Axis-wide `mark` setting causes inconsistency between legend and plot

[schtandard]

When using a cycle list that does not set mark and setting it in the axis option, the marker appears in the legend but not in the plot.

\documentclass{article}

\usepackage{pgfplots}
\pgfplotsset{compat=1.18}

\begin{document}

\begin{tikzpicture}
  \begin{axis} [
        cycle list name=color list,
        mark=o,
      ]
    \addplot+ {x^2};
    \addlegendentry{test}
  \end{axis}
\end{tikzpicture}

\end{document}

Setting mark in every axis plot instead works.

I'm not sure what is the intended behavior here (I would have expected the axis-wide setting to work, as the cycle list should not override it, but maybe that's not what's supposed to happen) but the inconsistency with the legend surely isn't it.