# Version-1.21.0

Release Date : 12/21/2022

### Updates

- Bug fixes (background substraction, installers...)
- New version of Add Intensities Multiple Experiments (former Add Intensities), easier to understand and use
- New version of Add Intensities Single Experiment (former Image Merger), easier to understand and use
- New module added to MuscleX: X-Ray Viewer, able to view images and h5 files easily, display a slice, a box, and play the file
- Double Zoom function added to all modules with calibration, and working with all buttons
- Documentation update

```eval_rst
.. note:: Version tested on Python 3.8 - on Ubuntu 20.04 and 22.04, macOS 12.6, Windows 10 and Windows 11.
```