Change ByteListFormatter behaviour to keep binary compatibility for List<byte> #2139
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AArnott
approved these changes
Jan 25, 2025
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about: #2099 (comment)
@AArnott @pCYSl5EDgo
Last year, due to optimization code that was introduced, the serialization results for
List<byte>became different between .NET 8 and other versions.The correct behavior should be returning identical serialization results across all platforms.
Therefore, we reverted the behavior of
List<byte>to its original state.This is a breaking change that requires careful consideration.
To protect serialized
List<byte>data that already exists in .NET 8 environments,we decided to support both array and binary deserialization.
We believe this will allow for updates without practical issues.