Those are BETA versions - not sure what the changes/fixes are. Any compelling reason to upgrade?
7.0.8 is not beta, it's just latest version with bug corrections
They don't publish 7.0.8 revision history, but you can see until 7.0.7 here :
Hmm, it says this:
"Please note that these builds are provided as beta and are not supported. "
On the download page you linked to. Still, it looks like quite a few fixes since 7.0.5s so probably worthwhile - especially the improved memory handling noted as part of the 7.0.7 version. Have you got it running? If yes, any issues installing or running so far?
OK, I have 7.0.8S running on my 1Tb MBWE white light. I just stopped the server ( had to use killall twonky*), and unzipped 7.0.8 over the 7.0.5 install. So far the only issue I have seen is it re-built the database on startup - in my case this took 3hrs 15 mins - to process :
Videos: 105 Songs: 2117 Photos: 9031
The seems to be longer than the old version but it might just be becasue I was watching it this time - I did not note the previous build time so I could be wrong.