CrankWheel now supports use of peer-to-peer connections for many more versions of Mozilla Firefox, both desktop and mobile. Also, Edge based on Chromium is now supported for P2P. Safari 13 remains unsupported (whereas Safari 12 works well) but we are working on it.
Our Salesforce integration has been improved to allow custom mapping of any Instant Demo field, including pre-populated fields that are never shown to the prospect, to any field in Salesforce. Talk to our support team if you need custom mappings.