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Fuzz all screenshot comparisons to cut diff noise - #3
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git-diff-image's compare step only defaults to 5% fuzz for JPEGs; PNG screenshots (what GitX's UI tests produce) got 0% fuzz, so harmless per-run rendering noise showed up as a diff just as loudly as a real regression.
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Add GIT_DIFF_IMAGE_FUZZ env var to fuzz all image comparisons refs: hannesa2/git-diff-image#2 refs: hannesa2/screenShotScript#3
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git-diff-image's compare step only defaults to 5% fuzz for JPEGs; PNG screenshots (what GitX's UI tests produce) got 0% fuzz, so harmless per-run rendering noise showed up as a diff just as loudly as a real regression.