I think I've seen some ex-Googler rant from few years back that performances are measured by impacts, excitements, endorsements rather than objective engineering measures, which he claims overvalues destructive product launches and undervalues necessary maintenance or improvements. I long lost the pointer to the rant but that has been very consistent with my user side experiences.

This change destructs obsolete QR Code reading feature[that needed no change], is impactful[in negative sense], and fixes erroneous URLs[as if there are many]. If you drop negative expressions in brackets it fits a lot of bills.