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Bitcoin Core version 0.15.0.1 is now available from:

https://bitcoin.org/bin/bitcoin-core-0.15.0.1/

and

https://bitcoincore.org/bin/bitcoin-core-0.15.0.1/

This is a minor bug fix for 0.15.0.

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 higher, 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.

The file format of fee_estimates.dat changed in version 0.15.0. Hence, a downgrade from version 0.15.0 or upgrade to version 0.15.0 will cause all fee estimates to be discarded.

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.

Compatibility

Bitcoin Core is extensively tested on multiple operating systems using the Linux kernel, macOS 10.8+, and Windows Vista and later. Windows XP is not supported.

Bitcoin Core should also work on most other Unix-like systems but is not frequently tested on them.

Notable changes

GUI startup crash issue

After upgrade to 0.15.0, some clients would crash at startup because a custom fee setting was configured that no longer exists in the GUI. This is a minimal patch to avoid this issue from occuring.

0.15.0.1 Change log

  • #11332 46c8d23 Fix possible crash with invalid nCustomFeeRadio in QSettings (achow101, TheBlueMatt)

Also the manpages were updated, as this was forgotten for 0.15.0.

Credits

Thanks to everyone who directly contributed to this release:

  • Andrew Chow
  • Matt Corallo
  • Jonas Schnelli
  • Wladimir J. van der Laan

As well as everyone that helped translating on Transifex.