I did the thermal commit you mentioned and I have my first valid (non-nan) values in the temperature-temperature.rrd file since then. But no menu item for graph in Luci.
@Jirka Yes, many packages in OpenWRT / TurrisOS are really old 
I did the thermal commit you mentioned and I have my first valid (non-nan) values in the temperature-temperature.rrd file since then. But no menu item for graph in Luci.
@Jirka Yes, many packages in OpenWRT / TurrisOS are really old