For those interested in a more detailed breakdown of the changes, here is a summary of the official patch notes:
If you are seeing a specific bug fix for a "rune" issue, it likely refers to a hotfix for mystical items or quest-specific blockers similar to previous fixes for the mystical sword or Lioness statues . disney dreamlight valley update v1 9 0 9407rune fixed
Is this happening on a (Switch, PC, PlayStation, etc.)? For those interested in a more detailed breakdown