Multiplayer - wrong blocks placed in 0.8.0 (released build)

• • Selected Build 8 above as 0.8.0 wasn't available in the Released Versions section - this affects the released version **

There's a bug in multiplayer where a joining player only ever places one block type regardless of what they select. I saw online that this was supposed to have been fixed in '0.8.0 build 8', but it appears to still be an issue....

What I expected to happen was...:
Selected block should be placed

What actually happened was...:
Whatever block was selected first (or tool - i.e. flint & steel) takes effect rather than the selected block.

Steps to Reproduce:
1. Log on to multiplayer (as a client, not a host)
2. Select a block
3. Place it
4. Change block