Hi all,

The final release of Protobuf 2.6.0 is now available:
https://code.google.com/p/protobuf/wiki/Download?tm=2

Documentation will be updated soon.

CHANGES
========
2014-08-15 version 2.6.0:

General
* Added oneofs(unions) feature. Fields in the same oneof will share
memory and at most one field can be set at the same time. Use the
oneof keyword to define a oneof like:
  message SampleMessage {
    oneof test_oneof {
      string name = 4;
      YourMessage sub_message = 9;
    }
  }
* Files, services, enums, messages, methods and enum values can be marked
as deprecated now.
* Added Support for list values, including lists of mesaages, when
parsing text-formatted protos in C++ and Java.
For example: foo: [1, 2, 3]

C++
* Enhanced customization on TestFormat printing.
* Added SwapFields() in reflection API to swap a subset of fields.
Added SetAllocatedMessage() in reflection API.
* Repeated primitive extensions are now packable. The
[packed=true] option only affects serializers. Therefore, it is
possible to switch a repeated extension field to packed format
without breaking backwards-compatibility.
* Various speed optimizations.

Java
* writeTo() method in ByteString can now write a substring to an
output stream. Added endWith() method for ByteString.
* ByteString and ByteBuffer are now supported in CodedInputStream
and CodedOutputStream.
* java_generate_equals_and_hash can now be used with the LITE_RUNTIME.

Python
* A new C++-backed extension module (aka "cpp api v2") that replaces the
old ("cpp api v1") one. Much faster than the pure Python code. This one
resolves many bugs and is recommended for general use over the
pure Python when possible.
* Descriptors now have enum_types_by_name and extension_types_by_name dict
attributes.
* Support for Python 3.



Thanks,
Jie

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