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Diffstat (limited to 'doc/release-notes.md')
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diff --git a/doc/release-notes.md b/doc/release-notes.md index 8a110e562c..38a2c1347d 100644 --- a/doc/release-notes.md +++ b/doc/release-notes.md @@ -1,9 +1,10 @@ -Bitcoin Core version 0.10.3 is now available from: +Bitcoin Core version 0.10.4 is now available from: - <https://bitcoin.org/bin/bitcoin-core-0.10.3/> + <https://bitcoin.org/bin/bitcoin-core-0.10.4/> -This is a new minor version release, bringing security fixes and translation -updates. It is recommended to upgrade to this version as soon as possible. +This is a new minor version release, bringing bug fixes, the BIP65 +(CLTV) consensus change, and relay policy preparation for BIP113. It is +recommended to upgrade to this version as soon as possible. Please report bugs using the issue tracker at github: @@ -41,125 +42,131 @@ bootstrap.dat) anew afterwards. It is possible that the data from a completely synchronised 0.10 node may be usable in older versions as-is, but this is not supported and may break as soon as the older version attempts to reindex. -This does not affect wallet forward or backward compatibility. +This does not affect wallet forward or backward compatibility. There are no +known problems when downgrading from 0.11.x to 0.10.x. -Notable changes -=============== +Notable changes since 0.10.3 +============================ -Fix buffer overflow in bundled upnp ------------------------------------- +BIP65 soft fork to enforce OP_CHECKLOCKTIMEVERIFY opcode +-------------------------------------------------------- -Bundled miniupnpc was updated to 1.9.20151008. This fixes a buffer overflow in -the XML parser during initial network discovery. +This release includes several changes related to the [BIP65][] soft fork +which redefines the existing OP_NOP2 opcode as OP_CHECKLOCKTIMEVERIFY +(CLTV) so that a transaction output can be made unspendable until a +specified point in the future. -Details can be found here: http://talosintel.com/reports/TALOS-2015-0035/ +1. This release will only relay and mine transactions spending a CLTV + output if they comply with the BIP65 rules as provided in code. -This applies to the distributed executables only, not when building from source or -using distribution provided packages. +2. This release will produce version 4 blocks by default. Please see the + *notice to miners* below. -Additionally, upnp has been disabled by default. This may result in a lower -number of reachable nodes on IPv4, however this prevents future libupnpc -vulnerabilities from being a structural risk to the network -(see https://github.com/bitcoin/bitcoin/pull/6795). +3. Once 951 out of a sequence of 1,001 blocks on the local node's best block + chain contain version 4 (or higher) blocks, this release will no + longer accept new version 3 blocks and it will only accept version 4 + blocks if they comply with the BIP65 rules for CLTV. -Test for LowS signatures before relaying ------------------------------------------ +For more information about the soft-forking change, please see +<https://github.com/bitcoin/bitcoin/pull/6351> -Make the node require the canonical 'low-s' encoding for ECDSA signatures when -relaying or mining. This removes a nuisance malleability vector. +Graphs showing the progress towards block version 4 adoption may be +found at the URLs below: -Consensus behavior is unchanged. +- Block versions over the last 50,000 blocks as progress towards BIP65 + consensus enforcement: <http://bitcoin.sipa.be/ver-50k.png> -If widely deployed this change would eliminate the last remaining known vector -for nuisance malleability on SIGHASH_ALL P2PKH transactions. On the down-side -it will block most transactions made by sufficiently out of date software. +- Block versions over the last 2,000 blocks showing the days to the + earliest possible BIP65 consensus-enforced block: <http://bitcoin.sipa.be/ver-2k.png> -Unlike the other avenues to change txids on transactions this -one was randomly violated by all deployed bitcoin software prior to -its discovery. So, while other malleability vectors where made -non-standard as soon as they were discovered, this one has remained -permitted. Even BIP62 did not propose applying this rule to -old version transactions, but conforming implementations have become -much more common since BIP62 was initially written. +**Notice to miners:** Bitcoin Core’s block templates are now for +version 4 blocks only, and any mining software relying on its +getblocktemplate must be updated in parallel to use libblkmaker either +version FIXME or any version from FIXME onward. -Bitcoin Core has produced compatible signatures since a28fb70e in -September 2013, but this didn't make it into a release until 0.9 -in March 2014; Bitcoinj has done so for a similar span of time. -Bitcoinjs and electrum have been more recently updated. +- If you are solo mining, this will affect you the moment you upgrade + Bitcoin Core, which must be done prior to BIP65 achieving its 951/1001 + status. -This does not replace the need for BIP62 or similar, as miners can -still cooperate to break transactions. Nor does it replace the -need for wallet software to handle malleability sanely[1]. This -only eliminates the cheap and irritating DOS attack. +- If you are mining with the stratum mining protocol: this does not + affect you. -[1] On the Malleability of Bitcoin Transactions -Marcin Andrychowicz, Stefan Dziembowski, Daniel Malinowski, Łukasz