Presentations:

Matthieu Riou (BlockCypher) - Building A Scalable Full Node Go Implementation

Michael Flaxman - BlockCypher’s Block Explorer

Topics:0.9.5 Release
https://github.com/bitcoin/bitcoin/blob/ea07ccbf3ba462068b9b0cd9daf8df1ba90cab2e/doc/release-notes.md

0.10.2 Release
https://github.com/bitcoin/bitcoin/blob/16f45600c8c372a738ffef544292864256382601/doc/release-notes.md

Github Issues/Pull Requests
https://github.com/bitcoin/bitcoin/pull/6130 (https://github.com/bitcoin/bitcoin/pull/6122#issuecomment[masked])
https://github.com/bitcoin/bitcoin/pull/6131
https://github.com/bitcoin/bitcoin/pull/6134
https://github.com/bitcoin/bitcoin/pull/6217
https://github.com/bitcoin/bitcoin/pull/6209
https://github.com/bitcoin/bitcoin/commit/36cba8f1182e8284ec0017e57c5ffb519cd9798f
https://github.com/bitcoin/bitcoin/commit/8ba7f842e5a00e43167e53b456c6d8732b8861c5
https://github.com/bitcoin/bitcoin/commit/28bf06236d3b385e95fe26a7a742395b30efd6ee
https://github.com/bitcoin/bitcoin/commit/8c35b6f3be218101630101806300cfd75be23f58
https://github.com/bitcoin/bitcoin/commit/b649e0395464a659f4b3485ec71d28dc95ba48bd

Block Size Debate (continued)
http://bitcoin-development.narkive.com/3MPEfZHu/block-size-increase
http://bitcoin-development.narkive.com/80ZxPQWi/long-term-mining-incentives
http://bitcoin-development.narkive.com/iHmMh6bZ/proposed-alternatives-to-the-20mb-step-function
http://gavinandresen.ninja/are-bigger-blocks-better-for-bigger-miners
http://gavinandresen.ninja/bigger-blocks-another-way
http://gavinandresen.ninja/when-the-block-reward-goes-away
https://letstalkbitcoin.com/blog/post/lets-talk-bitcoin-217-the-bitcoin-block-size-discussion
https://www.reddit.com/r/Bitcoin/comments/37vg8y/is_the_blockstream_company_the_reason_why_4_core/crqbd78
https://www.reddit.com/r/Bitcoin/comments/37ub2k/stress_test_recap/
http://www.ofnumbers.com/2015/05/31/a-few-results-from-the-first-intentional-intentional-stress-test-on-a-communal-blockchain/

[BIP] Normalized Transaction IDs
http://bitcoin-development.narkive.com/DC1ukZ2k/bip-normalized-transaction-ids

Interesting Discussion RE UTXO
http://bitcoin-development.narkive.com/9M4nC3RV/a-suggestion-for-reducing-the-size-of-the-utxo-database

Pruning Discussion
http://bitcoin-development.narkive.com/mwFcPEXG/proposed-additional-options-for-pruned-nodes#post6

First Seen replace-by-fee
https://github.com/bitcoin/bitcoin/pull/6176
http://bitcoin-development.narkive.com/NgSiQBmM/first-seen-safe-replace-by-fee

Version Bits
https://gist.github.com/sipa/bf69659f43e763540550
http://bitcoin-development.narkive.com/yOuNaoYS/version-bits-proposal

Weekly Mining Stats
http://organofcorti.blogspot.com/

bc.i Android Wallet Security Update
http://blog.blockchain.com/2015/05/28/android-wallet-security-update/

ChainDB
https://bitpay.com/chaindb.pdf
http://bitcoin-development.narkive.com/MvY1yHnO/chaindb-whitepaper

Borromean Ring Signatures
https://github.com/Blockstream/borromean_paper/raw/master/borromean_draft_0.01_34241bb.pdf

Tutorial: Building a document timestamping contracts app in under 30 minutes
https://bitcoinj.github.io/document-timestamp-app

Bitcoin mining on a 55 year old IBM 1401 mainframe: 80 seconds per hash
http://www.righto.com/2015/05/bitcoin-mining-on-55-year-old-ibm-1401.html