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0.21.2 Release Notes
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====================
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Bitcoin Core version 0.21.2 is now available from:
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<https://bitcoincore.org/bin/bitcoin-core-0.21.2/>
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This minor release includes various bug fixes and performance
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improvements, as well as updated translations.
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Please report bugs using the issue tracker at GitHub:
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<https://github.com/bitcoin/bitcoin/issues>
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To receive security and update notifications, please subscribe to:
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<https://bitcoincore.org/en/list/announcements/join/>
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How to Upgrade
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==============
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If you are running an older version, shut it down. Wait until it has completely
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shut down (which might take a few minutes in some cases), then run the
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installer (on Windows) or just copy over `/Applications/Bitcoin-Qt` (on Mac)
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or `bitcoind`/`bitcoin-qt` (on Linux).
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Upgrading directly from a version of Bitcoin Core that has reached its EOL is
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possible, but it might take some time if the data directory needs to be migrated. Old
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wallet versions of Bitcoin Core are generally supported.
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Compatibility
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==============
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Bitcoin Core is supported and extensively tested on operating systems
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using the Linux kernel, macOS 10.12+, and Windows 7 and newer. Bitcoin
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Core should also work on most other Unix-like systems but is not as
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frequently tested on them. It is not recommended to use Bitcoin Core on
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unsupported systems.
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From Bitcoin Core 0.20.0 onwards, macOS versions earlier than 10.12 are no
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longer supported. Additionally, Bitcoin Core does not yet change appearance
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when macOS "dark mode" is activated.
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0.21.2 change log
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=================
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### P2P protocol and network code
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- #21644 use NetPermissions::HasFlag() in CConnman::Bind() (jonatack)
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- #22569 Rate limit the processing of rumoured addresses (sipa)
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### Wallet
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- #21907 Do not iterate a directory if having an error while accessing it (hebasto)
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### RPC
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- #19361 Reset scantxoutset progress before inferring descriptors (prusnak)
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### Build System
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- #21932 depends: update Qt 5.9 source url (kittywhiskers)
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- #22017 Update Windows code signing certificate (achow101)
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- #22191 Use custom MacOS code signing tool (achow101)
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- #22713 Fix build with Boost 1.77.0 (sizeofvoid)
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### Tests and QA
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- #20182 Build with --enable-werror by default, and document exceptions (hebasto)
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- #20535 Fix intermittent feature_taproot issue (MarcoFalke)
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- #21663 Fix macOS brew install command (hebasto)
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- #22279 add missing ECCVerifyHandle to base_encode_decode (apoelstra)
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- #22730 Run fuzzer task for the master branch only (hebasto)
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### GUI
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- #277 Do not use QClipboard::Selection on Windows and macOS. (hebasto)
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- #280 Remove user input from URI error message (prayank23)
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- #365 Draw "eye" sign at the beginning of watch-only addresses (hebasto)
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### Miscellaneous
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- #22002 Fix crash when parsing command line with -noincludeconf=0 (MarcoFalke)
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- #22137 util: Properly handle -noincludeconf on command line (take 2) (MarcoFalke)
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Credits
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=======
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Thanks to everyone who directly contributed to this release:
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- Andrew Chow
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- Andrew Poelstra
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- fanquake
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- Hennadii Stepanov
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- Jon Atack
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- Kittywhiskers Van Gogh
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- Luke Dashjr
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- MarcoFalke
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- Pavol Rusnak
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- Pieter Wuille
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- prayank23
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- Rafael Sadowski
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- W. J. van der Laan
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As well as to everyone that helped with translations on
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[Transifex](https://www.transifex.com/bitcoin/bitcoin/).
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