Inside Bitcoin

251- #6274 `4d9c7fe` Add option `-alerts` to opt out of alert system
252
253### Block and transaction handling
254- #5367 `dcc1304` Do all block index writes in a batch
255- #5253 `203632d` Check against MANDATORY flags prior to accepting to mempool
256- #5459 `4406c3e` Reject headers that build on an invalid parent
257- #5481 `055f3ae` Apply AreSane() checks to the fees from the network
258- #5580 `40d65eb` Preemptively catch a few potential bugs
259- #5349 `f55c5e9` Implement test for merkle tree malleability in CPartialMerkleTree
260- #5564 `a89b837` clarify obscure uses of EvalScript()
261- #5521 `8e4578a` Reject non-final txs even in testnet/regtest
262- #5707 `6af674e` Change hardcoded character constants to descriptive named constants for db keys
263- #5286 `fcf646c` Change the default maximum OP_RETURN size to 80 bytes
264- #5710 `175d86e` Add more information to errors in ReadBlockFromDisk
265- #5948 `b36f1ce` Use GetAncestor to compute new target
266- #5959 `a0bfc69` Add additional block index consistency checks
267- #6058 `7e0e7f8` autoprune minor post-merge improvements
268- #5159 `2cc1372` New fee estimation code
269- #6102 `6fb90d8` Implement accurate UTXO cache size accounting
270- #6129 `2a82298` Bug fix for clearing fCheckForPruning
271- #5947 `e9af4e6` Alert if it is very likely we are getting a bad chain
272- #6203 `c00ae64` Remove P2SH coinbase flag, no longer interesting
273- #5985 `37b4e42` Fix removing of orphan transactions
274- #6221 `6cb70ca` Prune: Support noncontiguous block files
275- #6256 `fce474c` Use best header chain timestamps to detect partitioning
276- #6233 `a587606` Advance pindexLastCommonBlock for blocks in chainActive
277
278### P2P protocol and network code
279- #5507 `844ace9` Prevent DOS attacks on in-flight data structures
280- #5770 `32a8b6a` Sanitize command strings before logging them
281- #5859 `dd4ffce` Add correct bool combiner for net signals
282- #5876 `8e4fd0c` Add a NODE_GETUTXO service bit and document NODE_NETWORK
283- #6028 `b9311fb` Move nLastTry from CAddress to CAddrInfo
284- #5662 `5048465` Change download logic to allow calling getdata on inbound peers
285- #5971 `18d2832` replace absolute sleep with conditional wait
286- #5918 `7bf5d5e` Use equivalent PoW for non-main-chain requests
287- #6059 `f026ab6` chainparams: use SeedSpec6's rather than CAddress's for fixed seeds
288- #6080 `31c0bf1` Add jonasschnellis dns seeder
289- #5976 `9f7809f` Reduce download timeouts as blocks arrive
290- #6172 `b4bbad1` Ignore getheaders requests when not synced
291- #5875 `304892f` Be stricter in processing unrequested blocks
292- #6333 `41bbc85` Hardcoded seeds update June 2015
293
294### Validation
295- #5143 `48e1765` Implement BIP62 rule 6
296- #5713 `41e6e4c` Implement BIP66
297
298### Build system
299- #5501 `c76c9d2` Add mips, mipsel and aarch64 to depends platforms
300- #5334 `cf87536` libbitcoinconsensus: Add pkg-config support
301- #5514 `ed11d53` Fix 'make distcheck'
302- #5505 `a99ef7d` Build winshutdownmonitor.cpp on Windows only
303- #5582 `e8a6639` Osx toolchain update
304- #5684 `ab64022` osx: bump build sdk to 10.9
305- #5695 `23ef5b7` depends: latest config.guess and config.sub
306- #5509 `31dedb4` Fixes when compiling in c++11 mode
307- #5819 `f8e68f7` release: use static libstdc++ and disable reduced exports by default
308- #5510 `7c3fbc3` Big endian support
309- #5149 `c7abfa5` Add script to verify all merge commits are signed
310- #6082 `7abbb7e` qt: disable qt tests when one of the checks for the gui fails
311- #6244 `0401aa2` configure: Detect (and reject) LibreSSL
312- #6269 `95aca44` gitian: Use the new bitcoin-detached-sigs git repo for OSX signatures
313- #6285 `ef1d506` Fix scheduler build with some boost versions.
