shift on matrix: news and improve error

[jangorecki]

closes #5287

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (6bde008) 97.46% compared to head (2592ad0) 99.51%.

❗ Current head 2592ad0 differs from pull request most recent head cafb272. Consider uploading reports for the commit cafb272 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5462      +/-   ##
==========================================
+ Coverage   97.46%   99.51%   +2.04%     
==========================================
  Files          80       80              
  Lines       14820    14770      -50     
==========================================
+ Hits        14445    14698     +253     
+ Misses        375       72     -303     

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[ben-schwen]

LGTM