I use the following option:
in order to get my Map canvas from QGIS straight to PNG format.
The problem is, that default images aren't as big as I would like to have.
I found some similar issue here:
although I know how to change the resolution of my image.
The problem is, that it goes back to the default every time when I use this option.
Is there an option to make my value of DPI fixed? I tried to check it in Settings, but I couldn't find stuff, that would match it.