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dash/doc/release-notes.md
Alexander Block 7cf9572c26 Backport Bitcoin #11881: Remove Python2 support (#2224) 
* Merge #11881: Remove Python2 support

1874058 Make base58 python contrib code work with python3 (Evan Klitzke)
bc6fdf2 Change all python files to use Python3 (John Newbery)

Pull request description:

  Following discussion here: https://github.com/bitcoin/bitcoin/pull/11843#issuecomment-351033742

  It's easier for maintainers if all python tools/scripts support only a single version of Python. There are only a few scripts that aren't explicitly python3 at this point, so this PR changes those remaining scripts to explicitly require python3.

Tree-SHA512: 5d38eef6e0fc7d8515e23a1f4c75e8b4160fd0fe23cba52a1f41689b114e54a9e503e0724829e8b41982ef98f2d113df80d9e238213b74f09ceaed0344a19e24

* Merge #12829: Python3 fixup

f50975b [contrib] fixup symbol-check.py Python3 support (John Newbery)
5de2b18 [contrib] fixup security-check.py Python3 support (John Newbery)

Pull request description:

  security-check.py and symbol-check.py were broken by #11881. Fix them.

Tree-SHA512: 86de3d6dc3292b1ae4cc04c2d7d7dbbf39c9270551d7b224b8d8b19e3184c30c897dbf823200403706d06bb405c0decad5cfd690cb2c0312992a235a4ffcf6bf
2018-08-13 19:07:52 +03:00

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Dash Core version 0.12.3.2
==========================
Release is now available from:
<https://www.dash.org/downloads/#wallets>
This is a new minor version release, bringing various bugfixes and other
improvements.
Please report bugs using the issue tracker at github:
<https://github.com/dashpay/dash/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/Dash-Qt (on Mac) or
dashd/dash-qt (on Linux).
Downgrade warning
-----------------
### Downgrade to a version < 0.12.2.2
Because release 0.12.2.2 included the [per-UTXO fix](release-notes/dash/release-notes-0.12.2.2.md#per-utxo-fix)
which changed the structure of the internal database, you will have to reindex
the database if you decide to use any pre-0.12.2.2 version.
Wallet forward or backward compatibility was not affected.
### Downgrade to 0.12.2.2/3, 0.12.3.1
Downgrading to these versions does not require any additional actions, should be
fully compatible.
Notable changes
===============
Improve initial sync
--------------------
Some users had problems getting their nodes synced. The issue occured due to nodes trying to
get additional data from each available peer but not being able to process this data fast enough.
This was recognized as a stalled sync process and thus the process was reset. To address the issue
we limited sync process to 3 peers max now and the issue should no longer appear as long as there
are at least 4 connections.
Testnet/Devnet fixes
--------------------
Turned out that a low-diff rule for slow blocks backported from Bitcoin works a bit too aggressive for
a blockchain which uses a dynamic per-block difficulty adjustment algorithm (DGW). While blocks are still
produced at a more or less constant rate on average, the rate however is way too high.
We also lifted multiple ports restriction on devnet and also incuded other fixes which should improve
connectivity on devnets which are using nodes with multiple different ports.
0.12.3.2 Change log
===================
See detailed [change log](https://github.com/dashpay/dash/compare/v0.12.3.1...dashpay:v0.12.3.2) below.
### Network:
- [`2474d9cb8`](https://github.com/dashpay/dash/commit/2474d9cb8) Sync mn list and mnw list from 3 peers max (#2169)
- [`2c303cdb1`](https://github.com/dashpay/dash/commit/2c303cdb1) A few devnet related fixes (#2168)
### Mining:
- [`2ba0c7760`](https://github.com/dashpay/dash/commit/2ba0c7760) Add tests for special rules for slow blocks on devnet/testnet (#2176)
- [`b9a83d2ae`](https://github.com/dashpay/dash/commit/b9a83d2ae) Allow mining min diff for very slow (2h+) blocks (#2175)
- [`050cabdf5`](https://github.com/dashpay/dash/commit/050cabdf5) Adjust diff for slow testnet/devnet blocks a bit smoother (#2161)
### GUI:
- [`7b9919d18`](https://github.com/dashpay/dash/commit/7b9919d18) Fix issues with selections on Masternode tab (#2170)
- [`c4698d5f3`](https://github.com/dashpay/dash/commit/c4698d5f3) Make PS Buttons not react to spacebar (#2154)
### Other:
- [`f833e2ed6`](https://github.com/dashpay/dash/commit/f833e2ed6) Bump to 0.12.3.2 (#2173)
Python Support
--------------
Support for Python 2 has been discontinued for all test files and tools.
Credits
=======
Thanks to everyone who directly contributed to this release:
- Alexander Block
- PaulieD
- UdjinM6
As well as everyone who submitted issues and reviewed pull requests.
Older releases
==============
Dash was previously known as Darkcoin.
Darkcoin tree 0.8.x was a fork of Litecoin tree 0.8, original name was XCoin
which was first released on Jan/18/2014.
Darkcoin tree 0.9.x was the open source implementation of masternodes based on
the 0.8.x tree and was first released on Mar/13/2014.
Darkcoin tree 0.10.x used to be the closed source implementation of Darksend
which was released open source on Sep/25/2014.
Dash Core tree 0.11.x was a fork of Bitcoin Core tree 0.9,
Darkcoin was rebranded to Dash.
Dash Core tree 0.12.0.x was a fork of Bitcoin Core tree 0.10.
Dash Core tree 0.12.1.x was a fork of Bitcoin Core tree 0.12.
These release are considered obsolete. Old release notes can be found here:
- [v0.12.3.1](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.12.3.1.md) released Jul/03/2018
- [v0.12.2.3](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.12.2.3.md) released Jan/12/2018
- [v0.12.2.2](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.12.2.2.md) released Dec/17/2017
- [v0.12.2](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.12.2.md) released Nov/08/2017
- [v0.12.1](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.12.1.md) released Feb/06/2017
- [v0.12.0](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.12.0.md) released Aug/15/2015
- [v0.11.2](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.11.2.md) released Mar/04/2015
- [v0.11.1](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.11.1.md) released Feb/10/2015
- [v0.11.0](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.11.0.md) released Jan/15/2015
- [v0.10.x](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.10.0.md) released Sep/25/2014
- [v0.9.x](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.9.0.md) released Mar/13/2014
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