Merge #15941: doc: Add historical release notes for 0.18.0

da9f1ace5de35ff8a712200a4d8fa5ff8dba4de4 doc: Add historical release notes for 0.18.0 (Wladimir J. van der Laan)

Pull request description:

ACKs for commit da9f1a:
  jonasschnelli:
    Cross read verification ACK da9f1ace5de35ff8a712200a4d8fa5ff8dba4de4

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+Bitcoin Core version 0.18.0 is now available from:
+
+  <https://bitcoincore.org/bin/bitcoin-core-0.18.0/>
+
+This is a new major version release, including 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
+==============
+
+If you are running an older version, shut it down. Wait until it has
+completely shut down (which might take a few minutes for older
+versions), then run the installer (on Windows) or just copy over
+`/Applications/Bitcoin-Qt` (on Mac) or `bitcoind`/`bitcoin-qt` (on
+Linux).
+
+The first time you run version 0.15.0 or newer, your chainstate database
+will be converted to a new format, which will take anywhere from a few
+minutes to half an hour, depending on the speed of your machine.
+
+Note that the block database format also changed in version 0.8.0 and
+there is no automatic upgrade code from before version 0.8 to version
+0.15.0 or later. Upgrading directly from 0.7.x and earlier without
+redownloading the blockchain is not supported.  However, as usual, old
+wallet versions are still supported.
+
+Compatibility
+==============
+
+Bitcoin Core is supported and extensively tested on operating systems
+using the Linux kernel, macOS 10.10+, and Windows 7 and newer. It is not
+recommended to use Bitcoin Core on unsupported systems.
+
+Bitcoin Core should also work on most other Unix-like systems but is not
+as frequently tested on them.
+
+From 0.17.0 onwards, macOS <10.10 is no longer supported. 0.17.0 is
+built using Qt 5.9.x, which doesn't support versions of macOS older than
+10.10. Additionally, Bitcoin Core does not yet change appearance when
+macOS "dark mode" is activated.
+
+In addition to previously-supported CPU platforms, this release's
+pre-compiled distribution also provides binaries for the RISC-V
+platform.
+
+If you are using the `systemd` unit configuration file located at
+`contrib/init/bitcoind.service`, it has been changed to use
+`/var/lib/bitcoind` as the data directory instead of
+`~bitcoin/.bitcoin`. When switching over to the new configuration file,
+please make sure that the filesystem on which `/var/lib/bitcoind` will
+exist has enough space (check using `df -h /var/lib/bitcoind`), and
+optionally copy over your existing data directory. See the [systemd init
+file section](#systemd-init-file) for more details.
+
+Known issues
+============
+
+Wallet GUI
+----------
+
+For advanced users who have both (1) enabled coin control features, and
+(2) are using multiple wallets loaded at the same time: The coin control
+input selection dialog can erroneously retain wrong-wallet state when
+switching wallets using the dropdown menu. For now, it is recommended
+not to use coin control features with multiple wallets loaded.
+
+Notable changes
+===============
+
+Mining
+------
+
+- Calls to `getblocktemplate` will fail if the segwit rule is not
+  specified.  Calling `getblocktemplate` without segwit specified is
+  almost certainly a misconfiguration since doing so results in lower
+  rewards for the miner.  Failed calls will produce an error message
+  describing how to enable the segwit rule.
+
+Configuration option changes
+----------------------------
+
+- A warning is printed if an unrecognized section name is used in the
+  configuration file.  Recognized sections are `[test]`, `[main]`, and
+  `[regtest]`.
+
+- Four new options are available for configuring the maximum number of
+  messages that ZMQ will queue in memory (the "high water mark") before
+  dropping additional messages.  The default value is 1,000, the same as
+  was used for previous releases.  See the [ZMQ
+  documentation](https://github.com/bitcoin/bitcoin/blob/master/doc/zmq.md#usage)
+  for details.
+
+- The `rpcallowip` option can no longer be used to automatically listen
+  on all network interfaces.  Instead, the `rpcbind` parameter must be
+  used to specify the IP addresses to listen on.  Listening for RPC
+  commands over a public network connection is insecure and should be
+  disabled, so a warning is now printed if a user selects such a
+  configuration.  If you need to expose RPC in order to use a tool like
+  Docker, ensure you only bind RPC to your localhost, e.g. `docker run
+  [...] -p 127.0.0.1:8332:8332` (this is an extra `:8332` over the
+  normal Docker port specification).
+
+- The `rpcpassword` option now causes a startup error if the password
+  set in the configuration file contains a hash character (#), as it's
+  ambiguous whether the hash character is meant for the password or as a
+  comment.
+
+- The `whitelistforcerelay` option is used to relay transactions from
+  whitelisted peers even when not accepted to the mempool. This option
+  now defaults to being off, so that changes in policy and
+  disconnect/ban behavior will not cause a node that is whitelisting
+  another to be dropped by peers.  Users can still explicitly enable
+  this behavior with the command line option (and may want to consider
+  [contacting](https://bitcoincore.org/en/contact/) the Bitcoin Core
+  project to let us know about their use-case, as this feature could be
+  deprecated in the future).
+
+systemd init file
+-----------------
+
+The systemd init file (`contrib/init/bitcoind.service`) has been changed
+to use `/var/lib/bitcoind` as the data directory instead of
+`~bitcoin/.bitcoin`. This change makes Bitcoin Core more consistent with
+other services, and makes the systemd init config more consistent with
+existing Upstart and OpenRC configs.
+
+The configuration, PID, and data directories are now completely managed
+by systemd, which will take care of their creation, permissions, etc.
+See [`systemd.exec(5)`](https://www.freedesktop.org/software/systemd/man/systemd.exec.html#RuntimeDirectory=)
+for more details.
+
+When using the provided init files under `contrib/init`, overriding the
+`datadir` option in `/etc/bitcoin/bitcoin.conf` will have no effect.
+This is because the command line arguments specified in the init files
+take precedence over the options specified in
+`/etc/bitcoin/bitcoin.conf`.
+
+
+Documentation
+-------------
+
+- A new short [document](https://github.com/bitcoin/bitcoin/blob/master/doc/JSON-RPC-interface.md)
+  about the JSON-RPC interface describes cases where the results of an
+  RPC might contain inconsistencies between data sourced from different
+  subsystems, such as wallet state and mempool state.  A note is added
+  to the [REST interface documentation](https://github.com/bitcoin/bitcoin/blob/master/doc/REST-interface.md)
+  indicating that the same rules apply.
+
+- Further information is added to the [JSON-RPC
+  documentation](https://github.com/bitcoin/bitcoin/blob/master/doc/JSON-RPC-interface.md)
+  about how to secure this interface.
+
+- A new [document](https://github.com/bitcoin/bitcoin/blob/master/doc/bitcoin-conf.md)
+  about the `bitcoin.conf` file describes how to use it to configure
+  Bitcoin Core.
+
+- A new document introduces Bitcoin Core's BIP174 [Partially-Signed
+  Bitcoin Transactions
+  (PSBT)](https://github.com/bitcoin/bitcoin/blob/master/doc/psbt.md)
+  interface, which is used to allow multiple programs to collaboratively
+  work to create, sign, and broadcast new transactions.  This is useful
+  for offline (cold storage) wallets, multisig wallets, coinjoin
+  implementations, and many other cases where two or more programs need
+  to interact to generate a complete transaction.
+
+- The [output script
+  descriptor](https://github.com/bitcoin/bitcoin/blob/master/doc/descriptors.md)
+  documentation has been updated with information about new features in
+  this still-developing language for describing the output scripts that
+  a wallet or other program wants to receive notifications for, such as
+  which addresses it wants to know received payments.  The language is
+  currently used in multiple new and updated RPCs described in these
+  release notes and is expected to be adapted to other RPCs and to the
+  underlying wallet structure.
+
+Build system changes
+--------------------
+
+- A new `--disable-bip70` option may be passed to `./configure` to
+  prevent Bitcoin-Qt from being built with support for the BIP70 payment
+  protocol or from linking libssl.  As the payment protocol has exposed
+  Bitcoin Core to libssl vulnerabilities in the past, builders who don't
+  need BIP70 support are encouraged to use this option to reduce their
+  exposure to future vulnerabilities.
+
+- The minimum required version of Qt (when building the GUI) has been
+  increased from 5.2 to 5.5.1 (the [depends
+  system](https://github.com/bitcoin/bitcoin/blob/master/depends/README.md)
+  provides 5.9.7)
+
+New RPCs
+--------
+
+- `getnodeaddresses` returns peer addresses known to this node. It may
+  be used to find nodes to connect to without using a DNS seeder.
