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https://issues.apache.org/jira/browse/SPARK-35310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17384491#comment-17384491
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Sean R. Owen commented on SPARK-35310:
--------------------------------------

FWIW it's easy to work around the compile error, I did that.
However a few MLlib tests fail on even breeze 1.1, like the weighted least 
squares ones. The answers are fairly different.
I looked through the breeze changes and there are optimizer changes but nothing 
super big. It could be a problem in Spark. 
I don't know if I can fix it but will look.

> Bump Breeze from 1.0 to 1.2
> ---------------------------
>
>                 Key: SPARK-35310
>                 URL: https://issues.apache.org/jira/browse/SPARK-35310
>             Project: Spark
>          Issue Type: Dependency upgrade
>          Components: ML, MLlib
>    Affects Versions: 3.2.0
>            Reporter: Cheng Pan
>            Priority: Minor
>
> Breeze 1.1 release notes
> [https://groups.google.com/g/scala-breeze/c/PwGpObQNE8Q]
> Breeze 1.2 release notes
> [https://groups.google.com/g/scala-breeze/c/u5Ge52B36u0]
>  



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