Is version compatability symetric

[Nick Chalko]

Does
v1.isCompatible(v2)  imply
v2.isCompatible(v1)
?
In other words  if
1.2.3 is compatible with 1.2.4   then is 1.2.4 compatible with 1.2.3 ?

My instinct is no.

R,
Nick

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