This might actually be addressed, albeit very quickly, in one of drafts: https://go.googlesource.com/proposal/+/master/design/go2draft-error-printing.md#error-t

This might actually be addressed, albeit very quickly, in one of drafts: https://go.googlesource.com/proposal/+/master/design/go2draft-error-printing.md#error-trees https://go.googlesource.com/proposal/+/master/design/go2draf.... >To implement formatting a tree of errors, an error list type could print itself as a new error chain, returning this single error with the entire chain as detail. Error list types occur fairly frequently, so it may be beneficial to standardize on an error list type to ensure consistency.