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doc: Clean out release notes 

Now that 0.13 has branched, release notes for 0.13 should be maintained
there, and the release notes file on master is for 0.14 release
notes.
0.14
Wladimir J. van der Laan 9 years ago
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      doc/release-notes.md

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@ -41,81 +41,7 @@ report issues about Windows XP to the issue tracker. @@ -41,81 +41,7 @@ report issues about Windows XP to the issue tracker.
Notable changes
===============
Database cache memory increased
--------------------------------
As a result of growth of the UTXO set, performance with the prior default
database cache of 100 MiB has suffered.
For this reason the default was changed to 300 MiB in this release.
For nodes on low-memory systems, the database cache can be changed back to
100 MiB (or to another value) by either:
- Adding `dbcache=100` in bitcoin.conf
- Changing it in the GUI under `Options → Size of database cache`
Note that the database cache setting has the most performance impact
during initial sync of a node, and when catching up after downtime.
bitcoin-cli: arguments privacy
--------------------------------
The RPC command line client gained a new argument, `-stdin`
to read extra arguments from standard input, one per line until EOF/Ctrl-D.
For example:
$ echo -e "mysecretcode\n120" | src/bitcoin-cli -stdin walletpassphrase
It is recommended to use this for sensitive information such as wallet
passphrases, as command-line arguments can usually be read from the process
table by any user on the system.
RPC low-level changes
----------------------
- `gettxoutsetinfo` UTXO hash (`hash_serialized`) has changed. There was a divergence between
32-bit and 64-bit platforms, and the txids were missing in the hashed data. This has been
fixed, but this means that the output will be different than from previous versions.
- Full UTF-8 support in the RPC API. Non-ASCII characters in, for example,
wallet labels have always been malformed because they weren't taken into account
properly in JSON RPC processing. This is no longer the case. This also affects
the GUI debug console.
C++11 and Python 3
-------------------
Various code modernizations have been done. The Bitcoin Core code base has
started using C++11. This means that a C++11-capable compiler is now needed for
building. Effectively this means GCC 4.7 or higher, or Clang 3.3 or higher.
When cross-compiling for a target that doesn't have C++11 libraries, configure with
`./configure --enable-glibc-back-compat ... LDFLAGS=-static-libstdc++`.
For running the functional tests in `qa/rpc-tests`, Python3.4 or higher is now
required.
Linux ARM builds
------------------
Due to popular request, Linux ARM builds have been added to the uploaded
executables.
The following extra files can be found in the download directory or torrent:
- `bitcoin-${VERSION}-arm-linux-gnueabihf.tar.gz`: Linux binaries for the most
common 32-bit ARM architecture.
- `bitcoin-${VERSION}-aarch64-linux-gnu.tar.gz`: Linux binaries for the most
common 64-bit ARM architecture.
ARM builds are still experimental. If you have problems on a certain device or
Linux distribution combination please report them on the bug tracker, it may be
possible to resolve them.
Note that Android is not considered ARM Linux in this context. The executables
are not expected to work out of the box on Android.
0.13.0 Change log
0.14.0 Change log
=================
Detailed release notes follow. This overview includes changes that affect
@ -125,83 +51,28 @@ git merge commit are mentioned. @@ -125,83 +51,28 @@ git merge commit are mentioned.
### RPC and REST
Asm script outputs replacements for OP_NOP2 and OP_NOP3
-------------------------------------------------------
OP_NOP2 has been renamed to OP_CHECKLOCKTIMEVERIFY by [BIP
65](https://github.com/bitcoin/bips/blob/master/bip-0065.mediawiki)
OP_NOP3 has been renamed to OP_CHECKSEQUENCEVERIFY by [BIP
112](https://github.com/bitcoin/bips/blob/master/bip-0112.mediawiki)
The following outputs are affected by this change:
- RPC `getrawtransaction` (in verbose mode)
- RPC `decoderawtransaction`
- RPC `decodescript`
- REST `/rest/tx/` (JSON format)
- REST `/rest/block/` (JSON format when including extended tx details)
- `bitcoin-tx -json`
New mempool information RPC calls
---------------------------------
RPC calls have been added to output detailed statistics for individual mempool
entries, as well as to calculate the in-mempool ancestors or descendants of a
transaction: see `getmempoolentry`, `getmempoolancestors`, `getmempooldescendants`.
### ZMQ
Each ZMQ notification now contains an up-counting sequence number that allows
listeners to detect lost notifications.
The sequence number is always the last element in a multi-part ZMQ notification and
therefore backward compatible.
Each message type has its own counter.
(https://github.com/bitcoin/bitcoin/pull/7762)
### Configuration and command-line options
### Block and transaction handling
### P2P protocol and network code
The p2p alert system has been removed in #7692 and the 'alert' message is no longer supported.
Fee filtering of invs (BIP 133)
------------------------------------
The optional new p2p message "feefilter" is implemented and the protocol
version is bumped to 70013. Upon receiving a feefilter message from a peer,
a node will not send invs for any transactions which do not meet the filter
feerate. [BIP 133](https://github.com/bitcoin/bips/blob/master/bip-0133.mediawiki)
### Validation
### Build system
### Wallet
Hierarchical Deterministic Key Generation
-----------------------------------------
Newly created wallets will use hierarchical deterministic key generation
according to BIP32 (keypath m/0'/0'/k').
Existing wallets will still use traditional key generation.
Backups of HD wallets, regardless of when they have been created, can
therefore be used to re-generate all possible private keys, even the
ones which haven't already been generated during the time of the backup.
HD key generation for new wallets can be disabled by `-usehd=0`. Keep in
mind that this flag only has affect on newly created wallets.
You can't disable HD key generation once you have created a HD wallet.
There is no distinction between internal (change) and external keys.
[Pull request](https://github.com/bitcoin/bitcoin/pull/8035/files), [BIP 32](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki)
### GUI
### Tests
### Miscellaneous
Credits
=======
Thanks to everyone who directly contributed to this release:
As well as everyone that helped translating on [Transifex](https://www.transifex.com/projects/p/bitcoin/).

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