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Subject: [bitcoin-dev] Bitcoin Core 23.0 released
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Bitcoin Core version 23.0 is now available from:

  <https://bitcoincore.org/bin/bitcoin-core-23.0/>

Or through BitTorrent:

   magnet:?xt=3Durn:btih:32bc317cce76b966a26bdb53d42f64d66d595954&dn=3Dbitc=
oin-core-23.0&tr=3Dudp%3A%2F%2Ftracker.openbittorrent.com%3A80&tr=3Dudp%3A%=
2F%2Ftracker.opentrackr.org%3A1337%2Fannounce&tr=3Dudp%3A%2F%2Ftracker.copp=
ersurfer.tk%3A6969%2Fannounce&tr=3Dudp%3A%2F%2Ftracker.leechers-paradise.or=
g%3A6969%2Fannounce&tr=3Dudp%3A%2F%2Fexplodie.org%3A6969%2Fannounce&tr=3Dud=
p%3A%2F%2Ftracker.torrent.eu.org%3A451%2Fannounce&tr=3Dudp%3A%2F%2Ftracker.=
bitcoin.sprovoost.nl%3A6969

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=
)
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 mig=
rated. 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, macOS 10.15+, 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

P2P and network changes
- -----------------------

- - A bitcoind node will no longer rumour addresses to inbound peers by def=
ault.
  They will become eligible for address gossip after sending an ADDR, ADDRV=
2,
  or GETADDR message. (#21528)

- - Before this release, Bitcoin Core had a strong preference to try to con=
nect only to peers that listen on port 8333. As a result of that, Bitcoin n=
odes listening on non-standard ports would likely not get any Bitcoin Core =
peers connecting to them. This preference has been removed. (#23542)

- - Full support has been added for the CJDNS network. See the new option `=
-cjdnsreachable` and [doc/cjdns.md](https://github.com/bitcoin/bitcoin/tree=
/23.x/doc/cjdns.md) (#23077)

Fee estimation changes
- ----------------------

- - Fee estimation now takes the feerate of replacement (RBF) transactions =
into
  account. (#22539)

Rescan startup parameter removed
- --------------------------------

The `-rescan` startup parameter has been removed. Wallets which require
rescanning due to corruption will still be rescanned on startup.
Otherwise, please use the `rescanblockchain` RPC to trigger a rescan. (#231=
23)

Tracepoints and Userspace, Statically Defined Tracing support
- -------------------------------------------------------------

Bitcoin Core release binaries for Linux now include experimental tracepoint=
s which
act as an interface for process-internal events. These can be used for revi=
ew,
debugging, monitoring, and more. The tracepoint API is semi-stable. While t=
he API
is tested, process internals might change between releases requiring change=
s to the
tracepoints. Information about the existing tracepoints can be found under
[doc/tracing.md](https://github.com/bitcoin/bitcoin/blob/23.x/doc/tracing.m=
d) and
usage examples are provided in [contrib/tracing/](https://github.com/bitcoi=
n/bitcoin/tree/23.x/contrib/tracing).

Updated RPCs
- ------------

- - The `validateaddress` RPC now returns an `error_locations` array for in=
valid
  addresses, with the indices of invalid character locations in the address=
 (if
  known). For example, this will attempt to locate up to two Bech32 errors,=
 and
  return their locations if successful. Success and correctness are only gu=
aranteed
  if fewer than two substitution errors have been made.
  The error message returned in the `error` field now also returns more spe=
cific
  errors when decoding fails. (#16807)

- - The `-deprecatedrpc=3Daddresses` configuration option has been removed.=
  RPCs
  `gettxout`, `getrawtransaction`, `decoderawtransaction`, `decodescript`,
  `gettransaction verbose=3Dtrue` and REST endpoints `/rest/tx`, `/rest/get=
utxos`,
  `/rest/block` no longer return the `addresses` and `reqSigs` fields, whic=
h
  were previously deprecated in 22.0. (#22650)
- - The `getblock` RPC command now supports verbosity level 3 containing tr=
ansaction inputs'
  `prevout` information.  The existing `/rest/block/` REST endpoint is modi=
fied to contain
  this information too. Every `vin` field will contain an additional `prevo=
ut` subfield
  describing the spent output. `prevout` contains the following keys:
  - `generated` - true if the spent coins was a coinbase.
  - `height`
  - `value`
  - `scriptPubKey`

- - The top-level fee fields `fee`, `modifiedfee`, `ancestorfees` and `desc=
endantfees`
  returned by RPCs `getmempoolentry`,`getrawmempool(verbose=3Dtrue)`,
  `getmempoolancestors(verbose=3Dtrue)` and `getmempooldescendants(verbose=
=3Dtrue)`
  are deprecated and will be removed in the next major version (use
  `-deprecated=3Dfees` if needed in this version). The same fee fields can =
be accessed
  through the `fees` object in the result. WARNING: deprecated
  fields `ancestorfees` and `descendantfees` are denominated in sats, where=
as all
  fields in the `fees` object are denominated in BTC. (#22689)

- - Both `createmultisig` and `addmultisigaddress` now include a `warnings`
  field, which will show a warning if a non-legacy address type is requeste=
d
  when using uncompressed public keys. (#23113)

Changes to wallet related RPCs can be found in the Wallet section below.

