- No planned downtime
- JIRA upgrade - 30th Nov 2010
- Statement from CEH regarding recent downtime
- Wiki upgrade - 15th December 2010
- Wiki upgrade - Friday 20th May 2011
- Wiki upgrade - Tuesday 10th January 2012
- Wiki upgrade - Friday 3 May 2013
- Wiki Data Corruption - 24th May 2016
- Wiki upgrade - Friday 14th October 2016