Some modern VST3s (like iZotope Ozone 11) are too new for Ease 4.4. Run plugins in "Dedicated Process Mode." Go to Plugin Manager > Right-click plugin > Run in separate process .
Ease 4.4 requires Microsoft Visual C++ Redistributable 2015-2022. Download the latest "All-in-One" VC++ package from Microsoft. For Mac, ensure XQuartz is installed. Ease 4.4 Download
sha256sum ease-4.4-linux-amd64.tar.gz