Replay Gain: A how to informational

You’re talking about the Tags > Mpeg option screen?
If you’ve only got ID3v1 selected in the write area, then are you only writing ID3v1 tags?

Apart from that I already use those settings (it’s basically the standard config in MP3Tag I believe). I always put in the lyrics into the ID3v2 tags (using the ‘UNSYNCEDLYRICS’ field, and I also put the CD cover (max 50KB) into the ID3v2 tags. I’m not sure whether you do these things.

My feeling is that the changes made by Sansa in this latest firmware have basically broken the MP3 ID3v2 tag handling with ‘large’ tags (being that I have the lyrics and the CD cover in there). Not only does ReplayGain not work for me for most tracks (as its not even detected that they’re present), but many albums no longer display the CD cover, and even in albums which do display the CD cover, various tracks do not. This was not the case on the previous firmware (but I don’t wish to go into firmware downleveling to do further testing on that).