Merge pull request #534 from Azure/preview

Merge preview to release/preview/v8 for 8.0.0-preview.2 release

update versions in csproj files to 8.0.0-preview (#527)

Merge pull request #523 from Azure/main

Merge main to release/stable/v7 for 7.1.0 stable release

Merge pull request #511 from Azure/preview

Merge preview to release/preview/v7 for 7.1.0-preview release

Merge pull request #497 from Azure/main

Merge main to release/stable/v7 for 7.0.0 stable release

Merge pull request #481 from Azure/main

Merge main to release/stable/v6 for 6.1.1 stable release

Merge pull request #450 from Azure/preview

Merge preview to release/preview/v7 for 7.0.0-preview2 release

Merge pull request #448 from Azure/main

Merge main to release/stable/v6 for 6.1.0 stable release

Merge pull request #439 from Azure/preview

Revert "parse requirement type of feature flags" for 7.0.0-preview release

Merge pull request #414 from Azure/main

Merge main to release/stable/v6 for 6.0.1 stable release