1.7.8 is an update released to fix some crashes and skin issues from 1.7.7. It is compatible with 1.7.6 – 1.7.7 servers.
- Twitch streaming
- Now asks for confirmation before starting streaming to avoid accidental broadcasts.
- Client will auto-kick the player from the server after 23 hours, 59 minutes. 
6 bugs fixed
From the 1.7.x release versions
- MC-52639 – Upon update, 2 chunks of house missing
- MC-52652 – 1.7.6 server can't parse banlist from older version
- MC-52668 – Player skulls UUID compatibility incomplete (NBT tag
SkullOwner was of wrong type)
- MC-52718 – Minecraft skin problems recent with 1.7.7
- MC-52755 – Staying on a server for more than 24 hours crashes everyone
- MC-52673 – Invert mouse setting defaults when closing and reopening