Public Beta Fix for Mac OS 10.14/10.15 versions available now to download
PCM Native Reverb Version 1.3.9 - https://help.harmanpro.com/pcm-native-reverb-installer-for-mac
PCM Native Effects Version 1.2.9 - https://help.harmanpro.com/pcm-native-effects-bundle-installer-for-mac
This does not include official Big Sur compatibility but that is coming (customers have reported it working with Big Sur as of now)
The fix for the Mac OS 10.14/10.15 LXP Native Reverb Bundle is available to download here:
LXP Native Reverb Bundle 1.2.3 - https://help.harmanpro.com/lxp-native-reverb-bundle-installer-for-mac
We will have the site updated with this version but for now you can download here.
Reports have come back from several customers that it works fine with Big Sur, but we did not test for official compatibility