Problem Statement -: Incoming messages are not autoloaded on Converse Desk and Message Flow user interface. 


Root Cause -

Summer '18 release has a known bug because of which streaming API doesn't work with visual-force pages when critical update "Remove Instance Names From URLs for Visualforce, Community Builder, Site.com Studio, and Content Files" is enabled.


Solution -

We are working with salesforce on a permanent fix. In the meantime, salesforce has recommended that customers facing this issue should deactivate the critical update "Remove Instance Names From URLs for Visualforce, Community Builder, Site.com Studio, and Content Files".