message: make sure we're at the bottom, although that seems to always be the case in this branch?
diff: @@ -215,7 +215,9 @@ module.exports = React.createClass({
  // this might cause the scrollbar to resize in case the max-height was not correct
  // but that's better than ending up with a lot of whitespace at the bottom of the timeline.
  // we need to above check because when showing the typing notifs, an onScroll event is also triggered
  + if (!this.isAtBottom()) {
  this.clearBlockShrinking();
  + }
  this._saveScrollState();
  } else {
  