Bitcoin Core 0.10.1 release candidate 1 available

Bitcoin Core 0.10.1 release candidate 1 available
From: Wladimir J. van der Laan @ 2015-04-02  8:11 UTC (permalink / raw)
  To: bitcoin-development

Binaries for bitcoin Core version 0.10.1rc1 are now available from:

  https://bitcoin.org/bin/0.10.1/test

Source code can be found in github under the tag

  https://github.com/bitcoin/bitcoin/tree/v0.10.1rc1

This is a release candidate for a minor version release, bringing bug fixes and
translation updates. Release candidates are test runs for releases, when no critical
problems are found the release candidate will be tagged as 0.10.1.

Please report bugs using the issue tracker at github:

  https://github.com/bitcoin/bitcoin/issues

Upgrading and downgrading
=========================

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).

Downgrade warning
------------------

Because release 0.10.0 and later makes use of headers-first synchronization and
parallel block download (see further), the block files and databases are not
backwards-compatible with pre-0.10 versions of Bitcoin Core or other software:

* Blocks will be stored on disk out of order (in the order they are
received, really), which makes it incompatible with some tools or
other programs. Reindexing using earlier versions will also not work
anymore as a result of this.

* The block index database will now hold headers for which no block is
stored on disk, which earlier versions won't support.

If you want to be able to downgrade smoothly, make a backup of your entire data
directory. Without this your node will need start syncing (or importing from
bootstrap.dat) anew afterwards. It is possible that the data from a completely
synchronised 0.10 node may be usable in older versions as-is, but this is not
supported and may break as soon as the older version attempts to reindex.

This does not affect wallet forward or backward compatibility.

Notable changes
===============

This is a minor release and hence there are no notable changes.
For the notable changes in 0.10 refer to the release notes for the
0.10.0 release at https://github.com/bitcoin/bitcoin/blob/v0.10.0/doc/release-notes.md

0.10.1 Change log
=================

Detailed release notes follow. This overview includes changes that affect external
behavior, not code moves, refactors or string updates.

RPC:
- `7f502be` fix crash: createmultisig and addmultisigaddress

Block (database) and transaction handling:
- `1d2cdd2` Fix InvalidateBlock to add chainActive.Tip to setBlockIndexCandidates
- `c91c660` fix InvalidateBlock to repopulate setBlockIndexCandidates
- `002c8a2` fix possible block db breakage during re-index
- `a1f425b` Add (optional) consistency check for the block chain data structures

P2P protocol and network code:
- `78f64ef` don't trickle for whitelisted nodes
- `ca301bf` Reduce fingerprinting through timestamps in 'addr' messages.
- `200f293` Ignore getaddr messages on Outbound connections.
- `d5d8998` Limit message sizes before transfer
- `aeb9279` Better fingerprinting protection for non-main-chain getdatas.
- `cf0218f` Make addrman's bucket placement deterministic (countermeasure 1 against eclipse attacks, see http://cs-people.bu.edu/heilman/eclipse/)
- `0c6f334` Always use a 50% chance to choose between tried and new entries (countermeasure 2 against eclipse attacks)
- `214154e` Do not bias outgoing connections towards fresh addresses (countermeasure 2 against eclipse attacks)
- `aa587d4` Scale up addrman (countermeasure 6 against eclipse attacks)

Validation:
- `d148f62` Acquire CCheckQueue's lock to avoid race condition

Build system:
- `8752b5c` 0.10 fix for crashes on OSX 10.6

Wallet:
- N/A

GUI:
- `2c08406` some mac specifiy cleanup (memory handling, unnecessary code)
- `81145a6` fix OSX dock icon window reopening
- `786cf72` fix a issue where "command line options"-action overwrite "Preference"-action (on OSX)

Tests:
- `1117378` add RPC test for InvalidateBlock

Miscellaneous:
- `c9e022b` Initialization: set Boost path locale in main thread
- `23126a0` Sanitize command strings before logging them.

Credits
=======

Thanks to everyone who contributed to this release:

- Alex Morcos
- Cory Fields
- dexX7
- fsb4000
- Gregory Maxwell
- Ivan Pustogarov
- Jonas Schnelli
- Pieter Wuille
- Ruben de Vries
- Suhas Daftuar
- Wladimir J. van der Laan

As well as everyone that helped translating on [Transifex](https://www.transifex.com/projects/p/bitcoin/).




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