On our 30.0.0 release, a new functionality of accessing a draft from an effective document is now available. When upversioning a document, a new draft is created in the account. A step further from that, these drafts can be marked 'approved' while the original document is still effective. Users can easily access the new, draft version or approved version of the document by clicking the hyperlink in the yellow banner, shown below.
Accessing a new draft version of a document from the effective document