The Treemap visuals do not seem to work for me in the August preview of Power BI Desktop optimized for Report Server. When I create a new Treenap visual and drag a field onto it, it just displays...
AdamF
Helper I
Helper IHi v-qiuyu-msft, that was on a table with 6 rows. Other visuals load instantaneously. I have restarted and retried but still get the same issue.
I have the non-RS August version of Power BI Desktop installed side-by-side, and the treemaps work fine for me there.