New RPCs
- --------

- - Information on soft fork status has been moved from `getblockchaininfo`
  to the new `getdeploymentinfo` RPC which allows querying soft fork status=
 at any
  block, rather than just at the chain tip. Inclusion of soft fork
  status in `getblockchaininfo` can currently be restored using the
  configuration `-deprecatedrpc=3Dsoftforks`, but this will be removed in
  a future release. Note that in either case, the `status` field
  now reflects the status of the current block rather than the next
  block. (#23508)

Files
- -----

* On startup, the list of banned hosts and networks (via `setban` RPC) in
  `banlist.dat` is ignored and only `banlist.json` is considered. Bitcoin C=
ore
  version 22.x is the only version that can read `banlist.dat` and also wri=
te
  it to `banlist.json`. If `banlist.json` already exists, version 22.x will=
 not
  try to translate the `banlist.dat` into json. After an upgrade, `listbann=
ed`
  can be used to double check the parsed entries. (#22570)

Updated settings
- ----------------

- - In previous releases, the meaning of the command line option
  `-persistmempool` (without a value provided) incorrectly disabled mempool
  persistence.  `-persistmempool` is now treated like other boolean options=
 to
  mean `-persistmempool=3D1`. Passing `-persistmempool=3D0`, `-persistmempo=
ol=3D1`
  and `-nopersistmempool` is unaffected. (#23061)

- - `-maxuploadtarget` now allows human readable byte units [k|K|m|M|g|G|t|=
T].
  E.g. `-maxuploadtarget=3D500g`. No whitespace, +- or fractions allowed.
  Default is `M` if no suffix provided. (#23249)

- - If `-proxy=3D` is given together with `-noonion` then the provided prox=
y will
  not be set as a proxy for reaching the Tor network. So it will not be
  possible to open manual connections to the Tor network for example with t=
he
  `addnode` RPC. To mimic the old behavior use `-proxy=3D` together with
  `-onlynet=3D` listing all relevant networks except `onion`. (#22834)

Tools and Utilities
- -------------------

- - Update `-getinfo` to return data in a user-friendly format that also re=
duces vertical space. (#21832)

- - CLI `-addrinfo` now returns a single field for the number of `onion` ad=
dresses
  known to the node instead of separate `torv2` and `torv3` fields, as supp=
ort
  for Tor V2 addresses was removed from Bitcoin Core in 22.0. (#22544)

Wallet
- ------

- - Descriptor wallets are now the default wallet type. Newly created walle=
ts
  will use descriptors unless `descriptors=3Dfalse` is set during `createwa=
llet`, or
  the `Descriptor wallet` checkbox is unchecked in the GUI.

  Note that wallet RPC commands like `importmulti` and `dumpprivkey` cannot=
 be
  used with descriptor wallets, so if your client code relies on these comm=
ands
  without specifying `descriptors=3Dfalse` during wallet creation, you will=
 need
  to update your code.

- - Newly created descriptor wallets will contain an automatically generate=
d `tr()`
  descriptor which allows for creating single key Taproot receiving address=
es.

- - `upgradewallet` will now automatically flush the keypool if upgrading
  from a non-HD wallet to an HD wallet, to immediately start using the
  newly-generated HD keys. (#23093)

- - a new RPC `newkeypool` has been added, which will flush (entirely
  clear and refill) the keypool. (#23093)

- - `listunspent` now includes `ancestorcount`, `ancestorsize`, and
  `ancestorfees` for each transaction output that is still in the mempool.
  (#12677)

- - `lockunspent` now optionally takes a third parameter, `persistent`, whi=
ch
  causes the lock to be written persistently to the wallet database. This
  allows UTXOs to remain locked even after node restarts or crashes. (#2306=
5)

- - `receivedby` RPCs now include coinbase transactions. Previously, the
  following wallet RPCs excluded coinbase transactions: `getreceivedbyaddre=
ss`,
  `getreceivedbylabel`, `listreceivedbyaddress`, `listreceivedbylabel`. Thi=
s
  release changes this behaviour and returns results accounting for receive=
d
  coins from coinbase outputs. The previous behaviour can be restored using=
 the
  configuration `-deprecatedrpc=3Dexclude_coinbase`, but may be removed in =
a
  future release. (#14707)