314- #6280 `25c2216` depends: fix Boost 1.55 build on GCC 5
315- #6303 `b711599` gitian: add a gitian-win-signer descriptor
316- #6246 `8ea6d37` Fix build on FreeBSD
317- #6282 `daf956b` fix crash on shutdown when e.g. changing -txindex and abort action
318- #6354 `bdf0d94` Gitian windows signing normalization
319
320### Wallet
321- #2340 `811c71d` Discourage fee sniping with nLockTime
322- #5485 `d01bcc4` Enforce minRelayTxFee on wallet created tx and add a maxtxfee option
323- #5508 `9a5cabf` Add RandAddSeedPerfmon to MakeNewKey
324- #4805 `8204e19` Do not flush the wallet in AddToWalletIfInvolvingMe(..)
325- #5319 `93b7544` Clean up wallet encryption code
326- #5831 `df5c246` Subtract fee from amount
327- #6076 `6c97fd1` wallet: fix boost::get usage with boost 1.58
328- #5511 `23c998d` Sort pending wallet transactions before reaccepting
329- #6126 `26e08a1` Change default nTxConfirmTarget to 2
330- #6183 `75a4d51` Fix off-by-one error w/ nLockTime in the wallet
331- #6276 `c9fd907` Fix getbalance * 0
332
333### GUI
334- #5219 `f3af0c8` New icons
335- #5228 `bb3c75b` HiDPI (retina) support for splash screen
336- #5258 `73cbf0a` The RPC Console should be a QWidget to make window more independent
337- #5488 `851dfc7` Light blue icon color for regtest
338- #5547 `a39aa74` New icon for the debug window
339- #5493 `e515309` Adopt style colour for button icons
340- #5557 `70477a0` On close of splashscreen interrupt verifyDB
341- #5559 `83be8fd` Make the command-line-args dialog better
342- #5144 `c5380a9` Elaborate on signverify message dialog warning
343- #5489 `d1aa3c6` Optimize PNG files
344- #5649 `e0cd2f5` Use text-color icons for system tray Send/Receive menu entries
345- #5651 `848f55d` Coin Control: Use U+2248 "ALMOST EQUAL TO" rather than a simple tilde
346- #5626 `ab0d798` Fix icon sizes and column width
347- #5683 `c7b22aa` add new osx dmg background picture
348- #5620 `7823598` Payment request expiration bug fix
349- #5729 `9c4a5a5` Allow unit changes for read-only BitcoinAmountField
350- #5753 `0f44672` Add bitcoin logo to about screen
351- #5629 `a956586` Prevent amount overflow problem with payment requests
352- #5830 `215475a` Don't save geometry for options and about/help window
353- #5793 `d26f0b2` Honor current network when creating autostart link
354- #5847 `f238add` Startup script for centos, with documentation
355- #5915 `5bd3a92` Fix a static qt5 crash when using certain versions of libxcb
356- #5898 `bb56781` Fix rpc console font size to flexible metrics
357- #5467 `bc8535b` Payment request / server work - part 2
358- #6161 `180c164` Remove movable option for toolbar
359- #6160 `0d862c2` Overviewpage: make sure warning icons gets colored
360
361### Tests
362- #5453 `2f2d337` Add ability to run single test manually to RPC tests
363- #5421 `886eb57` Test unexecuted OP_CODESEPARATOR
364- #5530 `565b300` Additional rpc tests
365- #5611 `37b185c` Fix spurious windows test failures after 012598880c
366- #5613 `2eda47b` Fix smartfees test for change to relay policy
367- #5612 `e3f5727` Fix zapwallettxes test
368- #5642 `30a5b5f` Prepare paymentservertests for new unit tests
369- #5784 `e3a3cd7` Fix usage of NegateSignatureS in script_tests
370- #5813 `ee9f2bf` Add unit tests for next difficulty calculations
371- #5855 `d7989c0` Travis: run unit tests in different orders
372- #5852 `cdae53e` Reinitialize state in between individual unit tests.