Mazurek -http://fc15.ifca.ai/preproceedings/bitcoin/paper_9.pdf +- If you are mining with the getblocktemplate protocol to a pool: this + will affect you at the pool operator’s discretion, which must be no + later than BIP65 achieving its 951/1001 status. -Minimum relay fee default increase ------------------------------------ +[BIP65]: https://github.com/bitcoin/bips/blob/master/bip-0065.mediawiki -The default for the `-minrelaytxfee` setting has been increased from `0.00001` -to `0.00005`. +Windows bug fix for corrupted UTXO database on unclean shutdowns +---------------------------------------------------------------- -This is necessitated by the current transaction flooding, causing -outrageous memory usage on nodes due to the mempool ballooning. This is a -temporary measure, bridging the time until a dynamic method for determining -this fee is merged (which will be in 0.12). +Several Windows users reported that they often need to reindex the +entire blockchain after an unclean shutdown of Bitcoin Core on Windows +(or an unclean shutdown of Windows itself). Although unclean shutdowns +remain unsafe, this release no longer relies on memory-mapped files for +the UTXO database, which significantly reduced the frequency of unclean +shutdowns leading to required reindexes during testing. -(see https://github.com/bitcoin/bitcoin/pull/6793, as well as the 0.11.0 -release notes, in which this value was suggested) +For more information, see: <https://github.com/bitcoin/bitcoin/pull/6917> -0.10.3 Change log +Other fixes for database corruption on Windows are expected in the +next major release. + +0.10.4 Change log ================= -Detailed release notes follow. This overview includes changes that affect external -behavior, not code moves, refactors or string updates. - -- #6186 `e4a7d51` Fix two problems in CSubnet parsing -- #6153 `ebd7d8d` Parameter interaction: disable upnp if -proxy set -- #6203 `ecc96f5` Remove P2SH coinbase flag, no longer interesting -- #6226 `181771b` json: fail read_string if string contains trailing garbage -- #6244 `09334e0` configure: Detect (and reject) LibreSSL -- #6276 `0fd8464` Fix getbalance * 0 -- #6274 `be64204` Add option `-alerts` to opt out of alert system -- #6319 `3f55638` doc: update mailing list address -- #6438 `7e66e9c` openssl: avoid config file load/race -- #6439 `255eced` Updated URL location of netinstall for Debian -- #6412 `0739e6e` Test whether created sockets are select()able -- #6694 `f696ea1` [QT] fix thin space word wrap line brake issue -- #6704 `743cc9e` Backport bugfixes to 0.10 -- #6769 `1cea6b0` Test LowS in standardness, removes nuisance malleability vector. -- #6789 `093d7b5` Update miniupnpc to 1.9.20151008 -- #6795 `f2778e0` net: Disable upnp by default -- #6797 `91ef4d9` Do not store more than 200 timedata samples -- #6793 `842c48d` Bump minrelaytxfee default +Detailed release notes follow. This overview includes changes that affect +behavior, not code moves, refactors and string updates. For convenience in locating +the code changes and accompanying discussion, both the pull request and +git merge commit are mentioned. + +- #6953 `8b3311f` alias -h for --help +- #6953 `97546fc` Change URLs to https in debian/control +- #6953 `38671bf` Update debian/changelog and slight tweak to debian/control +- #6953 `256321e` Correct spelling mistakes in doc folder +- #6953 `eae0350` Clarification of unit test build instructions +- #6953 `90897ab` Update bluematt-key, the old one is long-since revoked +- #6953 `a2f2fb6` build: disable -Wself-assign +- #6953 `cf67d8b` Bugfix: Allow mining on top of old tip blocks for testnet (fixes testnet-in-a-box use case) +- #6953 `b3964e3` Drop "with minimal dependencies" from description +- #6953 `43c2789` Split bitcoin-tx into its own package +- #6953 `dfe0d4d` Include bitcoin-tx binary on Debian/Ubuntu +- #6953 `612efe8` [Qt] Raise debug window when requested +- #6953 `3ad96bd` Fix locking in GetTransaction +- #6953 `9c81005` Fix spelling of Qt +- #6946 `94b67e5` Update LevelDB +- #6706 `5dc72f8` CLTV: Add more tests to improve coverage +- #6706 `6a1343b` Add RPC tests for the CHECKLOCKTIMEVERIFY (BIP65) soft-fork +- #6706 `4137248` Add CHECKLOCKTIMEVERIFY (BIP65) soft-fork logic +- #6706 `0e01d0f` Enable CHECKLOCKTIMEVERIFY as a standard script verify flag +- #6706 `6d01325` Replace NOP2 with CHECKLOCKTIMEVERIFY (BIP65) +- #6706 `750d54f` Move LOCKTIME_THRESHOLD to src/script/script.h +- #6706 `6897468` Make CScriptNum() take nMaxNumSize as an argument +- #6867 `5297194` Set TCP_NODELAY on P2P sockets +- #6836 `fb818b6` Bring historical release notes up to date +- #6852 `0b3fd07` build: make sure OpenSSL heeds noexecstack Credits ======= Thanks to everyone who directly contributed to this release: -- Adam Weiss - Alex Morcos -- Casey Rodarmor -- Cory Fields -- fanquake +- Daniel Cousens +- Diego Viola +- Eric Lombrozo +- Esteban Ordano - Gregory Maxwell -- Jonas Schnelli -- J Ross Nicoll - Luke Dashjr -- Pavel Vasin +- MarcoFalke +- Matt Corallo +- Micha +- Mitchell Cash +- Peter Todd - Pieter Wuille -- randy-waterhouse -- ฿tcDrak -- Tom Harding -- Veres Lajos - Wladimir J. van der Laan +- Zak Wilcox -And all those who contributed additional code review and/or security research: - -- timothy on IRC for reporting the issue -- Vulnerability in miniupnp discovered by Aleksandar Nikolic of Cisco Talos +And those who contributed additional code review and/or security research. As well as everyone that helped translating on [Transifex](https://www.transifex.com/projects/p/bitcoin/). |