>>106159069
Go to 4chanX settings
You will be automatically on Main Page, in Miscellaneous section at the end, you will see
>Scroll Markers
above Linkification Section, check it

But first you have to activate
>Highlight Posts Quoting You
>Highlight Own Posts
on Quote Links section at the bottom of main page

Then refresh page, tip: use Ctrl+F, to search for terms.

Also For QR, you will probably have to disable "Tether QR to Sidebar" on OneeChan Quick Reply Section, for me I have the sidebar disabled.