User blog comment:Kirkburn/Technical Update: April 1, 2014/@comment-303594-20140401160842

From last week's Thread:
 * Not showing the last few messages on joining is an unintentional change, and is being investigated. (Kirkburn)

There's also an issue with chat PMs, apparently the first one is not (or at least sometimes not) getting through. Any status on this.

Thanks as always!