I've built my own paclet application with documentation using Workbench 3 (Eclipse add-in 10.1.822) with MM 12.1 (there are currently issues with 12.2-3 and the only Workbench add-in update, which I'm not willing to risk yet). Workbench is creating the index file but the info button is missing on the auto-complete drop-down for my own functions.
I found this question How do I add the infobutton in autocomplete that links to the documentation page for package functions? from a few years ago and am very curious if there's been any progress on this.
In addition, while the hover button double-chevron correctly brings up the custom function's Usage statement, the info button is grayed out and does not link to my symbol documentation like the built-in functions do.
I have notice though, if I go ahead and evaluate this ?function line, it outputs the usage statement. In the top right corner of the usage statement, there is an info button that is enabled and actually links to my symbol page!
This does show (I think) that the index is working to some limited degree and provides a work-around to getting to the desired ref/symbol page. However, I'd really, really like to get the hover button and auto-complete button working. Has there been any progress on this issue? Anyone know of a workaround?