doc: Add historical release notes for 0.14.1

doc/release-notes/release-notes-0.14.1.md

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+Bitcoin Core version 0.14.1 is now available from:
+
+  <https://bitcoin.org/bin/bitcoin-core-0.14.1/>
+
+This is a new minor version release, including various bugfixes and
+performance improvements, as well as updated translations.
+
+Please report bugs using the issue tracker at github:
+
+  <https://github.com/bitcoin/bitcoin/issues>
+
+To receive security and update notifications, please subscribe to:
+
+  <https://bitcoincore.org/en/list/announcements/join/>
+
+Compatibility
+==============
+
+Bitcoin Core is extensively tested on multiple operating systems using
+the Linux kernel, macOS 10.8+, and Windows Vista and later.
+
+Microsoft ended support for Windows XP on [April 8th, 2014](https://www.microsoft.com/en-us/WindowsForBusiness/end-of-xp-support),
+No attempt is made to prevent installing or running the software on Windows XP, you
+can still do so at your own risk but be aware that there are known instabilities and issues.
+Please do not report issues about Windows XP to the issue tracker.
+
+Bitcoin Core should also work on most other Unix-like systems but is not
+frequently tested on them.
+
+Notable changes
+===============
+
+RPC changes
+-----------
+
+- The first positional argument of `createrawtransaction` was renamed from
+  `transactions` to `inputs`.
+
+- The argument of `disconnectnode` was renamed from `node` to `address`.
+
+These interface changes break compatibility with 0.14.0, when the named
+arguments functionality, introduced in 0.14.0, is used. Client software
+using these calls with named arguments needs to be updated.
+
+Mining
+------
+
+In previous versions, getblocktemplate required segwit support from downstream
+clients/miners once the feature activated on the network. In this version, it
+now supports non-segwit clients even after activation, by removing all segwit
+transactions from the returned block template. This allows non-segwit miners to
+continue functioning correctly even after segwit has activated.
+
+Due to the limitations in previous versions, getblocktemplate also recommended
+non-segwit clients to not signal for the segwit version-bit. Since this is no
+longer an issue, getblocktemplate now always recommends signalling segwit for
+all miners. This is safe because ability to enforce the rule is the only
+required criteria for safe activation, not actually producing segwit-enabled
+blocks.
+
+UTXO memory accounting
+----------------------
+
+Memory usage for the UTXO cache is being calculated more accurately, so that
+the configured limit (`-dbcache`) will be respected when memory usage peaks
+during cache flushes.  The memory accounting in prior releases is estimated to
+only account for half the actual peak utilization.
+
+The default `-dbcache` has also been changed in this release to 450MiB.  Users
+who currently set `-dbcache` to a high value (e.g. to keep the UTXO more fully
+cached in memory) should consider increasing this setting in order to achieve
+the same cache performance as prior releases.  Users on low-memory systems
+(such as systems with 1GB or less) should consider specifying a lower value for
+this parameter.
+
+Additional information relating to running on low-memory systems can be found
+here:
+[reducing-bitcoind-memory-usage.md](https://gist.github.com/laanwj/efe29c7661ce9b6620a7).
+
+0.14.1 Change log
+=================
+
+Detailed release notes follow. This overview includes changes that affect
+behavior, not code moves, refactors and string updates. For convenience in locating
+the code changes and accompanying discussion, both the pull request and
+git merge commit are mentioned.
+
+### RPC and other APIs
+- #10084 `142fbb2` Rename first named arg of createrawtransaction (MarcoFalke)
+- #10139 `f15268d` Remove auth cookie on shutdown (practicalswift)
+- #10146 `2fea10a` Better error handling for submitblock (rawodb, gmaxwell)
+- #10144 `d947afc` Prioritisetransaction wasn't always updating ancestor fee (sdaftuar)
+- #10204 `3c79602` Rename disconnectnode argument (jnewbery)
+
+### Block and transaction handling
+- #10126 `0b5e162` Compensate for memory peak at flush time (sipa)
+- #9912 `fc3d7db` Optimize GetWitnessHash() for non-segwit transactions (sdaftuar)
+- #10133 `ab864d3` Clean up calculations of pcoinsTip memory usage (morcos)
+
+### P2P protocol and network code
+- #9953/#10013 `d2548a4` Fix shutdown hang with >= 8 -addnodes set (TheBlueMatt)
+- #10176 `30fa231` net: gracefully handle NodeId wrapping (theuni)
+
+### Build system
+- #9973 `e9611d1` depends: fix zlib build on osx (theuni)
+
+### GUI
+- #10060 `ddc2dd1` Ensure an item exists on the rpcconsole stack before adding (achow101)
+
+### Mining
+- #9955/#10006 `569596c` Don't require segwit in getblocktemplate for segwit signalling or mining (sdaftuar)
+- #9959/#10127 `b5c3440` Prevent slowdown in CreateNewBlock on large mempools (sdaftuar)
+
+### Tests and QA
+- #10157 `55f641c` Fix the `mempool_packages.py` test (sdaftuar)
+
+### Miscellaneous
+- #10037 `4d8e660` Trivial: Fix typo in help getrawtransaction RPC (keystrike)
+- #10120 `e4c9a90` util: Work around (virtual) memory exhaustion on 32-bit w/ glibc (laanwj)
+- #10130 `ecc5232` bitcoin-tx input verification (awemany, jnewbery)
+
+Credits
+=======
+
+Thanks to everyone who directly contributed to this release:
+
+- Alex Morcos
+- Andrew Chow
+- Awemany
+- Cory Fields
+- Gregory Maxwell
+- James Evans
+- John Newbery
+- MarcoFalke
+- Matt Corallo
+- Pieter Wuille
+- practicalswift
+- rawodb
+- Suhas Daftuar
+- Wladimir J. van der Laan
+
+As well as everyone that helped translating on [Transifex](https://www.transifex.com/projects/p/bitcoin/).
+