Thank you for this information. I will certainly start digging into these resources. We've already written some customizations for the Asset Finder. I'm disappointed there isn't some configurable way to simply add a mimetype of "text/csv" to what is displayed for the Documents category.

I can upload .txt, .csv and .xlsx files into the DAM, but then when editing a page, I can only find the xlsx file in the Asset Finder (left panel).  I suspect this issue is around the mimetype.  The files not displaying have a mimetype of text/plain and text/csv.  The xlsx, which does show up, has a...

In the sites and assets list view with My Preferences set so "Relative Date Presentation" is set to "Always show exact date", just the Published and Modified Dates display.  We want the date and time displayed (like was available in classic).The time is available in the <time> element, but not inclu...

Does anyone know if there is a way to have tag garbage collection work not only on cq:tags properties, but also custom page and component properties that we have created that can have tag values?