+
+- `listwalletdir` returns a list of wallets in the wallet directory
+  (either the default wallet directory or the directory configured by
+  the `-walletdir` parameter).
+
+- `getrpcinfo` returns runtime details of the RPC server. At the moment,
+  it returns an array of the currently active commands and how long
+  they've been running.
+
+- `deriveaddresses` returns one or more addresses corresponding to an
+  [output descriptor](https://github.com/bitcoin/bitcoin/blob/master/doc/descriptors.md).
+
+- `getdescriptorinfo` accepts a descriptor and returns information about
+  it, including its computed checksum.
+
+- `joinpsbts` merges multiple distinct PSBTs into a single PSBT. The
+  multiple PSBTs must have different inputs. The resulting PSBT will
+  contain every input and output from all of the PSBTs. Any signatures
+  provided in any of the PSBTs will be dropped.
+
+- `analyzepsbt` examines a PSBT and provides information about what
+  the PSBT contains and the next steps that need to be taken in order
+  to complete the transaction. For each input of a PSBT, `analyzepsbt`
+  provides information about what information is missing for that
+  input, including whether a UTXO needs to be provided, what pubkeys
+  still need to be provided, which scripts need to be provided, and
+  what signatures are still needed. Every input will also list which
+  role is needed to complete that input, and `analyzepsbt` will also
+  list the next role in general needed to complete the PSBT.
+  `analyzepsbt` will also provide the estimated fee rate and estimated
+  virtual size of the completed transaction if it has enough
+  information to do so.
+
+- `utxoupdatepsbt` searches the set of Unspent Transaction Outputs
+  (UTXOs) to find the outputs being spent by the partial transaction.
+  PSBTs need to have the UTXOs being spent to be provided because
+  the signing algorithm requires information from the UTXO being spent.
+  For segwit inputs, only the UTXO itself is necessary.  For
+  non-segwit outputs, the entire previous transaction is needed so
+  that signers can be sure that they are signing the correct thing.
+  Unfortunately, because the UTXO set only contains UTXOs and not full
+  transactions, `utxoupdatepsbt` will only add the UTXO for segwit
+  inputs.
+
+Updated RPCs
+------------
+
+Note: some low-level RPC changes mainly useful for testing are described
+in the Low-level Changes section below.
+
+- `getpeerinfo` now returns an additional `minfeefilter` field set to
+  the peer's BIP133 fee filter.  You can use this to detect that you
+  have peers that are willing to accept transactions below the default
+  minimum relay fee.
+
+- The mempool RPCs, such as `getrawmempool` with `verbose=true`, now
+  return an additional "bip125-replaceable" value indicating whether the
+  transaction (or its unconfirmed ancestors) opts-in to asking nodes and
+  miners to replace it with a higher-feerate transaction spending any of
+  the same inputs.
+
+- `settxfee` previously silently ignored attempts to set the fee below
+  the allowed minimums.  It now prints a warning.  The special value of
+  "0" may still be used to request the minimum value.
+
+- `getaddressinfo` now provides an `ischange` field indicating whether
+  the wallet used the address in a change output.
+
+- `importmulti` has been updated to support P2WSH, P2WPKH, P2SH-P2WPKH,
+  and P2SH-P2WSH. Requests for P2WSH and P2SH-P2WSH accept an additional
+  `witnessscript` parameter.
+
+- `importmulti` now returns an additional `warnings` field for each
+  request with an array of strings explaining when fields are being
+  ignored or are inconsistent, if there are any.
+
+- `getaddressinfo` now returns an additional `solvable` boolean field
+  when Bitcoin Core knows enough about the address's scriptPubKey,
+  optional redeemScript, and optional witnessScript in order for the
+  wallet to be able to generate an unsigned input spending funds sent to
+  that address.
+
+- The `getaddressinfo`, `listunspent`, and `scantxoutset` RPCs now
+  return an additional `desc` field that contains an output descriptor
+  containing all key paths and signing information for the address
+  (except for the private key).  The `desc` field is only returned for
+  `getaddressinfo` and `listunspent` when the address is solvable.
+
+- `importprivkey` will preserve previously-set labels for addresses or
+  public keys corresponding to the private key being imported.  For
+  example, if you imported a watch-only address with the label "cold
+  wallet" in earlier releases of Bitcoin Core, subsequently importing
+  the private key would default to resetting the address's label to the
+  default empty-string label ("").  In this release, the previous label
+  of "cold wallet" will be retained.  If you optionally specify any
+  label besides the default when calling `importprivkey`, the new label
+  will be applied to the address.
+
+- See the [Mining](#mining) section for changes to `getblocktemplate`.
+
+- `getmininginfo` now omits `currentblockweight` and `currentblocktx`
+  when a block was never assembled via RPC on this node.
+
+- The `getrawtransaction` RPC & REST endpoints no longer check the
+  unspent UTXO set for a transaction. The remaining behaviors are as
+  follows: 1. If a blockhash is provided, check the corresponding block.
+  2. If no blockhash is provided, check the mempool. 3. If no blockhash
+  is provided but txindex is enabled, also check txindex.
+
+- `unloadwallet` is now synchronous, meaning it will not return until
+  the wallet is fully unloaded.
+
+- `importmulti` now supports importing of addresses from descriptors. A
+  "desc" parameter can be provided instead of the "scriptPubKey" in a
+  request, as well as an optional range for ranged descriptors to
+  specify the start and end of the range to import. Descriptors with key
+  origin information imported through `importmulti` will have their key
+  origin information stored in the wallet for use with creating PSBTs.
+  More information about descriptors can be found
+  [here](https://github.com/bitcoin/bitcoin/blob/master/doc/descriptors.md).
+
+- `listunspent` has been modified so that it also returns
+  `witnessScript`, the witness script in the case of a P2WSH or
+  P2SH-P2WSH output.
+
+- `createwallet` now has an optional `blank` argument that can be used
+  to create a blank wallet. Blank wallets do not have any keys or HD
+  seed.  They cannot be opened in software older than 0.18. Once a blank
+  wallet has a HD seed set (by using `sethdseed`) or private keys,
+  scripts, addresses, and other watch only things have been imported,
+  the wallet is no longer blank and can be opened in 0.17.x. Encrypting
+  a blank wallet will also set a HD seed for it.
+
+Deprecated or removed RPCs
+--------------------------
+
+- `signrawtransaction` is removed after being deprecated and hidden
+  behind a special configuration option in version 0.17.0.
+
+- The 'account' API is removed after being deprecated in v0.17.  The
+  'label' API was introduced in v0.17 as a replacement for accounts.
+  See the [release notes from
+  v0.17](https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-0.17.0.md#label-and-account-apis-for-wallet)
+  for a full description of the changes from the 'account' API to the
+  'label' API.
+
+- `addwitnessaddress` is removed after being deprecated in version
+  0.16.0.
+
+- `generate` is deprecated and will be fully removed in a subsequent
+  major version.  This RPC is only used for testing, but its
+  implementation reached across multiple subsystems (wallet and mining),
+  so it is being deprecated to simplify the wallet-node interface.
+  Projects that are using `generate` for testing purposes should
+  transition to using the `generatetoaddress` RPC, which does not
+  require or use the wallet component. Calling `generatetoaddress` with
+  an address returned by the `getnewaddress` RPC gives the same
+  functionality as the old `generate` RPC.  To continue using `generate`
+  in this version, restart bitcoind with the `-deprecatedrpc=generate`
+  configuration option.
+
+- Be reminded that parts of the `validateaddress` command have been
+  deprecated and moved to `getaddressinfo`. The following deprecated
+  fields have moved to `getaddressinfo`: `ismine`, `iswatchonly`,
+  `script`, `hex`, `pubkeys`, `sigsrequired`, `pubkey`, `embedded`,
+  `iscompressed`, `label`, `timestamp`, `hdkeypath`, `hdmasterkeyid`.
+
+- The `addresses` field has been removed from the `validateaddress`
+  and `getaddressinfo` RPC methods.  This field was confusing since
+  it referred to public keys using their P2PKH address.  Clients
+  should use the `embedded.address` field for P2SH or P2WSH wrapped
+  addresses, and `pubkeys` for inspecting multisig participants.
+
+REST changes
+------------
+
+- A new `/rest/blockhashbyheight/` endpoint is added for fetching the
+  hash of the block in the current best blockchain based on its height
+  (how many blocks it is after the Genesis Block).
+
+Graphical User Interface (GUI)
+------------------------------
+
+- A new Window menu is added alongside the existing File, Settings, and
+  Help menus.  Several items from the other menus that opened new
+  windows have been moved to this new Window menu.
