Appears to be a known issue that’s not yet addressed w/ 1.34.1.2590 / 1.34.1.2601
From Plex for Mac/Windows 1.34.1 Test Builds
Scrollbars Visible on Mac
This version does nothing to alleviate the scrollbars visible on the Mac. It is currently intended only to see if we can safely re-enable Chromium’s GPU acceleration.
