Plus (+) signs next to file icons (not talking about twisties)

[JohnStonecypher]

In Contents panel, I notice some of my topic icons have little Plus (+) signs. They are not twisties -- what do they mean?

Probably Relevant: I am trying to use RH 2022's version control features for the first time.  I have it set up enough that a RH file structure has appeared in my SharePoint site.  But I notice there are no FILES showing up in SharePoint.  And in RH, it's all the FILES that have the plus signs. So I bet I could figure this out if I knew what the plus signs mean...

[Peter Grainge]

I've never seen it in versions 2019, 2020 or 2022. Noting your other thread it does suggest something to do with source control. You could prove it by creating a simple test project and putting it in source control.

Beyond that, I can only suggest trying Adobe Support. See https://helpx.adobe.com/contact/enterprise-support.other.html#robohelp for your Adobe Support options. The email link tcssup@adobe.com is recommended as it reaches a team dedicated to Technical Communication Suite products including RoboHelp. 

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My site www.grainge.org includes many free Authoring and RoboHelp resources that may be of help.

[Amebr]

Possibly it means the files need to be checked in (added) to source control? Is there a Check In option in the menu? Or right-click on one file and look for that to see what it does? I've never used source control with either New UI or Sharepoint, so just guessing here.