A slightly different view on #12 is the use of handouts. \note<2>{my note} will show up next to the correct overlay.
However, although \pnote{} is also being shown in the handouts as notes, all the contents of every \pnote on that slide are shown on every overlay.
A slightly different view on #12 is the use of handouts.
\note<2>{my note}will show up next to the correct overlay.However, although
\pnote{}is also being shown in the handouts as notes, all the contents of every\pnoteon that slide are shown on every overlay.