# Version History

### v1.5.2
published on Aug 28, 2023.

**able to add moving planets**

### v1.5.3
published on Sep 8, 2023.

**normalization of psfs**

**Users can now set the number of cores to use for parallel computing**

**feature allow user to ignore dust inside IWA**

**show the planet brightness unit**

**print planet brightness and dust brightness**

**turn on/off dust inside IWA**

**auto check multithreading module before using it in psf.py**

### v1.5.4
published on Sep 12, 2023.

**flip or not flip y-axis**

**you could choose lyot_mask_size in toycoronagraph_para.py**

**check planet order inputs are positive integers**

### v1.6.0
published on Sep 14, 2023.

**core_throughput plot**

**video of planet moving**

**optimate the parameter number**

### v1.6.1
published on Sep 15, 2023.

**complete python docstrings for all new features**