I remember that too; it was great. That feature disappeared at some point though - it's not in Lineage OS these days as far as I've found. I recall it made some apps crash, but only as far as I could tell those that weren't robust enough to handle being fed junk data. I'm not sure why that feature disappeared.

EDIT: my guess is that a later Android update broke the existing Cyanogenmod code and no one was maintaining it.