R15ß6 : Fusion : Stops updating main Viewer

My earlier confusion with Fusion seems to a more generic bug in which the mechanism that updates the MAIN VIEWERS stops working.
In the Attachments
+) MediaIn should be displayed on the LEFT view - it is not.
+) I have taken screenshots at two different Timecodes - to demonstrated that the MediaOut is also not being updated.
MISC :
+) Reloading the TIMELINE does not fix this.
+) Purging the FUSION cache does not fix this.
+) RESTARTING Resolve Does fix this issue.
AJ
In the Attachments
+) MediaIn should be displayed on the LEFT view - it is not.
+) I have taken screenshots at two different Timecodes - to demonstrated that the MediaOut is also not being updated.
MISC :
+) Reloading the TIMELINE does not fix this.
+) Purging the FUSION cache does not fix this.
+) RESTARTING Resolve Does fix this issue.
AJ