Just to add… This thread may be of interest… There are many gotchas to using WP / Streaming. Doing a title search on World-Partition / Level-Streaming should bring up some of these (got 100’s bookmarked). Some only apply to Multiplayer, others are more quirks. But its worth building test levels before assuming too much. Basically try to avoid WP / WC / Streaming / Landscapes if you can find other ways. 
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