373- #5883 `164d7b6` tests: add a BasicTestingSetup and apply to all tests
374- #5940 `446bb70` Regression test for ResendWalletTransactions
375- #6052 `cf7adad` fix and enable bip32 unit test
376- #6039 `734f80a` tests: Error when setgenerate is used on regtest
377- #6074 `948beaf` Correct the PUSHDATA4 minimal encoding test in script_invalid.json
378- #6032 `e08886d` Stop nodes after RPC tests, even with --nocleanup
379- #6075 `df1609f` Add additional script edge condition tests
380- #5981 `da38dc6` Python P2P testing 
381- #5958 `9ef00c3` Add multisig rpc tests
382- #6112 `fec5c0e` Add more script edge condition tests
383
384### Miscellaneous
385- #5457, #5506, #5952, #6047 Update libsecp256k1
386- #5437 `84857e8` Add missing CAutoFile::IsNull() check in main
387- #5490 `ec20fd7` Replace uint256/uint160 with opaque blobs where possible
388- #5654, #5764 Adding jonasschnelli's GPG key
389- #5477 `5f04d1d` OS X 10.10: LSSharedFileListItemResolve() is deprecated
390- #5679 `beff11a` Get rid of DetectShutdownThread
391- #5787 `9bd8c9b` Add fanquake PGP key
392- #5366 `47a79bb` No longer check osx compatibility in RenameThread
393- #5689 `07f4386` openssl: abstract out OPENSSL_cleanse
394- #5708 `8b298ca` Add list of implemented BIPs
395- #5809 `46bfbe7` Add bitcoin-cli man page
396- #5839 `86eb461` keys: remove libsecp256k1 verification until it's actually supported
397- #5749 `d734d87` Help messages correctly formatted (79 chars)
398- #5884 `7077fe6` BUGFIX: Stack around the variable 'rv' was corrupted
399- #5849 `41259ca` contrib/init/bitcoind.openrc: Compatibility with previous OpenRC init script variables
400- #5950 `41113e3` Fix locale fallback and guard tests against invalid locale settings
401- #5965 `7c6bfb1` Add git-subtree-check.sh script
402- #6033 `1623f6e` FreeBSD, OpenBSD thread renaming
403- #6064 `b46e7c2` Several changes to mruset
404- #6104 `3e2559c` Show an init message while activating best chain
405- #6125 `351f73e` Clean up parsing of bool command line args
406- #5964 `b4c219b` Lightweight task scheduler
407- #6116 `30dc3c1` [OSX] rename Bitcoin-Qt.app to Bitcoin-Core.app
408- #6168 `b3024f0` contrib/linearize: Support linearization of testnet blocks
409- #6098 `7708fcd` Update Windows resource files (and add one for bitcoin-tx)
410- #6159 `e1412d3` Catch errors on datadir lock and pidfile delete
411- #6186 `182686c` Fix two problems in CSubnet parsing
412- #6174 `df992b9` doc: add translation strings policy
413- #6210 `dfdb6dd` build: disable optional use of gmp in internal secp256k1 build
414- #6264 `94cd705` Remove translation for -help-debug options
415- #6286 `3902c15` Remove berkeley-db4 workaround in MacOSX build docs
416- #6319 `3f8fcc9` doc: update mailing list address
417
418Credits
419=======
420
421Thanks to everyone who directly contributed to this release:
422
423- 21E14
424- Adam Weiss
425- Alex Morcos
426- ayeowch
427- azeteki
428- Ben Holden-Crowther
429- bikinibabe
430- BitcoinPRReadingGroup
431- Blake Jakopovic
432- BtcDrak
433- charlescharles
434- Chris Arnesen
435- Ciemon
436- CohibAA
437- Corinne Dashjr
438- Cory Fields
439- Cozz Lovan
440- Daira Hopwood
441- Daniel Kraft
442- Dave Collins
443- David A. Harding
444- dexX7
445- Earlz
446- Eric Lombrozo
447- Eric R. Schulz
448- Everett Forth
449- Flavien Charlon
450- fsb4000
451- Gavin Andresen
452- Gregory Maxwell
453- Heath
454- Ivan Pustogarov
455- Jacob Welsh
456- Jameson Lopp
457- Jason Lewicki
458- Jeff Garzik
459- Jonas Schnelli
460- Jonathan Brown
461- Jorge Timón
462- joshr
463- jtimon
464- Julian Yap
465- Luca Venturini
466- Luke Dashjr
467- Manuel Araoz
468- MarcoFalke
469- Matt Bogosian
470- Matt Corallo
471- Micha
472- Michael Ford
473- Mike Hearn
474- mrbandrews
475- Nicolas Benoit
476- paveljanik
477- Pavel Janík
478- Pavel Vasin
479- Peter Todd
480- Philip Kaufmann
481- Pieter Wuille
482- pstratem
483- randy-waterhouse
484- rion
485- Rob Van Mieghem
486- Ross Nicoll
487- Ruben de Vries
488- sandakersmann
489- Shaul Kfir
490- Shawn Wilkinson
491- sinetek
492- Suhas Daftuar
493- svost
494- Thomas Zander
495- Tom Harding
496- UdjinM6
497- Vitalii Demianets
498- Wladimir J. van der Laan
499
500And all those who contributed additional code review and/or security research: