Hi,

I was using \setuppagenumbering[alternative=doublesided] to get double sided pages.

After doing that I noticed a thin white line on the right side.

Here is a Minimal Working Example:

ConTeXt ver: 2023.09.26 18:19 LMTX

\setupbackgrounds[page][background=color,backgroundcolor=black]
\setuppagenumbering[alternative=doublesided]

\starttext
a
\stoptext