protocolbuffers / protocolbuffers/protocolbuffers.github.io
C# Generated Code Guide claims only proto3 supported
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Since Oct 17, 2025.
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Description
The C# Generated Code Guide claims that the C# code generator only supports proto3 and requires that all .proto files begin with
syntax = "proto3";
despite Editions being supported in C# since v27.0.
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