The problem is with the version 103.
Older version works ok - Opera One (version: 102.0.4880.78) (arm64).
Posts made by sk0rp
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Opera for MacRE: 100% usage of CPU on a fresh install on macOS 13.6
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Opera for Mac100% usage of CPU on a fresh install on macOS 13.6
The browser react very slowly, load content slowly and new opened tabs get 100% CPU usage for something like 30s.
I have uninstalled the browser, removed all files from /Library and Cache but I still encounter this issue.