am f59dfc81: am 73365695: Merge "Improve multi-user broadcasts." into jb-mr1-dev

* commit 'f59dfc81f4d1e91aa436ed70d7f8372bce3d91e0':
  Improve multi-user broadcasts.
tree: 4529e4ef43a43a9613662d5cb520573a9963fe11
  1. core/
  2. services/