New properties added in 6.0 timeframe

[marcpopMSFT]

We will look into automation for this but for now, creating an issue where we can add a line item for each new/modified property in the 6.0 timeframe.

• UseCurrentRuntimeIdentifier Add --use-current-runtime option #14093

[marcpopMSFT]

We'll use labels of document for new feature and document for breaking change instead.