@Nosferattus: For future reference, please use the feature request form (linked from the top of the task creation page) to create feature requests. Thanks.

A better option here would be the ability to hide the legend, however many things it contains.

We used to have a showLegend option, but this option has been removed in the course of T376656.

Well, I'm not really picky about whether there is a showLegend option or the legend is just removed by default for single series charts. I support whatever option is the easiest and quickest to implement.

I don't think it's a good idea to hide functionality from users. The developers really have to give users this functionality and trust that they're going to misuse it.

Of course, there will be misuse. This is Wikipedia. Wikipedia users are going to think that all sorts of bizarre charts are good ideas, and add them to articles, then scream "vandalism!" when they are removed for being utter garbage. But anyway, that's the job of the Wikipedia community to fix. You just need to concentrate on giving them the functionality.

There is currently an undocumented but simple workaround to hide the legend. See
https://commons.wikimedia.org/wiki/Data_talk:Percentage-share_of_renewables_on_the_gross_final_energy_consumption_in_the_European_Union_since_2004.chart#c-Prototyperspective-20250606121300-%22y1%22