Github user markhamstra commented on the pull request:
https://github.com/apache/spark/pull/940#issuecomment-44889156
We shouldn't, so I think we maintain source compatibility without any
trouble. Are the MIMA checks good enough to catch binary incompatibility when
we make significant changes to library dependencies? Not that I am asserting
that this Breeze change is particularly significant, since I haven't look at
the diff from 0.7. I'm more interested in the general case of what needs to be
checked or done when we want to update dependencies while staying within the
bounds of 1.x.
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