Am I the only one that finds pinning extremely buggy? I try it every year or two and always have the same result: pinned tabs work great at first, but eventual

Am I the only one that finds pinning extremely buggy? I try it every year or two and always have the same result: pinned tabs work great at first, but eventually enter a state where tabs cannot be completely unpinned. Unpinning and restarting my browser brings them right back in pinned state, and it seems like nothing I do short of reinstalling my browser profile corrects this. I've seen this happen on multiple machines, so I feel like it can't just be me.