When I have 2 panels side by side and I enable "synchron folder changes" there is no any way to know if they are linked or not. There are not any visible icon or mark to know that. Moreover, that kind of "synchronization" is not available on menu bar. I needed to add to "Tool bar" to access it. Please, this feature should be improved. Thank you
Settings->Configure Krusader->Panel->Buttons->"Toggle-Button for sync-browsing"?
Ok, that's valid. Thank you. Anyway, is a pity that functionality is so "hidden". IMHO it should available on "Menu bar" too ... ;)