A few bugfixes have been added since 0.34.9 got release, this is the full changelog:
v0.34.10 (2012-01-23)
+ Bug: Shields and Spikes count for defensive BV
+ Bug: large shield with all crits destroyed still hindering movement
+ All Clan Mechs have Clan names again
+ use double buffering for swing UI (I don't even remember why I disabled it
in the first place)
+ Bug 2928258: LRM 15 not loading from TDB .xml files
+ Bug 2930686: Plasma rifle vs. fire-resistant armor
+ Bug 2933643: Charge should damage first, displace later
+ Bug with coolant pods BV
+ Bug 3030702: report error with vibroclaws against infantry
+ Added spanish translation