- - A new option in the same `receivedby` RPCs, `include_immature_coinbase`
  (default=3D`false`), determines whether to account for immature coinbase
  transactions. Immature coinbase transactions are coinbase transactions th=
at
  have 100 or fewer confirmations, and are not spendable. (#14707)

GUI changes
- -----------

- - UTXOs which are locked via the GUI are now stored persistently in the
  wallet database, so are not lost on node shutdown or crash. (#23065)

- - The Bech32 checkbox has been replaced with a dropdown for all address t=
ypes, including the new Bech32m (BIP-350) standard for Taproot enabled wall=
ets.

Low-level changes
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

RPC
- ---

- - `getblockchaininfo` now returns a new `time` field, that provides the c=
hain tip time. (#22407)

Tests
- -----

- - For the `regtest` network the activation heights of several softforks w=
ere
  set to block height 1. They can be changed by the runtime setting
  `-testactivationheight=3Dname@height`. (#22818)

Credits
=3D=3D=3D=3D=3D=3D=3D

Thanks to everyone who directly contributed to this release:

- - 0xb10c
- - 0xree
- - Aaron Clauson
- - Adrian-Stefan Mares
- - agroce
- - aitorjs
- - Alex Groce
- - amadeuszpawlik
- - Amiti Uttarwar
- - Andrew Chow
- - Andrew Poelstra
- - Andrew Toth
- - anouar kappitou
- - Anthony Towns
- - Antoine Poinsot
- - Arnab Sen
- - Ben Woosley
- - benthecarman
- - Bitcoin Hodler
- - BitcoinTsunami
- - brianddk
- - Bruno Garcia
- - CallMeMisterOwl
- - Calvin Kim
- - Carl Dong
- - Cory Fields
- - Cuong V. Nguyen
- - Darius Parvin
- - Dhruv Mehta
- - Dimitri Deijs
- - Dimitris Apostolou
- - Dmitry Goncharov
- - Douglas Chimento
- - eugene
- - Fabian Jahr
- - fanquake
- - Florian Baumgartl
- - fyquah
- - Gleb Naumenko
- - glozow
- - Gregory Sanders
- - Heebs
- - Hennadii Stepanov
- - hg333
- - HiLivin
- - Igor Cota
- - Jadi
- - James O'Beirne
- - Jameson Lopp
- - Jarol Rodriguez
- - Jeremy Rand
- - Jeremy Rubin
- - Joan Karadimov
- - John Newbery
- - Jon Atack
- - Jo=C3=A3o Barbosa
- - josibake
- - junderw
- - Karl-Johan Alm
- - katesalazar
- - Kennan Mell
- - Kiminuo
- - Kittywhiskers Van Gogh
- - Klement Tan
- - Kristaps Kaupe
- - Kuro
- - Larry Ruane
- - lsilva01
- - lucash-dev
- - Luke Dashjr
- - MarcoFalke
- - Martin Leitner-Ankerl
- - Martin Zumsande
- - Matt Corallo
- - Matt Whitlock
- - MeshCollider
- - Michael Dietz
- - Murch
- - naiza
- - Nathan Garabedian
- - Nelson Galdeman
- - NikhilBartwal
- - Niklas G=C3=B6gge
- - node01
- - nthumann
- - Pasta
- - Patrick Kamin
- - Pavel Safronov
- - Pavol Rusnak
- - Perlover
- - Pieter Wuille
- - practicalswift
- - pradumnasaraf
- - pranabp-bit
- - Prateek Sancheti
- - Prayank
- - Rafael Sadowski
- - rajarshimaitra
- - randymcmillan
- - ritickgoenka
- - Rob Fielding
- - Rojar Smith
- - Russell Yanofsky
- - S3RK
- - Saibato
- - Samuel Dobson
- - sanket1729
- - seaona
- - Sebastian Falbesoner
- - sh15h4nk
- - Shashwat
- - Shorya
- - ShubhamPalriwala
- - Shubhankar Gambhir
- - Sjors Provoost
- - sogoagain
- - sstone
- - stratospher
- - Suriyaa Rocky Sundararuban
- - Taeik Lim
- - TheCharlatan
- - Tim Ruffing
- - Tobin Harding
- - Troy Giorshev
- - Tyler Chambers
- - Vasil Dimov
- - W. J. van der Laan
- - w0xlt
- - willcl-ark
- - William Casarin
- - zealsham
- - Zero-1729

As well as to everyone that helped with translations on
[Transifex](https://www.transifex.com/bitcoin/bitcoin/).
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