Derek Reiff, writing on The Omni Blog:
Recently customers have been wanting to take advantage of automation apps like Workflow, Drafts, Pythonista, and others to quickly add new actions or projects or switch to different views inside OmniFocus.
With 2.14, OmniFocus now includes best-of-class support for callback URLs. At its simplest, this means that you can create a workflow that adds more than one item to OmniFocus. But we didn’t just add support for two-way communication between OmniFocus and other apps, we added support for automating a whole lot more of the powerful capabilities of OmniFocus.
Ken goes into the nitty gritty in a detailed Discourse post. But aside from doing the usual name and note additions, you can add estimates, attachments, dates, repetition rules, flags, and even set a project to Parallel.
While I won't be switching away from 2Do, I've tried the beta of OmniFocus 2.14 and the new automation features on iOS are impressive. I think a lot of people are going to reconsider OmniFocus and take advantage of callbacks for app integrations.
The examples posted by Ken Case on the forums should give you an idea of the improved capabilities. It's no surprise that The Omni Group continues to redefine what making pro apps on iOS means.
It's also great to see TaskPaper being used as a structured text communication format – I'd like to see more developers follow this route.