Chagelog.md

9/12/2017 - 1.9.4

• For "collectionFormat": "multi" in query parameters, if the item type is null or undefined then we treat it as an empty string
• Removing the check that primaryType in the formatted reference value should only be a string. It can be any other primary type apart from "string".

9/5/2017 - 1.9.3

• Added support for "collectionFormat": "multi" in query parameters Azure/autorest#717.