I won’t be around this time, the Meetup will be led by Pat, Hernan, and Steve!

Core Dev:
Bitcoin-Qt / bitcoind .8.6 released
https://bitcointalk.org/index.php?topic=364353.0

Accelerating Bitcoin’s transaction processing
https://bitcointalk.org/index.php?topic=359582.0
http://www.cs.huji.ac.il/~avivz/pubs/13/btc_scalability_full.pdf

Selfish Mining Simulation
https://bitcointalk.org/index.php?topic=326559.0

Bitcoin is running 32 bit systems out of virtual memory
https://github.com/bitcoin/bitcoin/issues/3324

Smart floating fees for the client
https://github.com/bitcoin/bitcoin/pull/3335

Allow mining RPC with –disable-wallet
https://github.com/bitcoin/bitcoin/pull/3368

Interesting Block propagation time speedup proposal
http://www.reddit.com/r/Bitcoin/comments/1ryzf9/bitcoin_1_mb_block_limit/cdscwfm

The coolest Bitcoin transaction of all time (secure multiparty computations on Bitcoin)
http://eprint.iacr.org/2013/784

For this one, read the second two paragraphs. Then you can show the transaction on the blockchain
https://blockchain.info/tx-index/96964833?show_adv=true

Misc/Tools:
BIP 0038 has been implemented in Java
https://github.com/bitsofproof/supernode/blob/master/api/src/main/java/com/bitsofproof/supernode/wallet/KeyFormatter.java

Another Bitcoin implementation in Go that does:
Create Private/Public keys
Create BIP 0038 encrypted keys
Create BIP 0038 intermediate codes
https://github.com/sour-is/bitcoin

Block explorer written in python
https://github.com/bitcoin-abe/bitcoin-abe

Mastercoin is a joke
http://www.reddit.com/r/Bitcoin/comments/1rpx26/mastercoin_is_a_joke/

Bitcoin 0.8.5-OMG10 released
https://bitcointalk.org/index.php?topic=337294.msg3718821#msg3718821

For users using Bitcoin OMG they should update. They can read about Bitcoin OMG here
https://bitcointalk.org/index.php?topic=320695