This is a cross-post of matplotlib/matplotlib#11986 as requested in that issue - this issue also applies if I use jupyter-matplotlib I am making use of the NbAgg backend to implement data viewers for ...

I want to adjust the fontsize of the legend title to fit the content of my image. I tried to use 'prop' and 'fontsize', but they can only adjust the font of the legend. I know that I can make my ...