cent version of Open3D has a serious performance regression which causes severe slowdown during visualization.
This regression is on versions 0.10 and 0.11 of Open3D. Regression details: <a class="reference external" href="https://github.com/intel-isl/Open3D/pull/2523">Link</a> , <a class="reference external" href="https://github.com/intel-isl/Open3D/issues/2472">Issue1</a> , <a class="reference external" href="https://github.com/intel-isl/Open3D/issues/2157">Issue2</a>.
I recommend that you stick with 0.9.