I have tried to switch the design rules of some nets, but they don't update their widths on the board. I have even tried deleting design rules to the point that all nets are set to default, but there is no change. I noticed someone reported this 10 months ago, but there was no response, and no solution.
At this point, I don't know exactly how to reproduce the problem, unfortunately. All I know is that when I do have the problem, there doesn't seem to be a way to fix it.
Chrome
84.0.4147.135
Windows
10
EasyEDA
6.4.5