Unlike previous versions, blazes will not swim up lava if placed in it.
Linked issues
duplicates 1
Comments 2
Sorry about that, I tried searching using tags like "lava" and "blaze," but I guess I didn't see any reports that looked relevant. I tried sorting by version a few times before submitting this as well, but that didn't help either.
Duplicate of MC-49937 - If you have not, please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.