The 1.9 minor series tracks TensorFlow 1.9.

- Improved performance with log directories on GCS (Google Cloud Storage) with

faster traversal time and reduced bandwidth consumption (PRs #1087, #1226)

- Profile dashboard improvements, including:

- New memory viewer tool that visualizes peak memory usage (#1223)

- Trace viewer tool now supports streaming mode, that dynamically renders a

much longer trace (#1128)

- Op profile tool now shows memory utilization in op details card (#1238)

- Profile dashboard now supports visualizing data from multiple hosts (#1117)

- Graph dashboard now allows searching nodes by regex (#1130)

- New --samples_per_plugin flag to control how many samples are kept (#1138)

- Better error when --logdir/--db flag is omitted (#1189) - thanks @oxinabox

- Debugger plugin can now show single elements of string tensors (#1131)

- #1107 - Beholder plugin should no longer reserve GPU (PR #1114)

- #1190 - Beholder plugin summary placeholder no longer interferes with normal

summary use and/or Estimator - thanks @TanUkkii007 (PR #1148)

- #427 and #588 - removed pip package deps on bleach and html5lib (PR #1142)

- #1191 - fixed debugger plugin UnboundLocalError - thanks @cfroehli

- #1200 - fixed debugger plugin binary-valued string tensor issues

- #1201 - fixed "dictionary changed size" race condition in reloader (PR #1235)