+
+- In the Send tab, the checkbox for "pay only the required fee" has been
+  removed.  Instead, the user can simply decrease the value in the
+  Custom Feerate field all the way down to the node's configured minimum
+  relay fee.
+
+- In the Overview tab, the watch-only balance will be the only balance
+  shown if the wallet was created using the `createwallet` RPC and the
+  `disable_private_keys` parameter was set to true.
+
+- The launch-on-startup option is no longer available on macOS if
+  compiled with macosx min version greater than 10.11 (use
+  CXXFLAGS="-mmacosx-version-min=10.11"
+  CFLAGS="-mmacosx-version-min=10.11" for setting the deployment sdk
+  version)
+
+Tools
+-----
+
+- A new `bitcoin-wallet` tool is now distributed alongside Bitcoin
+  Core's other executables.  Without needing to use any RPCs, this tool
+  can currently create a new wallet file or display some basic
+  information about an existing wallet, such as whether the wallet is
+  encrypted, whether it uses an HD seed, how many transactions it
+  contains, and how many address book entries it has.
+
+Planned changes
+===============
+
+This section describes planned changes to Bitcoin Core that may affect
+other Bitcoin software and services.
+
+- Since version 0.16.0, Bitcoin Core’s built-in wallet has defaulted to
+  generating P2SH-wrapped segwit addresses when users want to receive
+  payments. These addresses are backwards compatible with all
+  widely-used software.  Starting with Bitcoin Core 0.20 (expected about
+  a year after 0.18), Bitcoin Core will default to native segwit
+  addresses (bech32) that provide additional fee savings and other
+  benefits. Currently, many wallets and services already support sending
+  to bech32 addresses, and if the Bitcoin Core project sees enough
+  additional adoption, it will instead default to bech32 receiving
+  addresses in Bitcoin Core 0.19 (approximately November 2019).
+  P2SH-wrapped segwit addresses will continue to be provided if the user
+  requests them in the GUI or by RPC, and anyone who doesn’t want the
+  update will be able to configure their default address type.
+  (Similarly, pioneering users who want to change their default now may
+  set the `addresstype=bech32` configuration option in any Bitcoin Core
+  release from 0.16.0 up.)
+
+Deprecated P2P messages
+-----------------------
+
+- BIP 61 reject messages are now deprecated. Reject messages have no use
+  case on the P2P network and are only logged for debugging by most
+  network nodes. Furthermore, they increase bandwidth and can be harmful
+  for privacy and security. It has been possible to disable BIP 61
+  messages since v0.17 with the `-enablebip61=0` option. BIP 61 messages
+  will be disabled by default in a future version, before being removed
+  entirely.
+
+Low-level changes
+=================
+
+This section describes RPC changes mainly useful for testing, mostly not
+relevant in production. The changes are mentioned for completeness.
+
+RPC
+---
+
+- The `submitblock` RPC previously returned the reason a rejected block
+  was invalid the first time it processed that block, but returned a
+  generic "duplicate" rejection message on subsequent occasions it
+  processed the same block.  It now always returns the fundamental
+  reason for rejecting an invalid block and only returns "duplicate" for
+  valid blocks it has already accepted.
+
+- A new `submitheader` RPC allows submitting block headers independently
+  from their block.  This is likely only useful for testing.
+
+- The `signrawtransactionwithkey` and `signrawtransactionwithwallet`
+  RPCs have been modified so that they also optionally accept a
+  `witnessScript`, the witness script in the case of a P2WSH or
+  P2SH-P2WSH output. This is compatible with the change to
+  `listunspent`.
+
+- For the `walletprocesspsbt` and `walletcreatefundedpsbt` RPCs, if the
+  `bip32derivs` parameter is set to true but the key metadata for a
+  public key has not been updated yet, then that key will have a
+  derivation path as if it were just an independent key (i.e. no
+  derivation path and its master fingerprint is itself).
+
+Configuration
+-------------
+
+- The `-usehd` configuration option was removed in version 0.16. From
+  that version onwards, all new wallets created are hierarchical
+  deterministic wallets. This release makes specifying `-usehd` an
+  invalid configuration option.
+
+Network
+-------
+
+- This release allows peers that your node automatically disconnected
+  for misbehavior (e.g. sending invalid data) to reconnect to your node
+  if you have unused incoming connection slots.  If your slots fill up,
+  a misbehaving node will be disconnected to make room for nodes without
+  a history of problems (unless the misbehaving node helps your node in
+  some other way, such as by connecting to a part of the Internet from
+  which you don't have many other peers).  Previously, Bitcoin Core
+  banned the IP addresses of misbehaving peers for a period of time
+  (default of 1 day); this was easily circumvented by attackers with
+  multiple IP addresses. If you manually ban a peer, such as by using
+  the `setban` RPC, all connections from that peer will still be
+  rejected.
+
+Wallet
+-------
+
+- The key metadata will need to be upgraded the first time that the HD
+  seed is available.  For unencrypted wallets this will occur on wallet
+  loading.  For encrypted wallets this will occur the first time the
+  wallet is unlocked.
+
+- Newly encrypted wallets will no longer require restarting the
+  software. Instead such wallets will be completely unloaded and
+  reloaded to achieve the same effect.
+
+- A sub-project of Bitcoin Core now provides Hardware Wallet Interaction
+  (HWI) scripts that allow command-line users to use several popular
+  hardware key management devices with Bitcoin Core.  See their [project
+  page](https://github.com/bitcoin-core/HWI#readme) for details.
+
+Security
+--------
+
+- This release changes the Random Number Generator (RNG) used from
+  OpenSSL to Bitcoin Core's own implementation, although entropy
+  gathered by Bitcoin Core is fed out to OpenSSL and then read back in
+  when the program needs strong randomness. This moves Bitcoin Core a
+  little closer to no longer needing to depend on OpenSSL, a dependency
+  that has caused security issues in the past.  The new implementation
+  gathers entropy from multiple sources, including from hardware
+  supporting the rdseed CPU instruction.
+
+Changes for particular platforms
+--------------------------------
+
+- On macOS, Bitcoin Core now opts out of application CPU throttling
+  ("app nap") during initial blockchain download, when catching up from
+  over 100 blocks behind the current chain tip, or when reindexing chain
+  data. This helps prevent these operations from taking an excessively
+  long time because the operating system is attempting to conserve
+  power.
