 
       shownDiscussions = discussions.d0 ? discussions.d100 ? discussions.d1000 ? discussions.other ? []
 
-      @cache.nearbyDiscussions =
+      @nearbyDiscussionsCache =
+        beatmap: @props.currentBeatmap
         timestamp: @state.timestamp
         discussions: _.sortBy shownDiscussions, 'timestamp'
 
-    @cache.nearbyDiscussions.discussions
+    @nearbyDiscussionsCache.discussions
 
 
   onFocus: =>

  componentDidMount: =>
    $(window).on 'throttled-resize.new-discussion', @setTop
    @inputBox?.focus() if @props.autoFocus


  componentWillUpdate: =>
    @cache = {}


  componentWillUnmount: =>

  nearbyDiscussions: =>
    return [] if !@state.timestamp? || @props.mode != 'timeline'

    if @nearbyDiscussionsCache? && (@nearbyDiscussionsCache.beatmap != @props.currentBeatmap || @nearbyDiscussionsCache.timestamp != @state.timestamp)
      @nearbyDiscussionsCache = null

    if !@nearbyDiscussionsCache?
      discussions = {}

      for discussion in @props.currentDiscussions.timelineAllUsers
