* Engine Updates and Fixes

- Fix issue with logging the null character in `ScriptBlock` logging (Internal 5607)
- Consolidation of all Windows PowerShell work ported to 6.1 (Internal 5233)

* General Cmdlet Updates and Fixes

- Use `ZipFile` and `ExtractToDirectory` APIs to extract zip file (Internal 5608)

* Build and Packaging Improvements

- Update the Archive module version (Internal 5671)
- Update to .NET Core `2.1.5` with SDK `2.1.403` (#7936) (Thanks @iSazonov!)
- Disable package major upgrade tests for release branch (Internal 5209)
- Bump versions for dependencies (Internal 5612)
- Port changes to allow `AzDevOps` NuGet feeds for macOS build (Internal 5716)
- Port macOS changes from GitHub (#8189, #8188, #8185)
- Add function to create a new `nuget.config` file (#8170)
- Updated `wxs` file to match published packages (Internal 5660)

* Tests

- Change API to match cmdlet which is more reliable in `AzDevOps` Pipelines Windows (#8003)
- Fix conflict with `Get-AdlStoreChildItem` from `az` module in tab completion tests (#8167)