+
+0.18.0 change log
+=================
+
+### Consensus
+- #14247 Fix crash bug with duplicate inputs within a transaction (TheBlueMatt)
+
+### Mining
+- #14811 Mining: Enforce that segwit option must be set in GBT (jnewbery)
+
+### Block and transaction handling
+- #13310 Report progress in ReplayBlocks while rolling forward (promag)
+- #13783 validation: Pass tx pool reference into CheckSequenceLocks (MarcoFalke)
+- #14834 validation: Assert that pindexPrev is non-null when required (kallewoof)
+- #14085 index: Fix for indexers skipping genesis block (jimpo)
+- #14963 mempool, validation: Explain `cs_main` locking semantics (MarcoFalke)
+- #15193 Default `-whitelistforcerelay` to off (sdaftuar)
+- #15429 Update `assumevalid`, `minimumchainwork`, and `getchaintxstats` to height 563378 (gmaxwell)
+- #15552 Granular invalidateblock and RewindBlockIndex (MarcoFalke)
+- #14841 Move CheckBlock() call to critical section (hebasto)
+
+### P2P protocol and network code
+- #14025 Remove dead code for nVersion=10300 (MarcoFalke)
+- #12254 BIP 158: Compact Block Filters for Light Clients (jimpo)
+- #14073 blockfilter: Avoid out-of-bounds script access (jimpo)
+- #14140 Switch nPrevNodeCount to vNodesSize (pstratem)
+- #14027 Skip stale tip checking if outbound connections are off or if reindexing (gmaxwell)
+- #14532 Never bind `INADDR_ANY` by default, and warn when doing so explicitly (luke-jr)
+- #14733 Make peer timeout configurable, speed up very slow test and ensure correct code path tested (zallarak)
+- #14336 Implement poll (pstratem)
+- #15051 IsReachable is the inverse of IsLimited (DRY). Includes unit tests (mmachicao)
+- #15138 Drop IsLimited in favor of IsReachable (Empact)
+- #14605 Return of the Banman (dongcarl)
+- #14970 Add dnsseed.emzy.de to DNS seeds (Emzy)
+- #14929 Allow connections from misbehavior banned peers (gmaxwell)
+- #15345 Correct comparison of addr count (dongcarl)
+- #15201 Add missing locking annotation for vNodes. vNodes is guarded by cs_vNodes (practicalswift)
+- #14626 Select orphan transaction uniformly for eviction (sipa)
+- #15486 Ensure tried collisions resolve, and allow feeler connections to existing outbound netgroups (sdaftuar)
+
+### Wallet
+- #13962 Remove unused `dummy_tx` variable from FillPSBT (dongcarl)
+- #13967 Don't report `minversion` wallet entry as unknown (instagibbs)
+- #13988 Add checks for settxfee reasonableness (ajtowns)
+- #12559 Avoid locking `cs_main` in some wallet RPC (promag)
+- #13631 Add CMerkleTx::IsImmatureCoinBase method (Empact)
+- #14023 Remove accounts RPCs (jnewbery)
+- #13825 Kill accounts (jnewbery)
+- #10605 Add AssertLockHeld assertions in CWallet::ListCoins (ryanofsky)
+- #12490 Remove deprecated wallet rpc features from `bitcoin_server` (jnewbery)
+- #14138 Set `encrypted_batch` to nullptr after delete. Avoid double free in the case of NDEBUG (practicalswift)
+- #14168 Remove `ENABLE_WALLET` from `libbitcoin_server.a` (jnewbery)
+- #12493 Reopen CDBEnv after encryption instead of shutting down (achow101)
+- #14282 Remove `-usehd` option (jnewbery)
+- #14146 Remove trailing separators from `-walletdir` arg (PierreRochard)
+- #14291 Add ListWalletDir utility function (promag)
+- #14468 Deprecate `generate` RPC method (jnewbery)
+- #11634 Add missing `cs_wallet`/`cs_KeyStore` locks to wallet (practicalswift)
+- #14296 Remove `addwitnessaddress` (jnewbery)
+- #14451 Add BIP70 deprecation warning and allow building GUI without BIP70 support (jameshilliard)
+- #14320 Fix duplicate fileid detection (ken2812221)
+- #14561 Remove `fs::relative` call and fix listwalletdir tests (promag)
+- #14454 Add SegWit support to importmulti (MeshCollider)
+- #14410 rpcwallet: `ischange` field for `getaddressinfo` RPC (mrwhythat)
+- #14350 Add WalletLocation class (promag)
+- #14689 Require a public key to be retrieved when signing a P2PKH input (achow101)
+- #14478 Show error to user when corrupt wallet unlock fails (MeshCollider)
+- #14411 Restore ability to list incoming transactions by label (ryanofsky)
+- #14552 Detect duplicate wallet by comparing the db filename (ken2812221)
+- #14678 Remove redundant KeyOriginInfo access, already done in CreateSig (instagibbs)
+- #14477 Add ability to convert solvability info to descriptor (sipa)
+- #14380 Fix assert crash when specified change output spend size is unknown (instagibbs)
+- #14760 Log env path in `BerkeleyEnvironment::Flush` (promag)
+- #14646 Add expansion cache functions to descriptors (unused for now) (sipa)
+- #13076 Fix ScanForWalletTransactions to return an enum indicating scan result: `success` / `failure` / `user_abort` (Empact)
+- #14821 Replace CAffectedKeysVisitor with descriptor based logic (sipa)
+- #14957 Initialize `stop_block` in CWallet::ScanForWalletTransactions (Empact)
+- #14565 Overhaul `importmulti` logic (sipa)
+- #15039 Avoid leaking nLockTime fingerprint when anti-fee-sniping (MarcoFalke)
+- #14268 Introduce SafeDbt to handle Dbt with free or `memory_cleanse` raii-style (Empact)
+- #14711 Remove uses of chainActive and mapBlockIndex in wallet code (ryanofsky)
+- #15279 Clarify rescanblockchain doc (MarcoFalke)
+- #15292 Remove `boost::optional`-related false positive -Wmaybe-uninitialized warnings on GCC compiler (hebasto)
+- #13926 [Tools] bitcoin-wallet - a tool for creating and managing wallets offline (jnewbery)
+- #11911 Free BerkeleyEnvironment instances when not in use (ryanofsky)
+- #15235 Do not import private keys to wallets with private keys disabled (achow101)
+- #15263 Descriptor expansions only need pubkey entries for PKH/WPKH (sipa)
+- #15322 Add missing `cs_db` lock (promag)
+- #15297 Releases dangling files on `BerkeleyEnvironment::Close` (promag)
+- #14491 Allow descriptor imports with importmulti (MeshCollider)
+- #15365 Add lock annotation for mapAddressBook (MarcoFalke)
+- #15226 Allow creating blank (empty) wallets (alternative) (achow101)
+- #15390 [wallet-tool] Close bdb when flushing wallet (jnewbery)
+- #15334 Log absolute paths for the wallets (hebasto)
+- #14978 Factor out PSBT utilities from RPCs for use in GUI code; related refactoring (gwillen)
+- #14481 Add P2SH-P2WSH support to listunspent RPC (MeshCollider)
+- #14021 Import key origin data through descriptors in importmulti (achow101)
+- #14075 Import watch only pubkeys to the keypool if private keys are disabled (achow101)
+- #15368 Descriptor checksums (sipa)
+- #15433 Use a single wallet batch for `UpgradeKeyMetadata` (jonasschnelli)
+- #15408 Remove unused `TransactionError` constants (MarcoFalke)
+- #15583 Log and ignore errors in ListWalletDir and IsBerkeleyBtree (promag)
+- #14195 Pass privkey export DER compression flag correctly (fingera)
+- #15299 Fix assertion in `CKey::SignCompact` (promag)
+- #14437 Start to separate wallet from node (ryanofsky)
+- #15749 Fix: importmulti only imports origin info for PKH outputs (sipa)
+
+### RPC and other APIs
+- #12842 Prevent concurrent `savemempool` (promag)
+- #13987 Report `minfeefilter` value in `getpeerinfo` RPC (ajtowns)
+- #13891 Remove getinfo deprecation warning (jnewbery)
+- #13399 Add `submitheader` (MarcoFalke)
+- #12676 Show `bip125-replaceable` flag, when retrieving mempool entries (dexX7)
+- #13723 PSBT key path cleanups (sipa)
+- #14008 Preserve a format of RPC command definitions (kostyantyn)
+- #9332 Let wallet `importmulti` RPC accept labels for standard scriptPubKeys (ryanofsky)
+- #13983 Return more specific reject reason for submitblock (MarcoFalke)
+- #13152 Add getnodeaddresses RPC command (chris-belcher)
+- #14298 rest: Improve performance for JSON calls (alecalve)
+- #14297 Remove warning for removed estimatefee RPC (jnewbery)
+- #14373 Consistency fixes for RPC descriptions (ch4ot1c)
+- #14150 Add key origin support to descriptors (sipa)
+- #14518 Always throw in getblockstats if `-txindex` is required (promag)
+- #14060 ZMQ: add options to configure outbound message high water mark, aka SNDHWM (mruddy)
