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*After branching off for a major version release of Bitcoin Core, use this
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template to create the initial release notes draft.*
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*The release notes draft is a temporary file that can be added to by anyone. See
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[/doc/developer-notes.md#release-notes](/doc/developer-notes.md#release-notes)
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for the process.*
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*Create the draft, named* "*version* Release Notes Draft"
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*(e.g. "0.20.0 Release Notes Draft"), as a collaborative wiki in:*
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https://github.com/bitcoin-core/bitcoin-devwiki/wiki/
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*Before the final release, move the notes back to this git repository.*
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*version* Release Notes Draft
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===============================
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Bitcoin Core version *version* is now available from:
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<https://bitcoincore.org/bin/bitcoin-core-*version*/>
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This release includes new features, 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 for older versions), 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 datadir 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 using
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the Linux kernel, macOS 10.10+, and Windows 7 and newer. It is not recommended
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to use Bitcoin Core on unsupported systems.
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Bitcoin Core should also work on most other Unix-like systems but is not
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as frequently tested on them.
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From Bitcoin Core 0.17.0 onwards, macOS versions earlier than 10.10 are no
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longer supported, as Bitcoin Core is now built using Qt 5.9.x which requires
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macOS 10.10+. Additionally, Bitcoin Core does not yet change appearance when
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macOS "dark mode" is activated.
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In addition to previously supported CPU platforms, this release's pre-compiled
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distribution provides binaries for the RISC-V platform.
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Notable changes
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===============
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New RPCs
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--------
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New settings
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------------
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Updated settings
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----------------
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Updated RPCs
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------------
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Note: some low-level RPC changes mainly useful for testing are described in the
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Low-level Changes section below.
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GUI changes
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-----------
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Wallet
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------
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- The wallet now by default uses bech32 addresses when using RPC, and creates native segwit change outputs.
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Low-level changes
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=================
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Tests
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-----
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- `-fallbackfee` was 0 (disabled) by default for the main chain, but 0.0002 by default for the test chains. Now it is 0
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by default for all chains. Testnet and regtest users will have to add `fallbackfee=0.0002` to their configuration if
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they weren't setting it and they want it to keep working like before. (#16524)
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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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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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