Change comments for synchronized content items

A system comprising:

• a processor configured to execute instructions;
• a non-transitory, non-volatile storage medium containing instructions, which when executed by the processor cause the processor to perform the steps of:
• detecting, by a client application on a first device, a save operation on a content item synchronized between a content management system and a plurality of devices including the first device, each device associated with one of a plurality of users with which the content item is shared, and the save operation including a change to the content item;
• generating for display, by the client application in a user interface of the first device, a user interface element prompting a user of the first device to input comment data associated with the change to the content item, wherein the user interface element is displayed responsive to determining that the user should be prompted to comment based on the extent to which the content item has changed;
• receiving input comment data from the user;
• and
• sending the comment data and metadata related to the content item to the content management system, wherein the comment data is provided to each of the plurality of devices other than the first device to notify the users of the plurality of devices about the change to the content item.

A computer program product comprising a computer-readable storage medium containing computer program code configured to cause a processor to perform steps comprising:

• detecting, by a client application on a first device, a save operation on a content item synchronized between a content management system and a plurality of devices including the first device, each device associated with one of a plurality of users with which the content item is shared, and the save operation including a change to the content item;
• generating for display, by the client application in a user interface of the first device, a user interface element prompting a user of the first device to input comment data associated with the change to the content item, wherein the user interface element is displayed responsive to determining that the user should be prompted to comment based on the extent to which the content item has changed;
• receiving input comment data from the user;
• and
• sending the comment data and metadata related to the content item to the content management system, wherein the comment data is provided to each of the plurality of devices other than the first device to notify the users of the plurality of devices about the change to the content item.