- Updated URL to https://github.com/protocolbuffers/protobuf
- Update to v3.14.0
  Protocol Compiler
  * The proto compiler no longer requires a .proto filename when it is not
    generating code.
  * Added flag `--deterministic_output` to `protoc --encode=...`.
  * Fixed deadlock when using google.protobuf.Any embedded in aggregate options.
  C++
  * Arenas are now unconditionally enabled. cc_enable_arenas no longer has
    any effect.
  * Removed inlined string support, which is incompatible with arenas.
  * Fix a memory corruption bug in reflection when mixing optional and
    non-optional fields.
  * Make SpaceUsed() calculation more thorough for map fields.
  * Add stack overflow protection for text format with unknown field values.
  * FieldPath::FollowAll() now returns a bool to signal if an out-of-bounds
    error was encountered.
  * Performance improvements for Map.
  * Minor formatting fix when dumping a descriptor to .proto format with
    DebugString.
  * UBSAN fix in RepeatedField
  * When running under ASAN, skip a test that makes huge allocations.
  * Fixed a crash that could happen when creating more than 256 extensions in
    a single message.
  * Fix a crash in BuildFile when passing in invalid descriptor proto.
  * Parser security fix when operating with CodedInputStream.
  * Warn against the use of AllowUnknownExtension.
  * Migrated to C++11 for-range loops instead of index-based loops where
    possible. This fixes a lot of warnings when compiling with -Wsign-compare.
  * Fix segment fault for proto3 optional
  * Adds a CMake option to build `libprotoc` separately
  Java
  * Bugfix in mergeFrom() when a oneof has multiple message fields.
  * Fix RopeByteString.RopeInputStream.read() returning -1 when told to read
    0 bytes when not at EOF.
  * Redefine remove(Object) on primitive repeated field Lists to avoid
    autoboxing.
  * Support "\u" escapes in textformat string literals.
  * Trailing empty spaces are no longer ignored for FieldMask.
  * Fix FieldMaskUtil.subtract to recursively remove mask.
  * Mark enums with `@java.lang.Deprecated` if the proto enum has option
    `deprecated = true;`.
  * Adding forgotten duration.proto to the lite library
  Python
  * Print google.protobuf.NullValue as null instead of "NULL_VALUE" when it is
    used outside WKT Value/Struct.
  * Fix bug occurring when attempting to deep copy an enum type in python 3.
  * Add a setuptools extension for generating Python protobufs
  * Remove uses of pkg_resources in non-namespace packages
  * [bazel/py] Omit google/__init__.py from the Protobuf runtime
  * Removed the unnecessary setuptools package dependency for Python package
  * Fix PyUnknownFields memory leak
  PHP
  * Added support for "==" to the PHP C extension
  * Added `==` operators for Map and Array
  * Native C well-known types
  * Optimized away hex2bin() call in generated code
  * New version of upb, and a new hash function wyhash in third_party
  * add missing hasOneof method to check presence of oneof fields
  Go:
  * Update go_package options to reference google.golang.org/protobuf module.
  C#:
  * annotate ByteString.CopyFrom(ReadOnlySpan<byte>) as SecuritySafeCritical
  * Fix C# optional field reflection when there are regular fields too
  * Fix parsing negative Int32Value that crosses segment boundary
  Javascript:
  * JS: parse (un)packed fields conditionally
- from version 3.13.0
  PHP:
  * The C extension is completely rewritten. The new C extension has significantly
    better parsing performance and fixes a handful of conformance issues. It will
    also make it easier to add support for more features like proto2 and proto3 presence.
  * The new C extension does not support PHP 5.x. PHP 5.x users can still use pure-PHP.
  C++:
  * Removed deprecated unsafe arena string accessors
  * Enabled heterogeneous lookup for std::string keys in maps.
  * Removed implicit conversion from StringPiece to std::string
  * Fix use-after-destroy bug when the Map is allocated in the arena.
  * Improved the randomness of map ordering
  * Added stack overflow protection for text format with unknown fields
  * Use std::hash for proto maps to help with portability.
  * Added more Windows macros to proto whitelist.
  * Arena constructors for map entry messages are now marked "explicit"
    (for regular messages they were already explicit).
  * Fix subtle aliasing bug in RepeatedField::Add
  * Fix mismatch between MapEntry ByteSize and Serialize with respect to unset
    fields.
  Python:
  * JSON format conformance fixes:
    * Reject lowercase t for Timestamp json format.
    * Print full_name directly for extensions (no camelCase).
    * Reject boolean values for integer fields.
    * Reject NaN, Infinity, -Infinity that is not quoted.
    * Base64 fixes for bytes fields: accept URL-safe base64 and missing padding.
  * Bugfix for fields/files named "async" or "await".
  * Improved the error message when AttributeError is returned from __getattr__
    in EnumTypeWrapper.
  Java:
  * Fixed a bug where setting optional proto3 enums with setFooValue() would
    not mark the value as present.
  * Add Subtract function to FieldMaskUtil.
  C#:
  * Dropped support for netstandard1.0 (replaced by support for netstandard1.1).
    This was required to modernize the parsing stack to use the `Span<byte>`
    type internally
  * Add `ParseFrom(ReadOnlySequence<byte>)` method to enable GC friendly
    parsing with reduced allocations and buffer copies
  * Add support for serialization directly to a `IBufferWriter<byte>` or
    to a `Span<byte>` to enable GC friendly serialization.
    The new API is available as extension methods on the `IMessage` type
  * Add `GOOGLE_PROTOBUF_REFSTRUCT_COMPATIBILITY_MODE` define to make
    generated code compatible with old C# compilers (pre-roslyn compilers
    from .NET framework and old versions of mono) that do not support
    ref structs. Users that are still on a legacy stack that does
    not support C# 7.2 compiler might need to use the new define
    in their projects to be able to build the newly generated code
  * Due to the major overhaul of parsing and serialization internals,
    it is recommended to regenerate your generated code to achieve the best
    performance (the legacy generated code will still work, but might incur
    a slight performance penalty).
- Fix the python subpackage generation
  gh#openSUSE/python-rpm-macros#79
- Support multiple python3 flavors gh#openSUSE/python-rpm-macros#66

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