Seems like not only the N97 received new firmware.
The ex-flagship device, the N96 and also the E51 got firmware updates too.
The new version for N96 is v30.033.
Apparently the official changelog is not found anywhere but from the Nokia Software Update website, the changelog was listed quite briefly:
- Imaging – take sharper photos through improved imaging quality and autofocus accuracy
- Mail – Nokia Email service compatibility
- Other – Improvements speed up your phone through system wide speed improvements
The new firmware version for E51 is 400.34.011.
- Increased stability in Mail for Exchange
- SMS reception improvements
- Stability and usability improvements for VoIP and WLAN
- Robustness improvements when pressing the Home key.
More info at www.nokia.com/softwareupdates.
You can update the firmwares on your phones via FOTA by pressing *#0000# n then click “check for updates” or you can get it via the Nokia Software Updater. Step by step here.