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dash-docs/_releases/2014-09-27-v0.9.3.md
David A. Harding cbebe461ff Releases: Variablize Release Notes 
Add additional variables to the release note files to allow setting the
version number and date.  The version number is required, and can be
used to automatically set the release notes title.  The date is optional
and can be set hours/days after the release.

Additionally, a Makefile test is added that checks whether the download
files exist on the Bitcoin.org server.  This can help prevent creating a
broken Download page.

* Set variables for all previous releases

* Document variables in README.md

* Update code and templates to use variables

* Add the Download page links to the "dl" CSS class. Also add newlines
  to make the HTML a bit easier to parse using sed

* Add a new Liquid plugin to print warnings. This is used to print a
  non-error warning if any release is created without the optional date
2015-02-27 08:15:50 -05:00

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required_version optional_date optional_title
0.9.3 2014-09-27 Bitcoin Core version 0.9.3 released

Bitcoin Core version 0.9.3 is now available from:

https://bitcoin.org/bin/0.9.3/

This is a new minor version release, bringing only bug fixes and updated translations. Upgrading to this release is recommended.

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).

If you are upgrading from version 0.7.2 or earlier, the first time you run 0.9.3 your blockchain files will be re-indexed, which will take anywhere from 30 minutes to several hours, depending on the speed of your machine.

Downgrading warnings

The 'chainstate' for this release is not always compatible with previous releases, so if you run 0.9.x and then decide to switch back to a 0.8.x release you might get a blockchain validation error when starting the old release (due to 'pruned outputs' being omitted from the index of unspent transaction outputs).

Running the old release with the -reindex option will rebuild the chainstate data structures and correct the problem.

Also, the first time you run a 0.8.x release on a 0.9 wallet it will rescan the blockchain for missing spent coins, which will take a long time (tens of minutes on a typical machine).

0.9.3 Release notes

RPC:

  • Avoid a segfault on getblock if it can't read a block from disk
  • Add paranoid return value checks in base58

Protocol and network code:

  • Don't poll showmyip.com, it doesn't exist anymore
  • Add a way to limit deserialized string lengths and use it
  • Add a new checkpoint at block 295,000
  • Increase IsStandard() scriptSig length
  • Avoid querying DNS seeds, if we have open connections
  • Remove a useless millisleep in socket handler
  • Stricter memory limits on CNode
  • Better orphan transaction handling
  • Add -maxorphantx=<n> and -maxorphanblocks=<n> options for control over the maximum orphan transactions and blocks

Wallet:

  • Check redeemScript size does not exceed 520 byte limit
  • Ignore (and warn about) too-long redeemScripts while loading wallet

GUI:

  • fix 'opens in testnet mode when presented with a BIP-72 link with no fallback'
  • AvailableCoins: acquire cs_main mutex
  • Fix unicode character display on MacOSX

Miscellaneous:

  • key.cpp: fail with a friendlier message on missing ssl EC support
  • Remove bignum dependency for scripts
  • Upgrade OpenSSL to 1.0.1i (see https://www.openssl.org/news/secadv_20140806.txt - just to be sure, no critical issues for Bitcoin Core)
  • Upgrade miniupnpc to 1.9.20140701
  • Fix boost detection in build system on some platforms

Credits

Thanks to everyone who contributed to this release:

  • Andrew Poelstra
  • Cory Fields
  • Gavin Andresen
  • Jeff Garzik
  • Johnathan Corgan
  • Julian Haight
  • Michael Ford
  • Pavel Vasin
  • Peter Todd
  • phantomcircuit
  • Pieter Wuille
  • Rose Toomey
  • Ruben Dario Ponticelli
  • shshshsh
  • Trevin Hofmann
  • Warren Togami
  • Wladimir J. van der Laan
  • Zak Wilcox

As well as everyone that helped translating on Transifex.