Hi,
I have PCB with NPTH/Multilayer regions,. When I try export to PDF I found that this regions filled! In previous version this regions exported correct i.e. empty, not filled
![pcb export npth bug.png](//image.easyeda.com/pullimage/WmO8YGG0xbdQWPXOPOPtx1P87IBiN5C64UbuG9tb.png)