Release Notes v0.12.3.4

Dash Core version

Release is now available from:

This is an optional release and only contains changes for testnet. It is not required to update masternodes on mainnet.

Please report bugs using the issue tracker at github:

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 <

Because release included the 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- version.

Wallet forward or backward compatibility was not affected.

Downgrade to

Downgrading to these versions does not require any additional actions, should be fully compatible.

Notable changes

Fork/Reset testnet at block 4001

This release is NOT required on mainnet. It is intended to be deployed on testnet and will cause a fork at block 4001. The plan is to restart all testing for the v0.13.0.0 upgrade process.

When deployed on testnet, it is required to start with a fresh data directory or call Dash Core with -reindex-chainstate. Change log

See detailed set of changes.


Thanks to everyone who directly contributed to this release, 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: