I was wondering the same.

So far no big changes (multiband eq) from what I can see 

Hi @Morcman,

The latest software update (571HPF.01.06.001.0009) introduces Cross-transport key derivation (CTKD).

On iOS devices, both data and audio Bluetooth connections are now made within the MyDyson app connection journey. This simplifies the pairing experience, as Dyson OnTrac headphone owners no longer have to manually connect audio in their smartphone settings. This also aligns the experience with the current Android implementation.

As this change only impacts the connection experience, you may not have noticed it if your headphones are already connected.

I’m trying to confirm if there are any further noteworthy updates - I’ll let you know if there are!