I haven't been playing enough 1.4.5 to notice, but I'll keep my eye out.
It doesn't seem to be related to any one block, I was walking in a plains biome once and a block of stone appeared for a second just like the log. I'm pretty sure I've seen it happen one or two other times, but I don't remember exactly how. I'm going to see if I can get it to appear more often and try it on different video settings.
MC-2004
I haven't been playing enough 1.4.5 to notice, but I'll keep my eye out.
It doesn't seem to be related to any one block, I was walking in a plains biome once and a block of stone appeared for a second just like the log. I'm pretty sure I've seen it happen one or two other times, but I don't remember exactly how. I'm going to see if I can get it to appear more often and try it on different video settings.