+- #13381 Add possibility to preserve labels on importprivkey (marcoagner)
+- #14530 Use `RPCHelpMan` to generate RPC doc strings (MarcoFalke)
+- #14720 Correctly name RPC arguments (MarcoFalke)
+- #14726 Use `RPCHelpMan` for all RPCs (MarcoFalke)
+- #14796 Pass argument descriptions to `RPCHelpMan` (MarcoFalke)
+- #14670 http: Fix HTTP server shutdown (promag)
+- #14885 Assert that named arguments are unique in `RPCHelpMan` (promag)
+- #14877 Document default values for optional arguments (MarcoFalke)
+- #14875 RPCHelpMan: Support required arguments after optional ones (MarcoFalke)
+- #14993 Fix data race (UB) in InterruptRPC() (practicalswift)
+- #14653 rpcwallet: Add missing transaction categories to RPC helptexts (andrewtoth)
+- #14981 Clarify RPC `getrawtransaction`'s time help text (benthecarman)
+- #12151 Remove `cs_main` lock from blockToJSON and blockheaderToJSON (promag)
+- #15078 Document `bytessent_per_msg` and `bytesrecv_per_msg` (MarcoFalke)
+- #15057 Correct `reconsiderblock `help text, add test (MarcoFalke)
+- #12153 Avoid permanent `cs_main` lock in `getblockheader` (promag)
+- #14982 Add `getrpcinfo` command (promag)
+- #15122 Expand help text for `importmulti` changes (jnewbery)
+- #15186 remove duplicate solvable field from `getaddressinfo` (fanquake)
+- #15209 zmq: log outbound message high water mark when reusing socket (fanquake)
+- #15177 rest: Improve tests and documention of /headers and /block (promag)
+- #14353 rest: Add blockhash call, fetch blockhash by height (jonasschnelli)
+- #15248 Compile on GCC4.8 (MarcoFalke)
+- #14987 RPCHelpMan: Pass through Result and Examples (MarcoFalke)
+- #15159 Remove lookup to UTXO set from GetTransaction (amitiuttarwar)
+- #15245 remove deprecated mentions of signrawtransaction from fundraw help (instagibbs)
+- #14667 Add `deriveaddresses` RPC util method (Sjors)
+- #15357 Don't ignore `-maxtxfee` when wallet is disabled (JBaczuk)
+- #15337 Fix for segfault if combinepsbt called with empty inputs (benthecarman)
+- #14918 RPCHelpMan: Check default values are given at compile-time (MarcoFalke)
+- #15383 mining: Omit uninitialized currentblockweight, currentblocktx (MarcoFalke)
+- #13932 Additional utility RPCs for PSBT (achow101)
+- #15401 Actually throw help when passed invalid number of params (MarcoFalke)
+- #15471 rpc/gui: Remove 'Unknown block versions being mined' warning (laanwj)
+- #15497 Consistent range arguments in scantxoutset/importmulti/deriveaddresses (sipa)
+- #15510 deriveaddresses: add range to CRPCConvertParam (Sjors)
+- #15582 Fix overflow bug in analyzepsbt fee: CAmount instead of int (sipa)
+- #13424 Consistently validate txid / blockhash length and encoding in rpc calls (Empact)
+- #15750 Remove the addresses field from the getaddressinfo return object (jnewbery)
+
+### GUI
+- #13634 Compile `boost::signals2` only once (MarcoFalke)
+- #13248 Make proxy icon from statusbar clickable (mess110)
+- #12818 TransactionView: highlight replacement tx after fee bump (Sjors)
+- #13529 Use new Qt5 connect syntax (promag)
+- #14162 Also log and print messages or questions like bitcoind (MarcoFalke)
+- #14385 Avoid system harfbuzz and bz2 (theuni)
+- #14450 Fix QCompleter popup regression (hebasto)
+- #14177 Set C locale for amountWidget (hebasto)
+- #14374 Add `Blocksdir` to Debug window (hebasto)
+- #14554 Remove unused `adjustedTime` parameter (hebasto)
+- #14228 Enable system tray icon by default if available (hebasto)
+- #14608 Remove the "Pay only required fee…" checkbox (hebasto)
+- #14521 qt, docs: Fix `bitcoin-qt -version` output formatting (hebasto)
+- #13966 When private key is disabled, only show watch-only balance (ken2812221)
+- #14828 Remove hidden columns in coin control dialog (promag)
+- #14783 Fix `boost::signals2::no_slots_error` in early calls to InitWarning (promag)
+- #14854 Cleanup SplashScreen class (hebasto)
+- #14801 Use window() instead of obsolete topLevelWidget() (hebasto)
+- #14573 Add Window menu (promag)
+- #14979 Restore < Qt5.6 compatibility for addAction (jonasschnelli)
+- #14975 Refactoring with QString::toNSString() (hebasto)
+- #15000 Fix broken notificator on GNOME (hebasto)
+- #14375 Correct misleading "overridden options" label (hebasto)
+- #15007 Notificator class refactoring (hebasto)
+- #14784 Use `WalletModel*` instead of the wallet name as map key (promag)
+- #11625 Add BitcoinApplication & RPCConsole tests (ryanofsky)
+- #14517 Fix start with the `-min` option (hebasto)
+- #13216 implements concept for different disk sizes on intro (marcoagner)
+- #15114 Replace remaining 0 with nullptr (Empact)
+- #14594 Fix minimized window bug on Linux (hebasto)
+- #14556 Fix confirmed transaction labeled "open" (#13299) (hebasto)
+- #15149 Show current wallet name in window title (promag)
+- #15136 "Peers" tab overhaul (hebasto)
+- #14250 Remove redundant stopThread() and stopExecutor() signals (hebasto)
+- #15040 Add workaround for QProgressDialog bug on macOS (hebasto)
+- #15101 Add WalletController (promag)
+- #15178 Improve "help-console" message (hebasto)
+- #15210 Fix window title update (promag)
+- #15167 Fix wallet selector size adjustment (hebasto)
+- #15208 Remove macOS launch-at-startup when compiled with > macOS 10.11, fix memory mismanagement (jonasschnelli)
+- #15163 Correct units for "-dbcache" and "-prune" (hebasto)
+- #15225 Change the receive button to respond to keypool state changing (achow101)
+- #15280 Fix shutdown order (promag)
+- #15203 Fix issue #9683 "gui, wallet: random abort (segmentation fault) (dooglus)
+- #15091 Fix model overlay header sync (jonasschnelli)
+- #15153 Add Open Wallet menu (promag)
+- #15183 Fix `m_assumed_blockchain_size` variable value (marcoagner)
+- #15063 If BIP70 is disabled, attempt to fall back to BIP21 parsing (luke-jr)
+- #15195 Add Close Wallet action (promag)
+- #15462 Fix async open wallet call order (promag)
+- #15801 Bugfix: GUI: Options: Initialise prune setting range before loading current value, and remove upper bound limit (luke-jr)
+
+### Build system
+- #13955 gitian: Bump descriptors for (0.)18 (fanquake)
+- #13899 Enable -Wredundant-decls where available. Remove redundant redeclarations (practicalswift)
+- #13665 Add RISC-V support to gitian (ken2812221)
+- #14062 Generate MSVC project files via python script (ken2812221)
+- #14037 Add README.md to linux release tarballs (hebasto)
+- #14183 Remove unused Qt 4 dependencies (ken2812221)
+- #14127 Avoid getifaddrs when unavailable (greenaddress)
+- #14184 Scripts and tools: increased timeout downloading (cisba)
+- #14204 Move `interfaces/*` to `libbitcoin_server` (laanwj)
+- #14208 Actually remove `ENABLE_WALLET` (jnewbery)
+- #14212 Remove libssl from LDADD unless GUI (MarcoFalke)
+- #13578 Upgrade zeromq to 4.2.5 and avoid deprecated zeromq API functions (mruddy)
+- #14281 lcov: filter /usr/lib/ from coverage reports (MarcoFalke)
+- #14325 gitian: Use versioned unsigned tarballs instead of generically named ones (achow101)
+- #14253 During 'make clean', remove some files that are currently missed (murrayn)
+- #14455 Unbreak `make clean` (jamesob)
+- #14495 Warn (don't fail!) on spelling errors (practicalswift)
+- #14496 Pin to specific versions of Python packages we install from PyPI in Travis (practicalswift)
+- #14568 Fix Qt link order for Windows build (ken2812221)
+- #14252 Run functional tests and benchmarks under the undefined behaviour sanitizer (UBSan) (practicalswift)
+- #14612 Include full version number in released file names (achow101)
+- #14840 Remove duplicate libconsensus linking in test make (AmirAbrams)
+- #14564 Adjust configure so that only BIP70 is disabled when protobuf is missing instead of the GUI (jameshilliard)
+- #14883 Add `--retry 5` to curl opts in `install_db4.sh` (qubenix)
+- #14701 Add `CLIENT_VERSION_BUILD` to CFBundleGetInfoString (fanquake)
+- #14849 Qt 5.9.7 (fanquake)
