Core Development Update 5
https://bitcoinfoundation.org/blog/?p=290
“Reject” transaction error message proposal
https://gist.github.com/gavinandresen/7079034
Compact Fraud Proofs
https://bitcointalk.org/index.php?topic=314506.0
Pay to contract with forgeability / chameleon hash
https://bitcointalk.org/index.php?topic=318279.0
Spying nodes?
https://bitcointalk.org/index.php?topic=319465.0
Confidence Chains
Merged Mining vs. Side Chains
BIP 70-72 for Onion URLs
BitDevs is being franchised
As always come prepared with your own topics to discuss. If you have a project you are working on and would like to present, just shoot me an email.