Top runtime issues

Add support for custom ALPN list in HttpClient

area-System.Net.Http bug

CultureInfo.DisplayName do not return the string in language/culture specified by `CurrentUICulture` or `CurrentCulture`

area-System.Globalization bug tenet-compatibility

Proposal: Add an overload of string.Replace that accepts CultureInfo and CompareOption (and additionally Span-based overloads)

api-suggestion area-System.Runtime

Indexer.Set of List is much slower than Array

area-System.Collections tenet-performance up-for-grabs

Look into removing DbDataReaderExtensions.Facade.cs

area-System.Data

Utf8JsonReader\Writer should support all primitive types

api-needs-work area-System.Text.Json

Span/ReadOnlySpan constructors throw with wrong parameter name

area-System.Memory

[System.Management] ManagementObjectSearcher throws MarshalDirectiveException

area-System.Management

Using VS 2019 Community Mac, rzc discover exited with code 150. when building Web Application template

API Proposal: DbCommandSet -- allows multiple DbCommands to be transmitted to server in single message

api-suggestion area-System.Data