Usually when you collide with a block, the player stop or at least keep walking against it and slightly "slide" in the direction of the aim. This is the case also with the Anvil, but only on the short sides of it. Because when you walk against it on the long sides, you start vibrating and you wont "slide" to the sides as you do walking against other blocks. You get stuck. But you can back off from it, but not press yourself by it and go around it.
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fuj1n
migrated
Don't really know if it's a problem with the collision box, but I would guess so😛 Though I found someone who had the same problem ( MC-1669 ).
CubeTheThird
Duplicate of MC-1669. Please check before posting in the future.
migrated
Yes I'm sorry, sometimes you just need to be fast and publish to not forget it x) I was to remove it, but got some interest by Arthur here so didn't😛 But now I will!
migrated
And why is there no way to remove it? :S then I get why you really want people to know if there's any else with the same issue.. Could say that before people do, cause they tend to.
Seems like you go slightly inside of an anvil, so problem with collision box, confirmed!