I have been experimenting with using the "Simon Says" feature to make an Echo Dot say things when triggered by TTS on a Raspberry Pi (I have an old earphone right next to the Echo Dot which is loud enough Alexa picks up, but is quiet enough to not be noticed by anybody in the room). However, this is spoilt somewhat by the fact that randomly, instead of just repeating what was said, it responds with "I heard" followed by what was said. This appears to be happening for approximately 1 out of every 3 times the "Simon Says" feature is used.
Is everybody else seeing this? I've found one other mention of this online in the following YouTube video, which suggests that this may only be happening in the UK:
https://www.youtube.com/watch?v=JS_Cm31B5S8