+- #15020 Add names to Travis jobs (gkrizek)
+- #15047 Allow to configure --with-sanitizers=fuzzer (MarcoFalke)
+- #15154 Configure: bitcoin-tx doesn't need libevent, so don't pull it in (luke-jr)
+- #15175 Drop macports support (Empact)
+- #15308 Restore compatibility with older boost (Empact)
+- #15407 msvc: Fix silent merge conflict between #13926 and #14372 part II (ken2812221)
+- #15388 Makefile.am: add rule for src/bitcoin-wallet (Sjors)
+- #15393 Bump minimum Qt version to 5.5.1 (Sjors)
+- #15285 Prefer Python 3.4 even if newer versions are present on the system (Sjors)
+- #15398 msvc: Add rapidcheck property tests (ken2812221)
+- #15431 msvc: scripted-diff: Remove NDEBUG pre-define in project file (ken2812221)
+- #15549 gitian: Improve error handling (laanwj)
+- #15548 use full version string in setup.exe (MarcoFalke)
+- #11526 Visual Studio build configuration for Bitcoin Core (sipsorcery)
+- #15110 build\_msvc: Fix the build problem in `libbitcoin_server` (Mr-Leshiy)
+- #14372 msvc: build secp256k1 and leveldb locally (ken2812221)
+- #15325 msvc: Fix silent merge conflict between #13926 and #14372 (ken2812221)
+- #15391 Add compile time verification of assumptions we're currently making implicitly/tacitly (practicalswift)
+- #15503 msvc: Use a single file to specify the include path (ken2812221)
+- #13765 contrib: Add gitian build support for github pull request (ken2812221)
+- #15809 gitignore: plist and dat (jamesob)
+
+### Tests and QA
+- #15405 appveyor: Clean cache when build configuration changes (Sjors)
+- #13953 Fix deprecation in bitcoin-util-test.py (isghe)
+- #13963 Replace usage of tostring() with tobytes() (dongcarl)
+- #13964 ci: Add appveyor ci (ken2812221)
+- #13997 appveyor: fetch the latest port data (ken2812221)
+- #13707 Add usage note to check-rpc-mappings.py (masonicboom)
+- #14036 travis: Run unit tests --with-sanitizers=undefined (MarcoFalke)
+- #13861 Add testing of `value_ret` for SelectCoinsBnB (Empact)
+- #13863 travis: Move script sections to files in `.travis/` subject to shellcheck (scravy)
+- #14081 travis: Fix missing differentiation between unit and functional tests (scravy)
+- #14042 travis: Add cxxflags=-wno-psabi at arm job (ken2812221)
+- #14051 Make `combine_logs.py` handle multi-line logs (jnewbery)
+- #14093 Fix accidental trunction from int to bool (practicalswift)
+- #14108 Add missing locking annotations and locks (`g_cs_orphans`) (practicalswift)
+- #14088 Don't assert(…) with side effects (practicalswift)
+- #14086 appveyor: Use clcache to speed up build (ken2812221)
+- #13954 Warn (don't fail!) on spelling errors. Fix typos reported by codespell (practicalswift)
+- #12775 Integration of property based testing into Bitcoin Core (Christewart)
+- #14119 Read reject reasons from debug log, not P2P messages (MarcoFalke)
+- #14189 Fix silent merge conflict in `wallet_importmulti` (MarcoFalke)
+- #13419 Speed up `knapsack_solver_test` by not recreating wallet 100 times (lucash-dev)
+- #14199 Remove redundant BIP174 test from `rpc_psbt.json` (araspitzu)
+- #14179 Fixups to "Run all tests even if wallet is not compiled" (MarcoFalke)
+- #14225 Reorder tests and move most of extended tests up to normal tests (ken2812221)
+- #14236 `generate` --> `generatetoaddress` change to allow tests run without wallet (sanket1729)
+- #14287 Use MakeUnique to construct objects owned by `unique_ptrs` (practicalswift)
+- #14007 Run functional test on Windows and enable it on Appveyor (ken2812221)
+- #14275 Write the notification message to different files to avoid race condition in `feature_notifications.py` (ken2812221)
+- #14306 appveyor: Move AppVeyor YAML to dot-file-style YAML (MitchellCash)
+- #14305 Enforce critical class instance attributes in functional tests, fix segwit test specificity (JustinTArthur)
+- #12246 Bugfix: Only run bitcoin-tx tests when bitcoin-tx is enabled (luke-jr)
+- #14316 Exclude all tests with difference parameters in `--exclude` list (ken2812221)
+- #14381 Add missing call to `skip_if_no_cli()` (practicalswift)
+- #14389 travis: Set codespell version to avoid breakage (MarcoFalke)
+- #14398 Don't access out of bounds array index: array[sizeof(array)] (Empact)
+- #14419 Remove `rpc_zmq.py` (jnewbery)
+- #14241 appveyor: Script improvement (ken2812221)
+- #14413 Allow closed RPC handler in `assert_start_raises_init_error` (ken2812221)
+- #14324 Run more tests with wallet disabled (MarcoFalke)
+- #13649 Allow arguments to be forwarded to flake8 in lint-python.sh (jamesob)
+- #14465 Stop node before removing the notification file (ken2812221)
+- #14460 Improve 'CAmount' tests (hebasto)
+- #14456 forward timeouts properly in `send_blocks_and_test` (jamesob)
+- #14527 Revert "Make qt wallet test compatible with qt4" (MarcoFalke)
+- #14504 Show the progress of functional tests (isghe)
+- #14559 appveyor: Enable multiwallet tests (ken2812221)
+- #13515 travis: Enable qt for all jobs (ken2812221)
+- #14571 Test that nodes respond to `getdata` with `notfound` (MarcoFalke)
+- #14569 Print dots by default in functional tests (ken2812221)
+- #14631 Move deterministic address import to `setup_nodes` (jnewbery)
+- #14630 test: Remove travis specific code (MarcoFalke)
+- #14528 travis: Compile once on xenial (MarcoFalke)
+- #14092 Dry run `bench_bitcoin` as part `make check` to allow for quick identification of assertion/sanitizer failures in benchmarking code (practicalswift)
+- #14664 `example_test.py`: fixup coinbase height argument, derive number clearly (instagibbs)
+- #14522 Add invalid P2P message tests (jamesob)
+- #14619 Fix value display name in `test_runner` help text (merland)
+- #14672 Send fewer spam messages in `p2p_invalid_messages` (jamesob)
+- #14673 travis: Fail the ubsan travis build in case of newly introduced ubsan errors (practicalswift)
+- #14665 appveyor: Script improvement part II (ken2812221)
+- #14365 Add Python dead code linter (vulture) to Travis (practicalswift)
+- #14693 `test_node`: `get_mem_rss` fixups (MarcoFalke)
+- #14714 util.h: explicitly include required QString header (1Il1)
+- #14705 travis: Avoid timeout on verify-commits check (MarcoFalke)
+- #14770 travis: Do not specify sudo in `.travis` (scravy)
+- #14719 Check specific reject reasons in `feature_block` (MarcoFalke)
+- #14771 Add `BOOST_REQUIRE` to getters returning optional (MarcoFalke)
+- #14777 Add regtest for JSON-RPC batch calls (domob1812)
+- #14764 travis: Run thread sanitizer on unit tests (MarcoFalke)
+- #14400 Add Benchmark to test input de-duplication worst case (JeremyRubin)
+- #14812 Fix `p2p_invalid_messages` on macOS (jamesob)
+- #14813 Add `wallet_encryption` error tests (MarcoFalke)
+- #14820 Fix `descriptor_tests` not checking ToString output of public descriptors (ryanofsky)
+- #14794 Add AddressSanitizer (ASan) Travis build (practicalswift)
+- #14819 Bugfix: `test/functional/mempool_accept`: Ensure oversize transaction is actually oversize (luke-jr)
+- #14822 bench: Destroy wallet txs instead of leaking their memory (MarcoFalke)
+- #14683 Better `combine_logs.py` behavior (jamesob)
+- #14231 travis: Save cache even when build or test fail (ken2812221)
+- #14816 Add CScriptNum decode python implementation in functional suite (instagibbs)
+- #14861 Modify `rpc_bind` to conform to #14532 behaviour (dongcarl)
+- #14864 Run scripted-diff in subshell (dongcarl)
+- #14795 Allow `test_runner` command line to receive parameters for each test (marcoagner)
+- #14788 Possible fix the permission error when the tests open the cookie file (ken2812221)
+- #14857 `wallet_keypool_topup.py`: Test for all keypool address types (instagibbs)
+- #14886 Refactor importmulti tests (jnewbery)
+- #14908 Removed implicit CTransaction constructor calls from tests and benchmarks (lucash-dev)
+- #14903 Handle ImportError explicitly, improve comparisons against None (daniel-s-ingram)
+- #14884 travis: Enforce python 3.4 support through linter (Sjors)
