3 ms·

I think you may be experiencing the addon updating itself. It has to restart when this happens. I admit I've lost my tree once or twice, but again not for a wh

• catalogia 7y ago
  Maybe, but I don't think so. It tends to happen when I'm interacting with it, often dragging subtrees around. It might be coincidental, but it sure seems to me like there are lots of unstable edgecases.
• unqueued 7y ago
  I tried it recently and it was buggier and slower than in 2011. It's pretty heartbreaking for me, I don't want to do it. I heard that it wasn't going to be possible to do tree style tabs, but Mozilla hacked it enough so that it would work, and convinced the original author to re-implement it. It feels like a hack. This is not progress.