When a wafrn user replies to a non-wafrn user who is following the @[email protected] account, they get a notification that they have un-bridged replies from bluesky, as wafrn automatically bridges their own posts to bluesky.
for example, the following reply (bridged bluesky reply) results in this notification for me:

(the link in the image is the same as the bluesky link I provided)
not sure if this issue is more appropriate for wafrn or for bridgy, so I've opened an issue for both.
see: codeberg.org/wafrn/wafrn#515
possibly related: #800