3 ms·The keyword here is appear, but in reality it wasn't a non-breaking change.by kleiba 6y agoThe keyword here is appear, but in reality it wasn't a non-breaking change.XelNika 6y agoBut if you write defensively, like the post suggests, you won't be surprised by bad library writers.kleiba 6y agoThat is good advice, but my original stance holds: it is not a specificity of callbacks per se that is the problem here.