Same problem, I get it when:
a. DevTools is already open
b. I click the F12 key
Browser closes and then reopens.
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Same problem, I get it when:
a. DevTools is already open
b. I click the F12 key
Browser closes and then reopens.
This bug is now making Opera unusable for development purposes.
I've now given up waiting for a patch and have reinstalled a December 2024 version of Opera instead, over the current version.
I went to this version: https://get.opera.com/ftp/pub/opera_gx/115.0.5322.113/win/
DevTools is now working OK.