Merge Opera and Opera GX features and make it optional because both have good and bad features.
This must be ultimate suggestion.
I don't know why you can't present all different features and make it optional, so people can make their own Opera build by enabling, disabling or changing the features. Is it impossible?
For example, Opera is very good for switching between tabs with "Ctrl+Tab" shortcut; but Opera GX is so bad about it, you can't switch fast, it always shows previews of all tabs and make you select one before switching to that page.
Opera GX has very good built-in features like limiting internet and hardware use or integrated Twitch, Discord, Spotify, Apple Music etc. widgets but Opera is lacking all of them. Also Opera GX has better flexibility and customization options when it comes to making your own themes but standard Opera is being stiff about it.
Conclusion: I really liked Opera GX and it's features but I absolutely hated the "slow switching tabs" feature that keep showing small previews; only because of that I'm using regular Opera.
Is it really impossible to merge two Opera into one and make people choose their own features?