Other than @gewarren comment #8391 (review), System.Diagnostics LGTM.

Docs Build status updates of commit c5e614c:

💡 Validation status: suggestions

xml/System.Net.Http.Headers/HeaderStringValues.xml

• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NoFoundParent] Found no member can be inherited by key:System#Collections#Generic#IEnumerable{System#String}#GetEnumerator for uid: System.Net.Http.Headers.HeaderStringValues.System#Collections#Generic#IEnumerable{System#String}#GetEnumerator.
• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NoFoundParent] Found no member can be inherited by key:System#Collections#IEnumerable#GetEnumerator for uid: System.Net.Http.Headers.HeaderStringValues.System#Collections#IEnumerable#GetEnumerator.

xml/System.Net.Http.Headers/HeaderStringValues+Enumerator.xml

• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NoFoundParent] Found no member can be inherited by key:System#Collections#IEnumerator#Current for uid: System.Net.Http.Headers.HeaderStringValues.Enumerator.System#Collections#IEnumerator#Current.
• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NoFoundParent] Found no member can be inherited by key:System#Collections#IEnumerator#Reset for uid: System.Net.Http.Headers.HeaderStringValues.Enumerator.System#Collections#IEnumerator#Reset.

xml/System.Net.Http.Headers/HttpHeadersNonValidated.xml

• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NoFoundParent] Found no member can be inherited by key:System#Collections#Generic#IEnumerable{System#Collections#Generic#KeyValuePair{System#String@System#Net#Http#Headers#HeaderStringValues}}#GetEnumerator for uid: System.Net.Http.Headers.HttpHeadersNonValidated.System#Collections#Generic#IEnumerable{System#Collections#Generic#KeyValuePair{System#String@System#Net#Http#Headers#HeaderStringValues}}#GetEnumerator.
• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NoFoundParent] Found no member can be inherited by key:System#Collections#Generic#IReadOnlyDictionary{System#String@System#Net#Http#Headers#HeaderStringValues}#ContainsKey(System.String) for uid: System.Net.Http.Headers.HttpHeadersNonValidated.System#Collections#Generic#IReadOnlyDictionary{System#String@System#Net#Http#Headers#HeaderStringValues}#ContainsKey(System.String).
• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NoFoundParent] Found no member can be inherited by key:System#Collections#Generic#IReadOnlyDictionary{System#String@System#Net#Http#Headers#HeaderStringValues}#Keys for uid: System.Net.Http.Headers.HttpHeadersNonValidated.System#Collections#Generic#IReadOnlyDictionary{System#String@System#Net#Http#Headers#HeaderStringValues}#Keys.
• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NoFoundParent] Found no member can be inherited by key:System#Collections#Generic#IReadOnlyDictionary{System#String@System#Net#Http#Headers#HeaderStringValues}#TryGetValue(System.String,System.Net.Http.Headers.HeaderStringValues@) for uid: System.Net.Http.Headers.HttpHeadersNonValidated.System#Collections#Generic#IReadOnlyDictionary{System#String@System#Net#Http#Headers#HeaderStringValues}#TryGetValue(System.String,System.Net.Http.Headers.HeaderStringValues@).
• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NoFoundParent] Found no member can be inherited by key:System#Collections#Generic#IReadOnlyDictionary{System#String@System#Net#Http#Headers#HeaderStringValues}#Values for uid: System.Net.Http.Headers.HttpHeadersNonValidated.System#Collections#Generic#IReadOnlyDictionary{System#String@System#Net#Http#Headers#HeaderStringValues}#Values.
• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NoFoundParent] Found no member can be inherited by key:System#Collections#IEnumerable#GetEnumerator for uid: System.Net.Http.Headers.HttpHeadersNonValidated.System#Collections#IEnumerable#GetEnumerator.

xml/System.Net.Http.Headers/HttpHeadersNonValidated+Enumerator.xml

• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NoFoundParent] Found no member can be inherited by key:System#Collections#IEnumerator#Current for uid: System.Net.Http.Headers.HttpHeadersNonValidated.Enumerator.System#Collections#IEnumerator#Current.
• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NoFoundParent] Found no member can be inherited by key:System#Collections#IEnumerator#Reset for uid: System.Net.Http.Headers.HttpHeadersNonValidated.Enumerator.System#Collections#IEnumerator#Reset.

xml/System.Numerics/BigInteger.xml

• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NotSupportType] Inheridoc not support type: Operator for uid:System.Numerics.BigInteger.op_UnsignedRightShift(System.Numerics.BigInteger,System.Int32).

xml/System.Numerics/Complex.xml

• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NotSupportType] Inheridoc not support type: Operator for uid:System.Numerics.Complex.op_Decrement(System.Numerics.Complex).
• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NotSupportType] Inheridoc not support type: Operator for uid:System.Numerics.Complex.op_Increment(System.Numerics.Complex).
• Line 0, Column 0: [Suggestion: ECMA2Yaml_Inheritdoc_NotSupportType] Inheridoc not support type: Operator for uid:System.Numerics.Complex.op_UnaryPlus(System.Numerics.Complex).

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