January 18, 2019

• The XES Certification (Levels A, B, C, and D and flag X for import, none for export) for ProcessGold 14 has been approved.
  

December 20, 2018

• The XES Certification (Levels A, B, C, and D and flag X for both import and export) for Pm4py 0.1 has been approved.
  

December 5, 2018

• The Artifact Lifecycle extension has been approved.
  

November 21, 2018

• The XES Certification (Levels A1, B1, C1, and D1 for import, none for export) for QPR ProcessAnalyzer 2018.6 has been approved.
  

November 20, 2017

• The Software Telemetry extension has been approved.
• The Software Communication extension has been approved.

November 14, 2017

• The XES Certification (Levels A1, B1, C1, and D1 for import, none for export) for Celonis 4.2 has been approved.
  

November 7, 2017

• The Software Event extension has been approved.
  

October 13, 2017

• The XES Certification (Levels A-D and X for both import and export) for ProM 6.7 has been approved
  

September 11, 2017

• The current state of the XES Standard was presented at the BPM 2017 conference in Barcelona.

July 19, 2017

• The XES Certification proposal has been approved.
  

• The current state of the XES Standard was presented at the BPM 2016 conference in Rio de Janeiro.

June 27, 2016

• The third external version of the XES Standard is published. This is the version of the proposal that resulted from the ballot, and that has been approved by the IEEE.

January 21, 2016

• The Micro extension has been approved.
  

January 5, 2016

• The second external version of the XES Standard is published. This is the version of the proposal that resulted from the MEC (Mandatory Editorial Coordination), and that will be used as input for the balloting.

December 2, 2015

• The first external version of the XES Standard is published. This is the version of the proposal that was provided as input for the MEC (Mandatory Editorial Coordination).

October 2, 2015

• The second internal version of the XES Standard is published.

August 31, 2015

• The current state of the XES Standard was presented at the BPM 2016 conference in Innsbruck.

August 6, 2015

• The first internal version of the XES Standard is published.

March 26, 2015

• The Project Approval Request (PAR) for the XES Standard (requires authorization) is approved.

June 20, 2014

• A XES Webinar (see also the video on Vimeo) was presented to introduce the XES Standard.