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M6 release notes

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@ -6,51 +6,74 @@ Here are brief summaries of what's changed between each snapshot release.
Milestone 6
-----------
* Added the `Corda technical white paper <_static/corda-technical-whitepaper.pdf>`_. Note that its current version
is 0.5 to reflect the fact that the Corda design is still evolving. Although we expect only relatively small tweaks
at this point, when Corda reaches 1.0 so will the white paper.
* Major documentation restructuring and new content:
* More details on Corda node internals.
* New CorDapp tutorial.
* New tutorial on building transactions.
* New tutorials on how to run and use a notary service.
* Client RPC
* Kryo plugin functionality: RP
* Node explorer app: PK
* New branding
* An experimental version of the deterministic JVM sandbox has been added. It is not integrated with the node and will
undergo some significant changes in the coming releases before it is integrated, as the code is finished, as bugs are
found and fixed, and as the platform subset we choose to expose is finalised. Treat this as an outline of the basic
approach rather than something usable for production.
* Developer experience:
* Demo refactoring?
* Samples have been merged back into the main repository. All samples can now be run via command line or IntelliJ.
* Added a Client RPC python example.
* Node console output now displays concise startup information, such as startup time or web address. All logging to
the console is suppressed apart from errors and flow progress tracker steps. It can be re-enabled by passing
``--log-to-console`` command line parameter. Note that the log file remains unchanged an will still contain all
log entries.
* Data model:
* The ``runnodes`` scripts generated by the Gradle plugins now open each node in separate terminal windows or (on macOS) tabs.
* A party is now identified by a composite key (formerly known as a "public key tree") instead of a single public key.
Read more in :ref:`composite-keys`.
* A much more complete template app.
* Decentralised consensus:
* JARs now available on Maven Central.
* A prototype RAFT based notary composed of multiple nodes has been added.
* Data model: A party is now identified by a composite key (formerly known as a "public key tree") instead of a single public key.
Read more in :ref:`composite-keys`. This allows expressing distributed service identities, e.g. a distributed notary.
In the future this will also allow parties to use multiple signing keys for their legal identity.
* Configuration changes:
* Decentralised consensus: A prototype RAFT based notary composed of multiple nodes has been added. This implementation
is optimised for high performance over robustness against malicious cluster members, which may be appropriate for
some financial situations. See :ref:`notary-demo` to try it out. A BFT notary will be added later.
* It is now possible to specify a custom legal name for any of the node's advertised services.
* Node explorer app:
* Persistence
* New theme aligned with the Corda branding.
* The New Transaction screen moved to the Cash View (as it is used solely for cash transactions)
* Removed state machine/flow information from Transaction table. A new view for this will be created in a future release.
* Added a new Network View that displays details of all nodes on the network.
* Users can now configure the reporting currency in settings.
* Various layout and performance enhancements.
* LRU JDBCHashMap
* Client RPC:
* Load testing
* Added a generic ``startFlow`` method that enables starting of any flow, given sufficient permissions.
* Added the ability for plugins to register additional classes or custom serialisers with Kryo for use in RPC.
* ``rpc-users.properties`` file has been removed with RPC user settings moved to the config file.
* JVM sandbox
* Configuration changes: It is now possible to specify a custom legal name for any of the node's advertised services.
* Added a load testing framework which allows stress testing of a node cluster, as well as specifying different ways of
disrupting the normal operation of nodes. See :doc:`loadtesting`.
* Improvements to the experimental contract DSL, by Sofus Mortensen of Nordea Bank (please give Nordea a shoutout too).
API changes:
* The op level package has been renamed from ``com.r3corda`` to ``net.corda``.
* The top level package has been renamed from ``com.r3corda`` to ``net.corda``.
* Protocols have been renamed to "flows".
* ``OpaqueBytes`` now uses ``bytes`` as the field name rather than ``bits``.
Milestone 5
-----------