Merge pull request dotnet#6058 from dotnet/rbhanda-patch-4

Update 6.0.0-preview.2.md

Merge pull request dotnet#6044 from dotnet/leecow-patch

remove rhel6 from 3.1.12 release

Merge pull request dotnet#6044 from dotnet/leecow-patch

remove rhel6 from 3.1.12 release

Merge pull request dotnet#5969 from dotnet/rbhanda-patch-3

Update README.md

Merge pull request dotnet#5933 from dotnet/rbhanda-patch-2

Update 5.0.3.md

Merge pull request dotnet#5933 from dotnet/rbhanda-patch-2

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Merge pull request dotnet#5933 from dotnet/rbhanda-patch-2

Update 5.0.3.md

Merge pull request dotnet#5848 from dotnet/rbhanda-patch-2

Update releases.json

Merge pull request dotnet#5848 from dotnet/rbhanda-patch-2

Update releases.json

Merge pull request dotnet#5848 from dotnet/rbhanda-patch-2

Update releases.json