Unexpected input(s) 'submodules', valid inputs are ['dotnet-version', 'dotnet-quality', 'global-json-file', 'source-url', 'owner', 'config-file', 'cache', 'cache-dependency-path']

Unexpected input(s) 'submodules', valid inputs are ['dotnet-version', 'dotnet-quality', 'global-json-file', 'source-url', 'owner', 'config-file', 'cache', 'cache-dependency-path']

'Exception.Exception(SerializationInfo, StreamingContext)' is obsolete: 'This API supports obsolete formatter-based serialization. It should not be called or extended by application code.' (https://aka.ms/dotnet-warnings/SYSLIB0051)

Cannot convert null literal to non-nullable reference type.

Possible null reference return.

Possible null reference assignment.

Possible null reference assignment.

Possible null reference assignment.

Possible null reference return.

Suggest using top level route registrations instead of UseEndpoints (https://aka.ms/aspnet/analyzers)

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.