If you’ve ever wondered why some sorts quietly reshuffle equal items and others don’t, this kirupa article breaks down stability without turning it into a math lecture.
Handy read if you care about preserving order when sorting by more than one field.
Stability is one of those “sounds academic” things until you do a two-step sort like last name then first name and the ties quietly get scrambled.
I’ve seen it show up as a list that jitters between refreshes even though nothing “changed,” and people immediately stop trusting the UI.
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