Update protobuf to 3.18.1

ref:4846abb21711ea0dc148d4c5df7b5edd3d1bdc69

1 files changed, 75 insertions, 1 deletions

diff --git a/contrib/libs/protobuf/CHANGES.txt b/contrib/libs/protobuf/CHANGES.txt
index d3f4e019a4..69207d6ae9 100644
--- a/contrib/libs/protobuf/CHANGES.txt
+++ b/contrib/libs/protobuf/CHANGES.txt
@@ -1,3 +1,77 @@
+2021-10-04 version 3.18.1 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)
+
+  Python
+  * Update setup.py to reflect that we now require at least Python 3.5 (#8989)
+  * Performance fix for DynamicMessage: force GetRaw() to be inlined (#9023)
+
+  Ruby
+  * Update ruby_generator.cc to allow proto2 imports in proto3 (#9003)
+
+2021-09-13 version 3.18.0 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)
+
+  C++
+  * Fix warnings raised by clang 11 (#8664)
+  * Make StringPiece constructible from std::string_view (#8707)
+  * Add missing capability attributes for LLVM 12 (#8714)
+  * Stop using std::iterator (deprecated in C++17). (#8741)
+  * Move field_access_listener from libprotobuf-lite to libprotobuf (#8775)
+  * Fix #7047 Safely handle setlocale (#8735)
+  * Remove deprecated version of SetTotalBytesLimit() (#8794)
+  * Support arena allocation of google::protobuf::AnyMetadata (#8758)
+  * Fix undefined symbol error around SharedCtor() (#8827)
+  * Fix default value of enum(int) in json_util with proto2 (#8835)
+  * Better Smaller ByteSizeLong
+  * Introduce event filters for inject_field_listener_events
+  * Reduce memory usage of DescriptorPool
+  * For lazy fields copy serialized form when allowed.
+  * Re-introduce the InlinedStringField class
+  * v2 access listener
+  * Reduce padding in the proto's ExtensionRegistry map.
+  * GetExtension performance optimizations
+  * Make tracker a static variable rather than call static functions
+  * Support extensions in field access listener
+  * Annotate MergeFrom for field access listener
+  * Fix incomplete types for field access listener
+  * Add map_entry/new_map_entry to SpecificField in MessageDifferencer. They
+    record the map items which are different in MessageDifferencer's reporter.
+  * Reduce binary size due to fieldless proto messages
+  * TextFormat: ParseInfoTree supports getting field end location in addition to
+    start.
+  * Fix repeated enum extension size in field listener
+  * Enable Any Text Expansion for Descriptors::DebugString()
+  * Switch from int{8,16,32,64} to int{8,16,32,64}_t
+
+  Java
+  * Fix errorprone conflict (#8723)
+  * Removing deprecated TimeUtil class. (#8749)
+  * Optimized FieldDescriptor.valueOf() to avoid array copying.
+  * Removing deprecated TimeUtil class.
+  * Add Durations.parseUnchecked(String) and Timestamps.parseUnchecked(String)
+  * FieldMaskUtil: Add convenience method to mask the fields out of a given proto.
+
+  JavaScript
+  * Optimize binary parsing of repeated float64
+  * Fix for optimization when reading doubles from binary wire format
+  * Replace toArray implementation with toJSON.
+
+  Python
+  * Drops support for 2.7 and 3.5.
+
+  PHP
+  * Migrate PHP & Ruby to ABSL wyhash (#8854)
+  * Added support for PHP 8.1 (currently in RC1) to the C extension (#8964)
+  * Fixed PHP SEGV when constructing messages from a destructor. (#8969)
+
+  Ruby
+  * Move DSL implementation from C to pure Ruby (#8850)
+  * Fixed a memory bug with RepeatedField#+. (#8970)
+
+  Other
+  * [csharp] ByteString.CreateCodedInput should use ArraySegment offset and count (#8740)
+  * [ObjC] Add support for using the proto package to prefix symbols. (#8760)
+  * field_presence.md: fix Go example (#8788)
+
+
 2021-06-04 version 3.17.3 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)
   C++
   * Introduce FieldAccessListener.
@@ -277,7 +351,7 @@
     collection directly instead of using the other methods of the BaseContainer.
   * MessageFactory.CreateProtoype can be overridden to customize class creation.
   * Fix PyUnknownFields memory leak (#7928)
-  * Add macOS big sur compatibility (#8126)
+  * Add macOS Big Sur compatibility (#8126)
 
   JavaScript
   * Generate `getDescriptor` methods with `*` as their `this` type.