Documents with the “Regressed” Status

This list contains site compatibility issues unintentionally introduced and later discovered. One or more sites were broken and therefore those regressions were fixed with a subsequent Firefox release. Note that some issues are not documented yet.

Firefox 56

Firefox 55

Firefox 54

Firefox 53

Firefox 52

Firefox 50

Firefox 49

Firefox 48

Firefox 46

Firefox 45

Firefox 44

Firefox 43

Firefox 42

Firefox 41

Firefox 40

Firefox 39

Firefox 38

Firefox 37

Firefox 36

Firefox 35

Firefox 33

Firefox 32

Firefox 31

Firefox 30

Firefox 29

Firefox 28

Firefox 23

Firefox 22

Firefox 21

Firefox 19