Below PRs should be CPed into 1.13.1 release. - https://github.com/tensorflow/tensorboard/pull/1898 - https://github.com/tensorflow/tensorboard/pull/1900 - https://github.com/tensorflow/tensorboard/pull/1914 - https://github.com/tensorflow/tensorboard/pull/1922 - https://github.com/tensorflow/tensorboard/pull/1945
