On restart of Opera, the process locks up for around 45 minutes before it is
actually accessable.
I've enjoyed using Opera on MS Windows as my primary browser for well over a decade.
I have the lazy loading option on. Admittedly, I have a great number of active tabs in my session. However, maybe in the past 6 months, restarting Opera to active status takes an inordinate amount of time. This is not how it used to be. Now it takes 45 minutes from when the windows are displayed until I can access them! For instance, it is 45 minutes before hovering over the close 'X' in the upper right corner so it turns red.
I've also had issues with the system locking up where the system clock widget actually stops for a few seconds to even minutes, but haven't experienced that of late so that is not related.
In the Task Manager there was an "efficiency mode" icon associated with the Opera process. I worked around this by adding an option to the Opera executable: "--disable-features=UseEcoQoSForBackgroundProcess". Regardless efficient mode or not, the "long time to restart" issue still persists.
You can understand that this issue has become untenable. I can't wait 45 minutes every time I have to restart Opera because of a hang, application crash, reclaiming memory, or OS restart. Maybe there is some action I can perform to alliviate this Opera hang? I want to continue to use the product because of its features, as double-click word/phase then Search. But what I'm really not wanting to create a clean session as I have way too many things I'm working on.
Please, any insights to fix this hang much appreciated!
Here are example screenshots with commentary:
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Here is computer stats before restart:

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Quiting Opera:

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Sometimes one Opera process remains:


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After killing rogue Opera process:

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Restart Opera (with the --disable-features=UseEcoQoSForBackgroundProcess option:


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Opera locked up after 12 minutes:

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Opera still locked up after 30 minutes; note memory virtually unchanged:

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Opera unlocked at 37 minutes ('X' turns red => can finally access Opera

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Opera at 42 minutes finally reloads active pages and returns Opera memory to nominal:

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