006
Cleanup of graphing code
Seperation of customer-accessible interface
Preliminary alerting system

Release 0.1.2 - Late November 2006
Graphing of additional server-related data

Release 0.1.1 - November 2006
Removal of large amounts of perl

Release 0.1.0 - October 2006
Initial Release
Basic discovery in place. Graphing in place
