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authorMichael Ford <fanquake@gmail.com>2024-04-17 10:29:34 +0100
committerbitcoindev <bitcoindev@googlegroups.com>2024-04-17 03:38:27 -0700
commit27440a0a741c7936571539a2b470ee1fa5356d2f (patch)
treeafd39cf7f9f45862bfef17b1a180fb6ebf3acc3e
parent34e5cc8311b720b488936bfcbc0184e7c0d29ff5 (diff)
downloadpi-bitcoindev-27440a0a741c7936571539a2b470ee1fa5356d2f.tar.gz
pi-bitcoindev-27440a0a741c7936571539a2b470ee1fa5356d2f.zip
[bitcoindev] Bitcoin Core 27.0 released
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1 files changed, 434 insertions, 0 deletions
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+MIME-Version: 1.0
+From: Michael Ford <fanquake@gmail.com>
+Date: Wed, 17 Apr 2024 10:29:34 +0100
+Message-ID: <CAFyhPjUwA2yUNtiHBdG63XeK3V_sRgDd0_xU98EyT8RgbdxiYg@mail.gmail.com>
+Subject: [bitcoindev] Bitcoin Core 27.0 released
+To: bitcoin-core-dev@lists.linuxfoundation.org, bitcoindev@googlegroups.com
+Content-Type: text/plain; charset="UTF-8"
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+
+Bitcoin Core version v27.0 is now available from:
+
+ https://bitcoincore.org/bin/bitcoin-core-27.0/
+
+Or through BitTorrent:
+
+ magnet:?xt=3Durn:btih:2b2d123e5e831b245fb1dc5b8b71f89de4a90d00&dn=3Dbit=
+coin-core-27.0&tr=3Dudp%3A%2F%2Ftracker.openbittorrent.com%3A80&tr=3Dudp%3A=
+%2F%2Ftracker.opentrackr.org%3A1337%2Fannounce&tr=3Dudp%3A%2F%2Ftracker.cop=
+persurfer.tk%3A6969%2Fannounce&tr=3Dudp%3A%2F%2Ftracker.leechers-paradise.o=
+rg%3A6969%2Fannounce&tr=3Dudp%3A%2F%2Fexplodie.org%3A6969%2Fannounce&tr=3Du=
+dp%3A%2F%2Ftracker.torrent.eu.org%3A451%2Fannounce&tr=3Dudp%3A%2F%2Ftracker=
+.bitcoin.sprovoost.nl%3A6969&ws=3Dhttp%3A%2F%2Fbitcoincore.org%2Fbin%2F
+
+This release includes new features, various bug fixes and performance
+improvements, as well as updated translations.
+
+Please report bugs using the issue tracker at GitHub:
+
+ <https://github.com/bitcoin/bitcoin/issues>
+
+To receive security and update notifications, please subscribe to:
+
+ <https://bitcoincore.org/en/list/announcements/join/>
+
+How to Upgrade
+=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
+
+If you are running an older version, shut it down. Wait until it has comple=
+tely
+shut down (which might take a few minutes in some cases), then run the
+installer (on Windows) or just copy over `/Applications/Bitcoin-Qt` (on mac=
+OS)
+or `bitcoind`/`bitcoin-qt` (on Linux).
+
+Upgrading directly from a version of Bitcoin Core that has reached its EOL =
+is
+possible, but it might take some time if the data directory needs to
+be migrated. Old
+wallet versions of Bitcoin Core are generally supported.
+
+Compatibility
+=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
+
+Bitcoin Core is supported and extensively tested on operating systems
+using the Linux Kernel 3.17+, macOS 11.0+, and Windows 7 and newer. Bitcoin
+Core should also work on most other Unix-like systems but is not as
+frequently tested on them. It is not recommended to use Bitcoin Core on
+unsupported systems.
+
+Notable changes
+=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
+
+libbitcoinconsensus
+-------------------
+
+- libbitcoinconsensus is deprecated and will be removed for v28. This
+library has
+ existed for nearly 10 years with very little known uptake or impact. It h=
+as
+ become a maintenance burden.
+
+ The underlying functionality does not change between versions, so any use=
+rs of
+ the library can continue to use the final release indefinitely, with the
+ understanding that Taproot is its final consensus update.
+
+ In the future, libbitcoinkernel will provide a much more useful API that =
+is
+ aware of the UTXO set, and therefore be able to fully validate
+transactions and
+ blocks. (#29189)
+
+mempool.dat compatibility
+-------------------------
+
+- The `mempool.dat` file created by -persistmempool or the savemempool RPC =
+will
+ be written in a new format. This new format includes the XOR'ing of
+transaction
+ contents to mitigate issues where external programs (such as
+anti-virus) attempt
+ to interpret and potentially modify the file.
