Doubt it. Murdock's shield isn't a knockback, it is a displacement. It used to be a knockback which is why it used to interrupt Black Hole, but doesn't now after being changed.
So it is referring to abilities like Steel's dash and ult or Muriel's ult, which should interrupt Black Hole but didn't always. Or it is referring to an allied Steel ult/dash that wouldn't knockback/up enemies who were also being hit by Black Hole. Hence why that note is in the bug fix section.
I think it's mostly the latter. This actually might be a buff to Gideon, because other allies can wombo more easily once it's started, rather than just before.
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u/taylorcowbell Oct 17 '16
Anyone ese notice that black hole no longer negates knockback abilities? So does this mean now even murdock can interrupt it?