I have same issue. After force close app or reboot my phone I need wait quite long to get my password on login form on every website. This happens on every new page, not only on first.
Redmi Note 7 MIUI 10.3.6 Android 9

@miyukiwork I can confirm, it works perfectly! Thank you guys.

Bump. Same problem on amazon.pl. Looks like the problem seems to affect on large e-commerce sites.

By the way, I have a new notebook and a new system, and the problem still occurs

Every time I visit https://allegro.pl/ one of the opera process takes 100% of the cpu. Closing the Allegro tab does not help. I have to wait a few minutes or restart Opera

@miyukiwork I can confirm, it works perfectly! Thank you guys.

I have same issue. After force close app or reboot my phone I need wait quite long to get my password on login form on every website. This happens on every new page, not only on first.
Redmi Note 7 MIUI 10.3.6 Android 9