This update for opera fixes the following issues:
Update to version 70.0.3728.133
DNA-88238 [macOS 10.15] Toolbar buttons not visible on inactive tab
CVE-2020-6542, CVE-2020-6543, CVE-2020-6544, CVE-2020-6545, CVE-2020-6546, CVE-2020-6547, CVE-2020-6548, CVE-2020-6549, CVE-2020-6550, CVE-2020-6551, CVE-2020-6552, CVE-2020-6553, CVE-2020-6554, CVE-2020-6555
Update to version 70.0.3728.119
DNA-88014 [Mac] Toolbar in fullscreen disabled after using fullscreen from videoplayer