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(note: this is a temporary file, to be added-to by anybody, and moved to
release-notes at release time)
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Bitcoin Core version 0.17.x is now available from:
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< https: / / bitcoincore . org / bin / bitcoin-core-0 . 17 . x / >
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This is a new major version release, including new features, various bugfixes
and performance 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 >
To receive security and update notifications, please subscribe to:
< https: / / bitcoincore . org / en / list / announcements / join / >
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How to Upgrade
==============
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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If your node has a txindex, the txindex db will be migrated the first time you run 0.17.0 or newer, which may take up to a few hours. Your node will not be functional until this migration completes.
The first time you run version 0.15.0 or newer, your chainstate database will be converted to a
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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. Upgrading
directly from 0.7.x and earlier without redownloading the blockchain is not supported.
However, as usual, old wallet versions are still supported.
Downgrading warning
-------------------
The chainstate database for this release is not compatible with previous
releases, so if you run 0.15 and then decide to switch back to any
older version, you will need to run the old release with the `-reindex-chainstate`
option to rebuild the chainstate data structures in the old format.
If your node has pruning enabled, this will entail re-downloading and
processing the entire blockchain.
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Compatibility
==============
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Bitcoin Core is extensively tested on multiple operating systems using
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the Linux kernel, macOS 10.10+, and Windows 7 and newer (Windows XP is not supported).
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Bitcoin Core should also work on most other Unix-like systems but is not
frequently tested on them.
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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.
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Known issues
============
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...
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Notable changes
===============
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...
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0.17.x change log
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=================
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...
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Credits
=======
Thanks to everyone who directly contributed to this release:
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...
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And to those that reported security issues:
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...
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As well as everyone that helped translating on [Transifex ](https://www.transifex.com/projects/p/bitcoin/ ).
