If a future introduces a new rune mechanic, it would likely be:
As of today, FromSoftware’s official update v1.16 notes are sparse. They typically read like a confessional from a cryptic monk. The official text for consoles (PS5, Xbox Series X/S) and PC includes: elden ring shadow of the erdtree update v1 16rune new
Turn off automatic updates if you want to preserve the pre-1.16 farming routes. If this is indeed a bug, it may not last long. If a future introduces a new rune mechanic,
Approximately 100k–110k runes per run with the Gold Scarab equipped. elden ring shadow of the erdtree update v1 16rune new
expansion rather than introducing new content or specific "rune update" features . Key Changes in Patch v1.16