Systems and methods for providing a collaborative document environment

Non-transitory computer-readable media having recorded thereon instructions, that when executed by one or more computer processors, perform operations comprising:

• determining that a host application receives an action regarding a document, wherein the action comprises a user change made to the document via the host application;
• adding the action regarding the document to a unified stack that is associated with undo commands and is shared between the host application and a secondary application, wherein at least a portion of the document is editable via the first host application and the secondary application;
• receiving an undo command from the secondary application;
• and
• retrieving the undo command from the unified stack to cause the user change made to the document via the host application to be undone in the secondary application.

A system comprising:

• a memory;
• and
• one or more processors, coupled to the memory, to perform operations comprising:
• determining that a host application receives an action regarding a document, wherein the action comprises a user change made to the document via the host application;
• adding the action regarding the document to a unified stack that is associated with undo commands and is shared between the host application and a secondary application, wherein at least a portion of the document is editable via the first host application and the secondary application;
• receiving an undo command from the secondary application;
• and
• retrieving the undo command from the unified stack to cause the user change made to the document via the host application to be undone in the secondary application.