Thanks for the suggestion. Beause of your reply I finally decided to dig deep on my own and tried a few things including your suggestion. Ultimately a simple thing suggested by the person Walter Scott in an earlier blog related to Big Sur helped in getting the new release to work on my mac.https://discourse.paraview.org/t/paraview-5-8-x-macos-big-sur-freezes-on-any-action-after-opening/6283/13