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Update release-notes.md for 0.14.0.3 (#3054)

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@ -5,7 +5,7 @@ Release is now available from:
<https://www.dash.org/downloads/#wallets>
This is a new minor version release, bringing various bugfixes.
This is a new minor version release, bringing various bugfixes and improvements.
Please report bugs using the issue tracker at github:
@ -26,56 +26,72 @@ using version < 0.13 you will have to reindex (start with -reindex-chainstate
or -reindex) to make sure your wallet has all the new data synced. Upgrading from
version 0.13 should not require any additional actions.
Due to the changes in the "evodb" database format introduced in this release, the
first startup of Dash Core will run a migration process which can take a few minutes
to finish. After the migration, a downgrade to an older version is only possible with
a reindex (or reindex-chainstate).
Downgrade warning
-----------------
### Downgrade to a version < 0.14.0.0
### Downgrade to a version < 0.14.0.3
Downgrading to a version smaller than 0.14 is not supported anymore as DIP8 has
activated on mainnet and testnet.
### Downgrade to versions 0.14.0.0 - 0.14.0.1
Downgrading to older 0.14 releases is fully supported but is not
recommended unless you have some serious issues with version 0.14.0.2.
Downgrading to a version smaller than 0.14.0.3 is not supported anymore due to changes
in the "evodb" database format. If you need to use an older version, you have to perform
a reindex or re-sync the whole chain.
Notable changes
===============
Performance improvements
------------------------
Slow startup times were observed in older versions. This was due to sub-optimal handling of old
deterministic masternode lists which caused the loading of too many lists into memory. This should be
fixed now.
Database space usage improvements
--------------------------------
Version 0.13.0.0 introduced a new database (evodb) which is found in the datadir of Dash Core. It turned
out that this database grows quite fast when a lot of changes inside the deterministic masternode list happen,
which is for example the case when a lot PoSe punishing/banning is happening. Such a situation happened
immediately after the activation LLMQ DKGs, causing the database to grow a lot. This release introduces
a new format in which information in "evodb" is stored, which causes it grow substantially slower.
Fixed excessive memory use
--------------------------
Multiple issues were found which caused excessive use of memory in some situations, especially when
a full reindex was performed, causing the node to crash even when enough RAM was available. This should
be fixed now.
Version 0.14.0.0 also introduced a new database (llmq) which is also found in the datadir of Dash Core.
This database stores all LLMQ signatures for 7 days. After 7 days, a cleanup task removes old signatures.
The idea was that the "llmq" database would grow in the beginning and then stay at an approximately constant
size. The recent stress test on mainnet has however shown that the database grows too much and causes a risk
of out-of-space situations. This release will from now also remove signatures when the corresponding InstantSend
lock is fully confirmed on-chain (superseded by a ChainLock). This should remove >95% of all signatures from
the database. After the upgrade, no space saving will be observed however as this logic is only applied to new
signatures, which means that it will take 7 days until the whole "llmq" database gets to its minimum size.
Fixed out-of-sync masternode list UI
------------------------------------
The masternode tab, which shows the masternode list, was not always up-to-date as it missed some internal
updates. This should be fixed now.
DKG and LLMQ signing failures fixed
-----------------------------------
Recent stress tests have shown that masternodes start to ban each other under high load and specific situations.
This release fixes this and thus makes it a highly recommended upgrade for masternodes.
0.14.0.2 Change log
MacOS: macOS: disable AppNap during sync and mixing
---------------------------------------------------
AppNap is disabled now when Dash Core is syncing/reindexing or mixing.
Signed binaries for Windows
---------------------------
This release is the first one to include signed binaries for Windows.
New RPC command: quorum memberof <proTxHash>
--------------------------------------------
This RPC allows you to verify which quorums a masternode is supposed to be a member of. It will also show
if the masternode succesfully participated in the DKG process.
More information about number of InstantSend locks
--------------------------------------------------
The debug console will now show how many InstantSend locks Dash Core knows about. Please note that this number
does not necessarily equal the number of mempool transactions.
The "getmempoolinfo" RPC also has a new field now which shows the same information.
0.14.0.3 Change log
===================
See detailed [set of changes](https://github.com/dashpay/dash/compare/v0.14.0.1...dashpay:v0.14.0.2).
TODO
See detailed [set of changes](https://github.com/dashpay/dash/compare/v0.14.0.2...dashpay:v0.14.0.3).
- [`d2ff63e8d`](https://github.com/dashpay/dash/commit/d2ff63e8d) Use std::unique_ptr for mnList in CSimplifiedMNList (#3014)
- [`321bbf5af`](https://github.com/dashpay/dash/commit/321bbf5af) Fix excessive memory use when flushing chainstate and EvoDB (#3008)
- [`0410259dd`](https://github.com/dashpay/dash/commit/0410259dd) Fix 2 common Travis failures which happen when Travis has network issues (#3003)
- [`8d763c144`](https://github.com/dashpay/dash/commit/8d763c144) Only load signingActiveQuorumCount + 1 quorums into cache (#3002)
- [`2dc1b06ec`](https://github.com/dashpay/dash/commit/2dc1b06ec) Remove skipped denom from the list on tx commit (#2997)
- [`dff2c851d`](https://github.com/dashpay/dash/commit/dff2c851d) Update manpages for 0.14.0.2 (#2999)
- [`46c4f5844`](https://github.com/dashpay/dash/commit/46c4f5844) Use Travis stages instead of custom timeouts (#2948)
- [`49c37b82a`](https://github.com/dashpay/dash/commit/49c37b82a) Back off for 1m when connecting to quorum masternodes (#2975)
- [`c1f756fd9`](https://github.com/dashpay/dash/commit/c1f756fd9) Multiple speed optimizations for deterministic MN list handling (#2972)
- [`11699f540`](https://github.com/dashpay/dash/commit/11699f540) Process/keep messages/connections from PoSe-banned MNs (#2967)
- [`c5415e746`](https://github.com/dashpay/dash/commit/c5415e746) Fix UI masternode list (#2966)
- [`fb6f0e04d`](https://github.com/dashpay/dash/commit/fb6f0e04d) Bump version to 0.14.0.2 and copy release notes (#2991)
Credits
=======
@ -83,6 +99,9 @@ Credits
Thanks to everyone who directly contributed to this release:
- Alexander Block (codablock)
- Nathan Marley (nmarley)
- PastaPastaPasta
- strophy
- UdjinM6
As well as everyone that submitted issues and reviewed pull requests.
@ -110,6 +129,7 @@ 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:
- [v0.14.0.2](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.14.0.2.md) released July/4/2019
- [v0.14.0.1](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.14.0.1.md) released May/31/2019
- [v0.14.0](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.14.0.md) released May/22/2019
- [v0.13.3](https://github.com/dashpay/dash/blob/master/doc/release-notes/dash/release-notes-0.13.3.md) released Apr/04/2019