Open-source cross-platform data format used to serialize structured data

Protocol Buffers

Protocol Buffers 27.2

  -  3.1 MB  -  Freeware

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Protocol Buffers 27.2.


For those interested in downloading the most recent release of Protocol Buffers or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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What's new in this version:

Compiler:
- Avoid calling absl::InitializeLog in protoc with MSVC

C++:
- Fix string_type bugs in edition 2023
- Add simple conformance test that builds the old gencode against the current runtime
- Make the underlying type of the enum by 8-bits instead of using bitfields for

Java:
- Cleanup imports and comments in V3 stubs.
- Add stubs for GeneratedMessageV3, RepeatedFieldBuilderV3, SingleFieldBuilderV3 for compatibility with older <4.26.x gencode
- Fix checking unknown field set empty which wasn't exposed yet in 27.x
- Reserialize all unresolved features using java features from the generated pool in case of descriptors from the custom pool
- Reparse unknown features using extension registry containing Java features
- Fix data race in crosslink
- Fix delimited inheritance in all languages

Csharp:
- Regenerate stale files
- Fix delimited inheritance in all languages

Python:
- Fix delimited inheritance in all languages

PHP:
PHP C-Extension:
- Regenerate stale files
- See also UPB changes below, which may affect PHP C-Extension

Ruby:
Ruby C-Extension:
- Regenerate stale files
- See also UPB changes below, which may affect Ruby C-Extension

UPB
- Fix delimited inheritance in all languages

Other:
- Port windows bootstrapping fix