dash-docs/_releases/0.8.3.md
David A. Harding e038560ab7
Copyrights: Add MIT License Header To More Files
- Makefile: extend copyright check test to scan all files with YAML
  headers

    - Exclude alerts from check -- lack of a license shouldn't prevent
      us from publishing emergency information

    - Also add license to Makefile itself

- Fix all errors caught by new test

    - For release notes, also link to github.com/bitcoin/bitcoin
      repository as origin

        - Also update README.md release instructions to include license
2015-07-19 18:44:49 -04:00

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---
# This file is licensed under the MIT License (MIT) available on
# http://opensource.org/licenses/MIT.
# Text originally from Bitcoin Core project
# Metadata and small formatting changes from Bitcoin.org project
## Please see _releases/0.10.0.md for a release template
required_version: 0.8.3
optional_date: 2013-06-25
optional_title: Bitcoin-Qt version 0.8.3 released
---
Bitcoin-Qt version 0.8.3 is now available from:
<http://sourceforge.net/projects/bitcoin/files/Bitcoin/bitcoin-0.8.3/>
This is a maintenance release to fix a denial-of-service attack that
can cause nodes to crash.
Please report bugs using the issue tracker at github:
<https://github.com/bitcoin/bitcoin/issues>
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 0.8.3 your blockchain files will be re-indexed, which will take
anywhere from 30 minutes to several hours, depending on the speed of
your machine.
0.8.3 Release notes
===================
Truncate over-size messages to prevent a memory exhaustion attack.
Fix a regression that causes excessive re-writing of the `peers.dat` file.
0.8.2 Release notes
===================
Fee Policy changes
------------------
The default fee for low-priority transactions is lowered from 0.0005 BTC
(for each 1,000 bytes in the transaction; an average transaction is
about 500 bytes) to 0.0001 BTC.
Payments (transaction outputs) of 0.543 times the minimum relay fee
(0.00005430 BTC) are now considered 'non-standard', because storing them
costs the network more than they are worth and spending them will usually
cost their owner more in transaction fees than they are worth.
Non-standard transactions are not relayed across the network, are not included
in blocks by most miners, and will not show up in your wallet until they are
included in a block.
The default fee policy can be overridden using the -mintxfee and -minrelaytxfee
command-line options, but note that we intend to replace the hard-coded fees
with code that automatically calculates and suggests appropriate fees in the
0.9 release and note that if you set a fee policy significantly different from
the rest of the network your transactions may never confirm.
Bitcoin-Qt changes
------------------
* New icon and splash screen
* Improve reporting of synchronization process
* Remove hardcoded fee recommendations
* Improve metadata of executable on MacOSX and Windows
* Move export button to individual tabs instead of toolbar
* Add "send coins" command to context menu in address book
* Add "copy txid" command to copy transaction IDs from transaction overview
* Save & restore window size and position when showing & hiding window
* New translations: Arabic (ar), Bosnian (bs), Catalan (ca), Welsh (cy),
Esperanto (eo), Interlingua (la), Latvian (lv) and many improvements
to current translations
MacOSX:
* OSX support for click-to-pay (bitcoin:) links
* Fix GUI disappearing problem on MacOSX (issue #1522)
Linux/Unix:
* Copy addresses to middle-mouse-button clipboard
Command-line options
--------------------
* -walletnotify will call a command on receiving transactions that affect the wallet.
* -alertnotify will call a command on receiving an alert from the network.
* -par now takes a negative number, to leave a certain amount of cores free.
JSON-RPC API changes
--------------------
* fixed a getblocktemplate bug that caused excessive CPU creating blocks.
* listunspent now lists account and address infromation.
* getinfo now also returns the time adjustment estimated from your peers.
* getpeerinfo now returns bytessent, bytesrecv and syncnode.
* gettxoutsetinfo returns statistics about the unspent transaction output database.
* gettxout returns information about a specific unspent transaction output.
Networking changes
------------------
* Significant changes to the networking code, reducing latency and memory consumption.
* Avoid initial block download stalling.
* Remove IRC seeding support.
* Performance tweaks.
* Added testnet DNS seeds.
Wallet compatibility/rescuing
-----------------------------
* Cases where wallets cannot be opened in another version/installation should be reduced.
* -salvagewallet now works for encrypted wallets.
Known Bugs
----------
* Entering the `getblocktemplate` or `getwork` RPC commands into the Bitcoin-Qt debug
console will cause Bitcoin-Qt to crash. Run Bitcoin-Qt with the -server command-line
option to workaround.
Thanks to everybody who contributed to the 0.8.2 and 0.8.3 releases!
--------------------------------------------------------------------
* APerson241
* Andrew Poelstra
* Calvin Owens
* Chuck LeDuc Díaz
* Colin Dean
* David Griffith
* David Serrano
* Eric Lombrozo
* Gavin Andresen
* Gregory Maxwell
* Jeff Garzik
* Jonas Schnelli
* Larry Gilbert
* Luke Dashjr
* Matt Corallo
* Michael Ford
* Mike Hearn
* Patrick Brown
* Peter Todd
* Philip Kaufmann
* Pieter Wuille
* Richard Schwab
* Roman Mindalev
* Scott Howard
* Tariq Bashir
* Warren Togami
* Wladimir J. van der Laan
* freewil
* gladoscc
* kjj2
* mb300sd
* super3