Vivaldi on ubuntu An issue where a transparent window that cannot be erased is created on the Desktop

phenomenon

When you start the upgraded version of Vivaldi, a transparent window that cannot be erased without killing is generated.

environment

• Vivaldi：Debian 20.4.2066.76
• ubuntu 16.04LTS (18.04 seems to be the same)

Cause

Malfunction of GPU acceleration function

Workaround

Start with the following options $ vivaldi --disable-gpu