What's new: https://github.com/MeridianOXC/OpenXcom/commits/oxce-plus
Release notes: https://openxcom.org/forum/index.php?topic=6586.msg174750#msg174750
Official for x86 MacOS 10.15: https://openxcom.org/forum/index.php/topic,5258.0.html
Note: sign app in Terminal
sudo xattr -cr /Applications/openxcom.app
codesign --force --deep --sign - /Applications/openxcom.app