I am very honored and proud that K2 decided to welcome me into the K2 Insider program.
Blog covering various SharePoint and K2 topics and development
Just another reason why you would get an Access Denied message back from K2 Workspace when you accessed View Flow.
Debugging of K2 SmartForms is either possible on demand (using a query string parameter in the URL) or persistent in the web.config.
K2 Designer Caching (and therefore the caching of K2 SmartForms) can be cleared on demand. This Article describes how to clear the cache in K2 Designer (for K2 SmartForms).
SharePoint solutions from Roxority are not available anymore, afaik.
If you ever wanted to mark mandatory (or required) input fields in a K2 SmartForm, this can be easily achieved with Conditional Styles.
If you plan to upgrade, repair or reconfigure your K2 blackpearl installation, unattended or silent installation is a good option.
If you want to show or hide K2 SmartForms Elements depending of the Process Permissions a user has, this is quite easy. This article describes hwo to control visibilty of SmartForms Elements with K2...
It is pretty simple (and convenient at the same time) to integrate custom code to K2 blackpearl as Endpoints Assemblies.