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2.4 KiB

(note: this is a temporary file, to be added-to by anybody, and moved to release-notes at release time)

Notable changes

Example item

bitcoin-cli: arguments privacy

The RPC command line client gained a new argument, -stdin to read extra arguments from standard input, one per line until EOF/Ctrl-D. For example:

$ echo -e "mysecretcode\n120" | src/bitcoin-cli -stdin walletpassphrase

It is recommended to use this for sensitive information such as wallet passphrases, as command-line arguments can usually be read from the process table by any user on the system.

RPC low-level changes

  • gettxoutsetinfo UTXO hash (hash_serialized) has changed. There was a divergence between 32-bit and 64-bit platforms, and the txids were missing in the hashed data. This has been fixed, but this means that the output will be different than from previous versions.

0.13.0 Change log

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.

RPC and REST

Asm script outputs now contain OP_CHECKLOCKTIMEVERIFY in place of OP_NOP2

OP_NOP2 has been renamed to OP_CHECKLOCKTIMEVERIFY by BIP 65

The following outputs are affected by this change:

  • RPC getrawtransaction (in verbose mode)
  • RPC decoderawtransaction
  • RPC decodescript
  • REST /rest/tx/ (JSON format)
  • REST /rest/block/ (JSON format when including extended tx details)
  • bitcoin-tx -json

Configuration and command-line options

Block and transaction handling

P2P protocol and network code

The p2p alert system has been removed in #7692 and the 'alert' message is no longer supported.

Fee filtering of invs (BIP 133)

The optional new p2p message "feefilter" is implemented and the protocol version is bumped to 70013. Upon receiving a feefilter message from a peer, a node will not send invs for any transactions which do not meet the filter feerate. BIP 133

Validation

Build system

Wallet

GUI

Tests

Miscellaneous