KiCAD Silently Resets all Net Class Memberships

[Joan_Sparky]

Sounds serious.
I didn’t see a topic like that yet. Last one about clearances and netclasses was this one, started about 1-2 weeks ago:

Pad/track clearances via hierarchy global/footprint/local or just by Net?

Hello I am using Kicad 4.0.4 to design my board, but recently I encountered a problem which causes me trouble. As far as I understand the mask and net-to-pad clearances follow this hierarchy (“strongest” rule first): Local pad clearances Local footprint clearances Global net class clearances At least, this works perfectly with the solder mask clearances, BUT when I try to override the global net class rules (the default one), by setting a footprint or pad rule, nothing changes. The rules in…

Do you guys switch between OpenGL and Legacy canvases?