+- #14940 Add test for truncated pushdata script (MarcoFalke)
+- #14926 consensus: Check that final transactions are valid (MarcoFalke)
+- #14937 travis: Fix travis would always be green even if it fail (ken2812221)
+- #14953 Make `g_insecure_rand_ctx` `thread_local` (MarcoFalke)
+- #14931 mempool: Verify prioritization is dumped correctly (MarcoFalke)
+- #14935 Test for expected return values when calling functions returning a success code (practicalswift)
+- #14969 Fix `cuckoocache_tests` TSAN failure introduced in 14935 (practicalswift)
+- #14964 Fix race in `mempool_accept` (MarcoFalke)
+- #14829 travis: Enable functional tests in the threadsanitizer (tsan) build job (practicalswift)
+- #14985 Remove `thread_local` from `test_bitcoin` (MarcoFalke)
+- #15005 Bump timeout to run tests in travis thread sanitizer (MarcoFalke)
+- #15013 Avoid race in `p2p_timeouts` (MarcoFalke)
+- #14960 lint/format-strings: Correctly exclude escaped percent symbols (luke-jr)
+- #14930 pruning: Check that verifychain can be called when pruned (MarcoFalke)
+- #15022 Upgrade Travis OS to Xenial (gkrizek)
+- #14738 Fix running `wallet_listtransactions.py` individually through `test_runner.py` (kristapsk)
+- #15026 Rename `rpc_timewait` to `rpc_timeout` (MarcoFalke)
+- #15069 Fix `rpc_net.py` `pong` race condition (Empact)
+- #14790 Allow running `rpc_bind.py` --nonloopback test without IPv6 (kristapsk)
+- #14457 add invalid tx templates for use in functional tests (jamesob)
+- #14855 Correct ineffectual WithOrVersion from `transactions_tests` (Empact)
+- #15099 Use `std::vector` API for construction of test data (domob1812)
+- #15102 Run `invalid_txs.InputMissing` test in `feature_block` (MarcoFalke)
+- #15059 Add basic test for BIP34 (MarcoFalke)
+- #15108 Tidy up `wallet_importmulti.py` (amitiuttarwar)
+- #15164 Ignore shellcheck warning SC2236 (promag)
+- #15170 refactor/lint: Add ignored shellcheck suggestions to an array (koalaman)
+- #14958 Remove race between connecting and shutdown on separate connections (promag)
+- #15166 Pin shellcheck version (practicalswift)
+- #15196 Update all `subprocess.check_output` functions to be Python 3.4 compatible (gkrizek)
+- #15043 Build fuzz targets into seperate executables (MarcoFalke)
+- #15276 travis: Compile once on trusty (MarcoFalke)
+- #15246 Add tests for invalid message headers (MarcoFalke)
+- #15301 When testing with --usecli, unify RPC arg to cli arg conversion and handle dicts and lists (achow101)
+- #15247 Use wallet to retrieve raw transactions (MarcoFalke)
+- #15303 travis: Remove unused `functional_tests_config` (MarcoFalke)
+- #15330 Fix race in `p2p_invalid_messages` (MarcoFalke)
+- #15324 Make bloom tests deterministic (MarcoFalke)
+- #15328 travis: Revert "run extended tests once daily" (MarcoFalke)
+- #15327 Make test `updatecoins_simulation_test` deterministic (practicalswift)
+- #14519 add utility to easily profile node performance with perf (jamesob)
+- #15349 travis: Only exit early if compilation took longer than 30 min (MarcoFalke)
+- #15350 Drop RPC connection if --usecli (promag)
+- #15370 test: Remove unused --force option (MarcoFalke)
+- #14543 minor `p2p_sendheaders` fix of height in coinbase (instagibbs)
+- #13787 Test for Windows encoding issue (ken2812221)
+- #15378 Added missing tests for RPC wallet errors (benthecarman)
+- #15238 remove some magic mining constants in functional tests (instagibbs)
+- #15411 travis: Combine --disable-bip70 into existing job (MarcoFalke)
+- #15295 fuzz: Add `test/fuzz/test_runner.py` and run it in travis (MarcoFalke)
+- #15413 Add missing `cs_main` locks required when accessing pcoinsdbview, pcoinsTip or pblocktree (practicalswift)
+- #15399 fuzz: Script validation flags (MarcoFalke)
+- #15410 txindex: interrupt threadGroup before calling destructor (MarcoFalke)
+- #15397 Remove manual byte editing in `wallet_tx_clone` func test (instagibbs)
+- #15415 functional: allow custom cwd, use tmpdir as default (Sjors)
+- #15404 Remove `-txindex` to start nodes (amitiuttarwar)
+- #15439 remove `byte.hex()` to keep compatibility (AkioNak)
+- #15419 Always refresh cache to be out of ibd (MarcoFalke)
+- #15507 Bump timeout on tests that timeout on windows (MarcoFalke)
+- #15506 appveyor: fix cache issue and reduce dependencies build time (ken2812221)
+- #15485 add `rpc_misc.py`, mv test getmemoryinfo, add test mallocinfo (adamjonas)
+- #15321 Add `cs_main` lock annotations for mapBlockIndex (MarcoFalke)
+- #14128 lint: Make sure we read the command line inputs using UTF-8 decoding in python (ken2812221)
+- #14115 lint: Make all linters work under the default macos dev environment (build-osx.md) (practicalswift)
+- #15219 lint: Enable python linters via an array (Empact)
+
+### Platform support
+- #13866 utils: Use `_wfopen` and `_wfreopen` on windows (ken2812221)
+- #13886 utils: Run commands using UTF-8 string on windows (ken2812221)
+- #14192 utils: Convert `fs::filesystem_error` messages from local multibyte to UTF-8 on windows (ken2812221)
+- #13877 utils: Make fs::path::string() always return UTF-8 string on windows (ken2812221)
+- #13883 utils: Convert windows args to UTF-8 string (ken2812221)
+- #13878 utils: Add fstream wrapper to allow to pass unicode filename on windows (ken2812221)
+- #14426 utils: Fix broken windows filelock (ken2812221)
+- #14686 Fix windows build error if `--disable-bip70` (ken2812221)
+- #14922 windows: Set `_WIN32_WINNT` to 0x0601 (Windows 7) (ken2812221)
+- #13888 Call unicode API on Windows (ken2812221)
+- #15468 Use `fsbridge::ifstream` to fix Windows path issue (ken2812221)
+- #13734 Drop `boost::scoped_array` and use `wchar_t` API explicitly on Windows (ken2812221)
+- #13884 Enable bdb unicode support for Windows (ken2812221)
+
+### Miscellaneous
+- #13935 contrib: Adjust output to current test format (AkioNak)
+- #14097 validation: Log FormatStateMessage on ConnectBlock error in ConnectTip (MarcoFalke)
+- #13724 contrib: Support ARM and RISC-V symbol check (ken2812221)
+- #13159 Don't close old debug log file handle prematurely when trying to re-open (on SIGHUP) (practicalswift)
+- #14186 bitcoin-cli: don't translate command line options (HashUnlimited)
+- #14057 logging: Only log `using config file path_to_bitcoin.conf` message on startup if conf file exists (leishman)
+- #14164 Update univalue subtree (MarcoFalke)
+- #14272 init: Remove deprecated args from hidden args (MarcoFalke)
+- #14494 Error if # is used in rpcpassword in conf (MeshCollider)
+- #14742 Properly generate salt in rpcauth.py (dongcarl)
+- #14708 Warn unrecognised sections in the config file (AkioNak)
+- #14756 Improve rpcauth.py by using argparse and getpass modules (promag)
+- #14785 scripts: Fix detection of copyright holders (cornelius)
+- #14831 scripts: Use `#!/usr/bin/env bash` instead of `#!/bin/bash` (vim88)
+- #14869 Scripts: Add trusted key for samuel dobson (laanwj)
+- #14809 Tools: improve verify-commits.py script (jlopp)
+- #14624 Some simple improvements to the RNG code (sipa)
+- #14947 scripts: Remove python 2 import workarounds (practicalswift)
+- #15087 Error if rpcpassword contains hash in conf sections (MeshCollider)
+- #14433 Add checksum in gitian build scripts for ossl (TheCharlatan)
+- #15165 contrib: Allow use of github api authentication in github-merge (laanwj)
+- #14409 utils and libraries: Make 'blocksdir' always net specific (hebasto)
+- #14839 threads: Fix unitialized members in `sched_param` (fanquake)
+- #14955 Switch all RNG code to the built-in PRNG (sipa)
+- #15258 Scripts and tools: Fix `devtools/copyright_header.py` to always honor exclusions (Empact)
+- #12255 Update bitcoin.service to conform to init.md (dongcarl)
+- #15266 memory: Construct globals on first use (MarcoFalke)
+- #15347 Fix build after pr 15266 merged (hebasto)
+- #15351 Update linearize-hashes.py (OverlordQ)
+- #15358 util: Add setuphelpoptions() (MarcoFalke)
