Not so good. But it's not as bad as it sounds in that that's over several decades.Wow, chaotic. What is the compatibility among these?
Seems nearly as bad as mac power cable connectors
Here's a chart from ten or so years ago.
Salomon boot & binding compatibility
Salomon's new high-end boots feature the RS17 outsole: the front pin that is now 17 mm behind the front of the boot instead of the 10 mm (RS10) of past years. How does this affect people with older boots and older bindings?
nordicskiracer.com
Not also, there were other norms beyond Salomon's - particularly NNN which is very popular.