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(note: this is a temporary file, to be added-to by anybody, and moved to
release-notes at release time)
Bitcoin Core version *0.15.1* is now available from:
<https://bitcoin.org/bin/bitcoin-core-0.15.1/>
This is a new minor version release, including various bugfixes and
performance improvements, as well as updated translations.
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
===============
0.15.1 Change log
=================
- `dumpwallet` no longer allows overwriting files. This is a security measure
as well as prevents dangerous user mistakes.
- `listsinceblock` will now throw an error if an unknown `blockhash` argument
value is passed, instead of returning a list of all wallet transactions since
the genesis block.
Miner block size limiting deprecated
------------------------------------
Though blockmaxweight has been preferred for limiting the size of blocks returned by
getblocktemplate since 0.13.0, blockmaxsize remained as an option for those who wished
to limit their block size directly. Using this option resulted in a few UI issues as
well as non-optimal fee selection and ever-so-slightly worse performance, and has thus
now been deprecated. Further, the blockmaxsize option is now used only to calculate an
implied blockmaxweight, instead of limiting block size directly. Any miners who wish
to limit their blocks by size, instead of by weight, will have to do so manually by
removing transactions from their block template directly.
Low-level RPC changes
----------------------
- The "currentblocksize" value in getmininginfo has been removed.
Credits
=======
Thanks to everyone who directly contributed to this release:
(fill this in)
As well as everyone that helped translating on [Transifex](https://www.transifex.com/projects/p/bitcoin/).
|
