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...
Blog covering various SharePoint and K2 topics and development
It is pretty simple (and convenient at the same time) to integrate custom code to K2 blackpearl as Endpoints Assemblies.
The product group released the May 2015 Cumulative Update for the SharePoint 2013 product family. For May 2015 CU we have full server packages (also known as Uber packages). No other CU is required...
The official K2 Naming Conventions Document is a good start before your K2 development projects 🙂
Add Images to K2 SmartForms RTE (Rich Text Editor)
Create K2 SmartObject from any SQL Database walkthrough.
How to add a button to a SharePoint Application Page that opens a Modal Dialog Box for creating a new List Item.
K2 Blackpearl InfoPath Client Event displays “No actions are available for this task”.