This sounds like an audio problem and unfortunately that points to issues with your plugin. The reported issues don’t correspond to any known bugs in 2.03 or appear in my tests.
To troubleshoot this further, step one is to make sure that you have absolutely, positively done all of the upgrade steps in the upgrade guide since your app was previously using 1.7:
Step two is to make absolutely sure that you are using the most recent version of every framework, but especially OpenEars which had an update a few days ago (where to find and subscribe to changelogs: https://www.politepix.com/openears/changelog)
If that doesn’t fix the issues you’re seeing, you can create a replication case for me using the sample app:
and I’ll take a look at it.