2. What do you mean by "after that"?
3. Indeed.
4. The network needs more HASHRATE, that is more miners. More nodes is good, but doesn't protect against those kind of attacks.
5. Not sure what you mean. Look at GitHub to see how often we commit.
2. bug wallet release
4. hashrate will go up when $$ goes up (e.g. when many LTHN nodes are live)
5. Monero V8 became live on the 11th of October. Lethean was attacked 10 days later. Then Lethean was updated to V8.
If this trend continues (someone wealthy to attempt attacks on smaller networks), and it will, updating on time will be cruical.