+
+ This new format can not be read by previous software releases. To allow f=
+or a
+ downgrade, a temporary setting `-persistmempoolv1` has been added to fall=
+ back
+ to the legacy format. (#28207)
+
+P2P and network changes
+-----------------------
+
+- BIP324 v2 transport is now enabled by default. It remains possible
+to disable v2
+ by running with `-v2transport=3D0`. (#29347)
+- Manual connection options (`-connect`, `-addnode` and `-seednode`) will
+ now follow `-v2transport` to connect with v2 by default. They will retry =
+with
+ v1 on failure. (#29058)
+
+- Network-adjusted time has been removed from consensus code. It is replace=
+d
+ with (unadjusted) system time. The warning for a large median time offset
+ (70 minutes or more) is kept. This removes the implicit security assumpti=
+on of
+ requiring an honest majority of outbound peers, and increases the importa=
+nce
+ of the node operator ensuring their system time is (and stays) correct to=
+ not
+ fall out of consensus with the network. (#28956)
+
+Mempool Policy Changes
+----------------------
+
+- Opt-in Topologically Restricted Until Confirmation (TRUC) Transactions po=
+licy
+ (aka v3 transaction policy) is available for use on test networks when
+ `-acceptnonstdtxn=3D1` is set. By setting the transaction version
+number to 3, TRUC transactions
+ request the application of limits on spending of their unconfirmed
+outputs. These
+ restrictions simplify the assessment of incentive compatibility of
+accepting or
+ replacing TRUC transactions, thus ensuring any replacements are more
+profitable for
+ the node and making fee-bumping more reliable. TRUC transactions are curr=
+ently
+ nonstandard and can only be used on test networks where the
+standardness rules are
+ relaxed or disabled (e.g. with `-acceptnonstdtxn=3D1`). (#28948)
+
+External Signing
+----------------
+
+- Support for external signing on Windows has been disabled. It will
+be re-enabled
+ once the underlying dependency (Boost Process), has been replaced
+with a different
+ library. (#28967)
+
+Updated RPCs
+------------
+
+- The addnode RPC now follows the `-v2transport` option (now on by
+default, see above) for making connections.
+ It remains possible to specify the transport type manually with the
+v2transport argument of addnode. (#29239)
+
+Build System
+------------
+
+- A C++20 capable compiler is now required to build Bitcoin Core. (#28349)
+- MacOS releases are configured to use the hardened runtime libraries (#291=
+27)
+
+Wallet
+------
+
+- The CoinGrinder coin selection algorithm has been introduced to
+mitigate unnecessary
+ large input sets and lower transaction costs at high feerates. CoinGrinde=
+r
+ searches for the input set with minimal weight. Solutions found by
+ CoinGrinder will produce a change output. CoinGrinder is only active at
+ elevated feerates (default: 30+=E2=80=AFsat/vB, based on
+`-consolidatefeerate`=C3=973). (#27877)
+- The Branch And Bound coin selection algorithm will be disabled when
+the subtract fee
+ from outputs feature is used. (#28994)
+- If the birth time of a descriptor is detected to be later than the
+first transaction
+ involving that descriptor, the birth time will be reset to the
+earlier time. (#28920)
+
+Low-level changes
+=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
+
+Pruning
+-------
+
+- When pruning during initial block download, more blocks will be pruned at=
+ each
+ flush in order to speed up the syncing of such nodes. (#20827)
+
+Init
+----
+
+- Various fixes to prevent issues where subsequent instances of
+Bitcoin Core would
+ result in deletion of files in use by an existing instance. (#28784, #289=
+46)
+- Improved handling of empty `settings.json` files. (#29144)
+
+Credits
+=3D=3D=3D=3D=3D=3D=3D
+
+Thanks to everyone who directly contributed to this release:
+
+- 22388o=E2=9A=A1=EF=B8=8F
+- Aaron Clauson
+- Amiti Uttarwar
+- Andrew Toth
+- Anthony Towns
+- Antoine Poinsot
+- Ava Chow
+- Brandon Odiwuor
+- brunoerg
+- Chris Stewart
+- Cory Fields
+- dergoegge
+- djschnei21
+- Fabian Jahr
+- fanquake
+- furszy
+- Gloria Zhao
+- Greg Sanders
+- Hennadii Stepanov
+- Hernan Marino
+- iamcarlos94
+- ismaelsadeeq
+- Jameson Lopp
+- Jesse Barton
+- John Moffett
+- Jon Atack
+- josibake
+- jrakibi
+- Justin Dhillon
+- Kashif Smith
+- kevkevin
+- Kristaps Kaupe
+- L0la L33tz
+- Luke Dashjr
+- L=C5=91rinc
+- marco
+- MarcoFalke
+- Mark Friedenbach
+- Marnix
+- Martin Leitner-Ankerl
+- Martin Zumsande
+- Max Edwards
+- Murch
+- muxator
+- naiyoma
+- Nikodemas Tuckus
+- ns-xvrn
+- pablomartin4btc
+- Peter Todd
+- Pieter Wuille
+- Richard Myers
+- Roman Zeyde
+- Russell Yanofsky
+- Ryan Ofsky
+- Sebastian Falbesoner
+- Sergi Delgado Segura
+- Sjors Provoost
+- stickies-v
+- stratospher
+- Supachai Kheawjuy
+- TheCharlatan
+- UdjinM6
+- Vasil Dimov
+- w0xlt
+- willcl-ark
+
+
+As well as to everyone that helped with translations on
+[Transifex](https://www.transifex.com/bitcoin/bitcoin/).
+
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+.com.
+