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@@ -1,3 +1,74 @@
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+2019-04-29 version 3.8.0 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)
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+
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+ C++
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+ * Use std::atomic<int32> in case of myriad2 platform
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+ * Always declare enums to be int-sized
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+ * Added DebugString() and ShortDebugString() methods on MessageLite
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+ * Specialized different parse loop control flows
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+ * Make hasbits potentially in register. The or's start forming an obstacle because it's a read modify store on the same mem address on each iteration.
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+ * Move to an internal MACRO for parser validity checks.
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+ * Improve map parsing performance.
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+ * Make MergePartialFromCodedStream non virtual. This allows direct calls, potential inlining and is also a code health improvement
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+ * Add an overall limit to parse_context to prevent reading past it. This allows to remove a annoying level of indirection.
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+ * Fix a mistake, we shouldn't verify map key/value strings for utf8 in opt mode for proto2.
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+ * Further improvements to cut binary size.
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+ * Prepare to make MergePartialFromCodedStream non-virtual.
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+ * A report on some interesting behavior change in python (caused by b/27494216) made me realize there is a check that needs to be done in case the parse ended on a end group tag.
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+ * Add a note of caution to the comments around skip in CodedOutputStream.
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+ * Simplify end check.
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+ * Add overload for ParseMessage for MessageLite/Message types. If the explicit type is not known inlining won't help de-virtualizing the virtual call.
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+ * Reduce linker input. It turns out that ParseMessage is not inlined, producing template instantiations that are used only once and save nothing but cost more.
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+ * Improve the parser.
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+ * [c++17] Changed proto2::RepeatedPtrField iterators to no longer derive from the deprecated std::iterator class.
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+ * Change the default value of case_insensitive_enum_parsing to false for JsonStringToMessage.
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+ * Add a warning if a field name doesn't match the style guide.
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+ * Fix TextFormat not round-trip correctly when float value is max float.
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+ * Added locationed info for some errors at compiler
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+ * Python reserved keywords are now working with getattr()/setattr() for most descriptors.
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+ * Added AllowUnknownField() in text_format
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+ * Append '_' to C++ reserved keywords for message, enum, extension
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+ * Fix MSVC warning C4244 in protobuf's parse_context.h.
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+ * Updating Iterators to be compatible with C++17 in MSVC.
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+ * Use capability annotation in mutex.h
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+ * Fix "UndefinedBehaviorSanitizer: cfi-bad-type"
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+ * CriticalSectionLock class as a lightweight replacement for std::mutex on Windows platforms.
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+ * Removed vestigial wire_format_lite_inl.h
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+
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+ C#
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+ * Added System.Memory dependency.
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+
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+ Java
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+ * Make Java protoc code generator ignore optimize_for LITE_RUNTIME. Users should instead use the Java lite protoc plugin.
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+ * Change Extension getMessageDefaultInstance() to return Message instead of MessageLite.
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+ * Prevent malicious input streams from leaking buffers for ByteString or ByteBuffer parsing.
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+ * Release new Javalite runtime.
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+ * Show warning in case potential file name conflict.
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+ * Allow Java reserved keywords to be used in extensions.
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+ * Added setAllowUnknownFields() in text format
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+ * Add memoization to ExtensionRegistryLite.getEmptyRegistry()
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+ * Improve performance of CodedOutputStream.writeUInt32NoTag
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+ * Add an optimized mismatch-finding algorithm to UnsafeUtil.
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+ * When serializing uint32 varints, check that we have MAX_VARINT32_SIZE bytes left, not just MAX_VARINT_SIZE.
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+ * Minor optimization to RopeByteString.PieceIterator
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+
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+ JavaScript
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+ * Simplify generated toObject code when the default value is used.
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+
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+ Python
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+ * Changes implementation of Name() for enums that allow aliases in proto2 in Python to be in line with claims in C++ implementation (to return first value).
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+ * Added double_format option in text format printer.
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+ * Added iter and __contains__ to extension dict
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+ * Added allow_unknown_field option in python text format parser
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+ * Fixed Timestamp.ToDatetime() loses precision issue
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+ * Support unknown field in text format printer.
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+ * Float field will be convert to inf if bigger than struct.unpack('f', b'\xff\xff\x7f\x7f')[0] which is about 3.4028234664e+38,
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+ convert to -inf if smaller than -3.4028234664e+38
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+ * Allowed casting str->bytes in Message.__setstate__
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+
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+ Ruby
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+ * Helper methods to get enum name for Ruby.
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+
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+
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2019-01-24 version 3.7.0 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)
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C++
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Hao Nguyen