---
title: "What's new in CGM2?"
canonical: "https://help.vicon.com/space/Nexus215/11376113/What's%20new%20in%20CGM2%3F"
format: markdown
---
The following updates were made to using CGM2 with Nexus 2.14 (no additional updates are included with Nexus 2.15, but see the [Addressed issues](https://vicon-help.atlassian.net/wiki/spaces/Nexus215/pages/11381598)):

- CGM2 version updated to v4.2.
- CGM2 now uses Python 3.
- New operations for event detection and Kalman gap-filling (see [Additional information about CGM2](https://vicon-help.atlassian.net/wiki/spaces/Nexus215/pages/11381378/Use+pyCGM2+in+Vicon+Nexus#CGM2AdditionalInfo)).
- In Nexus, all CGM2 pipeline operations are now displayed in their own section in the **Available Operations** list in the** Pipeline Tools **pane.

For information on the updates made by Dr Fabien Leboeuf (University of Salford) to the Conventional Gait Model 2 (CGM2) that is included with Nexus, see the [pyCGM2 changelog](https://pycgm2.netlify.app/changelog/).