+- #15216 Scripts and tools: Replace script name with a special parameter (hebasto)
+- #15250 Use RdSeed when available, and reduce RdRand load (sipa)
+- #15278 Improve PID file error handling (hebasto)
+- #15270 Pull leveldb subtree (MarcoFalke)
+- #15456 Enable PID file creation on WIN (riordant)
+- #12783 macOS: disable AppNap during sync (krab)
+- #13910 Log progress while verifying blocks at level 4 (domob1812)
+- #15124 Fail AppInitMain if either disk space check fails (Empact)
+- #15117 Fix invalid memory write in case of failing mmap(…) in PosixLockedPageAllocator::AllocateLocked (practicalswift)
+- #14357 streams: Fix broken `streams_vector_reader` test. Remove unused `seek(size_t)`
+- #11640 Make `LOCK`, `LOCK2`, `TRY_LOCK` work with CWaitableCriticalSection (ryanofsky)
+- #14074 Use `std::unordered_set` instead of `set` in blockfilter interface (jimpo)
+- #15275 Add gitian PGP key for hebasto (hebasto)
+
+### Documentation
+- #14120 Notes about control port and read access to cookie (JBaczuk)
+- #14135 correct GetDifficulty doc after #13288 (fanquake)
+- #14013 Add new regtest ports in man following #10825 ports reattributions (ariard)
+- #14149 Remove misleading checkpoints comment in CMainParams (MarcoFalke)
+- #14153 Add disable-wallet section to OSX build instructions, update line in Unix instructions (bitstein)
+- #13662 Explain when reindex-chainstate can be used instead of reindex (Sjors)
+- #14207 `-help-debug` implies `-help` (laanwj)
+- #14213 Fix reference to lint-locale-dependence.sh (hebasto)
+- #14206 Document `-checklevel` levels (laanwj)
+- #14217 Add GitHub PR template (MarcoFalke)
+- #14331 doxygen: Fix member comments (MarcoFalke)
+- #14264 Split depends installation instructions per arch (MarcoFalke)
+- #14393 Add missing apt-get install (poiuty)
+- #14428 Fix macOS files description in qt/README.md (hebasto)
+- #14390 release process: RPC documentation (karel-3d)
+- #14472 getblocktemplate: use SegWit in example (Sjors)
+- #14497 Add doc/bitcoin-conf.md (hebasto)
+- #14526 Document lint tests (fanquake)
+- #14511 Remove explicit storage requirement from README.md (merland)
+- #14600 Clarify commit message guidelines (merland)
+- #14617 FreeBSD: Document Python 3 requirement for 'gmake check' (murrayn)
+- #14592 Add external interface consistency guarantees (MarcoFalke)
+- #14625 Make clear function argument case in dev notes (dongcarl)
+- #14515 Update OpenBSD build guide for 6.4 (fanquake)
+- #14436 Add comment explaining recentRejects-DoS behavior (jamesob)
+- #14684 conf: Remove deprecated options from docs, Other cleanup (MarcoFalke)
+- #14731 Improve scripted-diff developer docs (dongcarl)
+- #14778 A few minor formatting fixes and clarifications to descriptors.md (jnewbery)
+- #14448 Clarify rpcwallet flag url change (JBaczuk)
+- #14808 Clarify RPC rawtransaction documentation (jlopp)
+- #14804 Less confusing documentation for `torpassword` (fanquake)
+- #14848 Fix broken Gmane URL in security-check.py (cyounkins-bot)
+- #14882 developer-notes.md: Point out that UniValue deviates from upstream (Sjors)
+- #14909 Update minimum required Qt (fanquake)
+- #14914 Add nice table to files.md (emilengler)
+- #14741 Indicate `-rpcauth` option password hashing alg (dongcarl)
+- #14950 Add NSIS setup/install steps to windows docs (fanquake)
+- #13930 Better explain GetAncestor check for `m_failed_blocks` in AcceptBlockHeader (Sjors)
+- #14973 Improve Windows native build instructions (murrayn)
+- #15073 Botbot.me (IRC logs) not available anymore (anduck)
+- #15038 Get more info about GUI-related issue on Linux (hebasto)
+- #14832 Add more Doxygen information to Developer Notes (ch4ot1c)
+- #15128 Fix download link in doc/README.md (merland)
+- #15127 Clarifying testing instructions (benthecarman)
+- #15132 Add FreeBSD build notes link to doc/README.md (fanquake)
+- #15173 Explain what .python-version does (Sjors)
+- #15223 Add information about security to the JSON-RPC doc (harding)
+- #15249 Update python docs to reflect that wildcard imports are disallowed (Empact)
+- #15176 Get rid of badly named `doc/README_osx.md` (merland)
+- #15272 Correct logging return type and RPC example (fanquake)
+- #15244 Gdb attaching to process during tests has non-sudo solution (instagibbs)
+- #15332 Small updates to `getrawtransaction` description (amitiuttarwar)
+- #15354 Add missing `bitcoin-wallet` tool manpages (MarcoFalke)
+- #15343 netaddress: Make IPv4 loopback comment more descriptive (dongcarl)
+- #15353 Minor textual improvements in `translation_strings_policy.md` (merland)
+- #15426 importmulti: add missing description of keypool option (harding)
+- #15425 Add missing newline to listunspent help for witnessScript (harding)
+- #15348 Add separate productivity notes document (dongcarl)
+- #15416 Update FreeBSD build guide for 12.0 (fanquake)
+- #15222 Add info about factors that affect dependency list (merland)
+- #13676 Explain that mempool memory is added to `-dbcache` (Sjors)
+- #15273 Slight tweak to the verify-commits script directions (droark)
+- #15477 Remove misleading hint in getrawtransaction (MarcoFalke)
+- #15489 Update release process for snap package (MarcoFalke)
+- #15524 doc: Remove berkeleydb PPA from linux build instructions (MarcoFalke)
+- #15559 Correct `analyzepsbt` rpc doc (fanquake)
+- #15194 Add comment describing `fDisconnect` behavior (dongcarl)
+- #15754 getrpcinfo docs (benthecarman)
+- #15763 Update bips.md for 0.18.0 (sipa)
+- #15757 List new RPCs in psbt.md and descriptors.md (sipa)
+- #15765 correct bitcoinconsensus_version in shared-libraries.md (fanquake)
+- #15792 describe onlynet option in doc/tor.md (jonatack)
+- #15802 mention creating application support bitcoin folder on OSX (JimmyMow)
+- #15799 Clarify RPC versioning (MarcoFalke)
+
+Credits
+=======
+
+Thanks to everyone who directly contributed to this release:
+
+- 1Il1
+- 251
+- Aaron Clauson
+- Adam Jonas
+- Akio Nakamura
+- Alexander Leishman
+- Alexey Ivanov
+- Alexey Poghilenkov
+- Amir Abrams
+- Amiti Uttarwar
+- Andrew Chow
+- andrewtoth
+- Anthony Towns
+- Antoine Le Calvez
+- Antoine Riard
+- Antti Majakivi
+- araspitzu
+- Arvid Norberg
+- Ben Carman
+- Ben Woosley
+- benthecarman
+- bitcoinhodler
+- Carl Dong
+- Chakib Benziane
+- Chris Moore
+- Chris Stewart
+- chris-belcher
+- Chun Kuan Lee
+- Cornelius Schumacher
+- Cory Fields
+- Craig Younkins
+- Cristian Mircea Messel
+- Damian Mee
+- Daniel Ingram
+- Daniel Kraft
+- David A. Harding
+- DesWurstes
+- dexX7
+- Dimitri Deijs
+- Dimitris Apostolou
+- Douglas Roark
+- DrahtBot
+- Emanuele Cisbani
+- Emil Engler
+- Eric Scrivner
+- fridokus
+- Gal Buki
+- Gleb Naumenko
+- Glenn Willen
+- Graham Krizek
+- Gregory Maxwell
+- Gregory Sanders
+- gustavonalle
+- Harry Moreno
+- Hennadii Stepanov
+- Isidoro Ghezzi
+- Jack Mallers
+- James Hilliard
+- James O'Beirne
+- Jameson Lopp
+- Jeremy Rubin
+- Jesse Cohen
+- Jim Posen
+- John Newbery
+- Jon Layton
+- Jonas Schnelli
+- João Barbosa
+- Jordan Baczuk
+- Jorge Timón
+- Julian Fleischer
+- Justin Turner Arthur
+- Karel Bílek
+- Karl-Johan Alm
+- Kaz Wesley
+- ken2812221
+- Kostiantyn Stepaniuk
+- Kristaps Kaupe
+- Lawrence Nahum
+- Lenny Maiorani
+- liuyujun
+- lucash-dev
+- luciana
+- Luke Dashjr
+- marcaiaf
+- marcoagner
+- MarcoFalke
+- Martin Erlandsson
+- Marty Jones
+- Mason Simon
+- Michael Ford
+- Michael Goldstein
+- Michael Polzer
+- Mitchell Cash
+- mruddy
+- Murray Nesbitt
+- OverlordQ
+- Patrick Strateman
+- Pierre Rochard
+- Pieter Wuille
+- poiuty
+- practicalswift
+- priscoan
+- qubenix
+- riordant
+- Russell Yanofsky
+- Samuel Dobson
+- sanket1729
+- Sjors Provoost
+- Stephan Oeste
+- Steven Roose
+- Suhas Daftuar
+- TheCharlatan
+- Tim Ruffing
+- Vidar Holen
+- vim88
+- Walter
+- whythat
+- Wladimir J. van der Laan
+- Zain Iqbal Allarakhia
+
+As well as everyone that helped translating on [Transifex](https://www.transifex.com/projects/p/bitcoin/).