---
title: "Release notes for Shogun Live 1.21"
canonical: "https://help.vicon.com/space/ShogunLive121/1253212353/Release%20notes%20for%20Shogun%20Live%201.21"
format: markdown
---
The release of Shogun Live 1.21 provides improvements to camera calibration so that residual values are lower, compared with residual values from the updated camera calibrator introduced in Shogun 1.17. 

For information on requirements for installing and running Shogun Live, see [PC requirements for Vicon Shogun Live](https://vicon-help.atlassian.net/wiki/spaces/ShogunLive121/pages/1253212403) in *Installing and licensing Vicon Shogun Live*.

For detailed information on PC requirements, visit the [PC specifications](https://help.vicon.com/space/PCSPEC/8585218/Vicon+PC+specifications) page on the Vicon website or contact [Vicon Support](mailto:support@vicon.com).

The following topics describe changes made in this release of Shogun Live.

> Macro (toc)

## What's new in Shogun Live 1.21

No new features have been added to Shogun Live with the release of 1.21.

## Improvements in Shogun Live 1.21

The following improvement has been made to Vicon Shogun Live.

### Reduced camera calibration residual values

As part of our ongoing commitment to calibrator improvement, residual values are lower, compared with residual values from the updated camera calibrator introduced in Shogun 1.17.

For information on calibrating your Vicon Shogun Live system, see [Calibrate cameras](https://vicon-help.atlassian.net/wiki/spaces/ShogunLive121/pages/1253212193) in *Getting started with Vicon Shogun Live*.

## Addressed issues in Shogun Live 1.21

These issues are addressed in Shogun Live 1.21:

- Cameras are not highlighted in the System tree (to show that they’re selected) after you click **Vicon Cameras**.
- If the default folder location for Calibration Objects is changed, Shogun Live freezes for 20–40 seconds when you click the **Data Capture** button.
- When you double-click a camera in the 3D View to open a mini-viewport, the zoom and pan controls do not work.
- Docked panel tabs disappear when loading a view configuration.