v3.11.1

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PHP

• Extern declare protobuf_globals (#​6946)

v3.11.0

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C++

• Make serialization method naming consistent

• Make proto runtime + generated code free of deprecation warnings

• Moved ShutdownProtobufLibrary() to message_lite.h. For backward compatibility a declaration is still available in stubs/common.h, but users should prefer message_lite.h

• Removed non-namespace macro EXPECT_OK()

• Removed mathlimits.h from stubs in favor of using std::numeric_limits from C++11

• Fixed bug in parser when ending on a group tag

• Add a helper function to UnknownFieldSet to deal with the changing return value of message::unknown_fields()

• Fix incorrect use of string_view iterators

• Support direct pickling of nested messages

• Skip extension tag validation for MessageSet if unknown dependencies are allowed

• Updated deprecation macros to annotate deprecated code (#​6612)

• Remove conversion warning in MapEntryFuncs::ByteSizeLong (#​6766)

• Revert "Make shared libraries be able to link to MSVC static runtime libraries, so that VC runtime is not required." (#​6914)

  Java

• Remove the usage of MethodHandle, so that Android users prior to API version 26 can use protobuf-java

• Publish ProGuard config for javalite

• Fix for StrictMode disk read violation in ExtensionRegistryLite

• Include part of the ByteString's content in its toString().

• Include unknown fields when merging proto3 messages in Java lite builders

  Python

• Add float_precision option in json format printer

• Optionally print bytes fields as messages in unknown fields, if possible

• FieldPath: fix testing IsSet on root path ''

• Experimental code gen (fast import protobuf module) which only work with cpp generated code linked in

  JavaScript

• Remove guard for Symbol iterator for jspb.Map

  PHP

• Avoid too much overhead in layout_init (#​6716)

• Lazily Create Singular Wrapper Message (#​6833)

• Implement lazy loading of php class for proto messages (#​6911)

  Ruby

• Ruby lazy wrappers optimization (#​6797)

  C#

• (RepeatedField): Capacity property to resize the internal array (#​6530)

• Experimental proto2 support is now officially available (#​4642, #​5183, #​5350, #​5936)

• Getting started doc: https://github.com/protocolbuffers/protobuf/blob/master/docs/csharp/proto2.md

• Add length checks to ExtensionCollection (#​6759)

• Optimize parsing of some primitive and wrapper types (#​6843)

• Use 3 parameter Encoding.GetString for default string values (#​6828)

• Change _Extensions property to normal body rather than expression (#​6856)

  Objective C

• Fixed unaligned reads for 32bit arm with newer Xcode versions (#​6678)