I would like to suggest a product modification to the forms/picklist values in Marketo. I made a critical update in a picklist in Salesforce and expected that to auto-populate on any forms where that field is referenced. That did not happen.
In order for the picklist to update you have to go in and remove the field and re-add it to the form, creating a ton of duplicate work. Here's some more material where it's outlined: https://nation.marketo.com/blogs/marketowhisperer/2016/03/28/using-a-sfdc-picklist-field-in-a-marketo-form