protobuf@21 ☆

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Description:
Protocol buffers (Google's data interchange format)

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: serialization protocol-buffers grpc data-format protobuf

Install: brew install protobuf@21

About:
Protocol Buffers is a language-neutral, platform-neutral, extensible mechanism for serializing structured data. It is designed to be smaller, faster, and simpler than XML or JSON. This formula provides version 21.x of the protobuf compiler and libraries.

Key Features:

Efficient binary serialization format
Language bindings for C++, Python, Java, and more
Backward and forward compatibility support
Strongly typed data schemas

Use Cases:

High-performance RPC communication between microservices
Efficient storage of structured configuration data
Interoperable data exchange in distributed systems

Alternatives:

protobuf@3 – Older major version, often required for legacy compatibility
flatbuffers – Zero-parsing serialization library focused on gaming and mobile

Version History

Detected	Version	Rev	Change	Commit
Jan 7, 2025 2:36pm		1	VERSION_BUMP	1f87cded
Oct 9, 2024 4:50pm		1	VERSION_BUMP	aa147a54