[quitit]

If one chooses "Always" under the "Show scroll bars" option on the Appearance System Settings panel. They will be rewarded with thick*, always-on scroll bars that do not disappear.

*They're the same thickness as Aqua.

[oneeyedpigeon]

Sadly, this doesn't restore the 'resize box', you just get scrollbars ending in a weird curve.

[quitit]

Yes, the scroll bars settings affects the scroll bars.

[Lammy]

They are still very low-contrast compared to what was.

[quitit]

The scroll bars for those curious: https://imgur.com/a/uhVO8IA