A copper area will no longer fill when inside the rectangular region of an imported image. This was not the case the last time I edited a PCB layout in September 2018. Here is an example of what I mean.
![Screen Shot 2019-02-21 at 11.15.30 AM.png](//image.easyeda.com/pullimage/6TUaGT6OVDfEzVQB3NITMybzLXzhRi46xct73PHA.png)
Chrome
72.0.3626.109
OS X
10_11_6
EasyEDA
5.9.42