From the help, to enable symbol levels I should tick "Enable symbol levels":
but there is none in my QGIS (3.20.2-Odense):
How do I enable it, I need to draw my red symbol on top of the green? I'm using rule based symbols.
From the help, to enable symbol levels I should tick "Enable symbol levels":
but there is none in my QGIS (3.20.2-Odense):
How do I enable it, I need to draw my red symbol on top of the green? I'm using rule based symbols.
It is not possible to set Symbol Levels with Rule-based symbols. To have what you are looking for you must be in "categorized" mode.
Change rule set to categorized in symbology option: