Description: Checks whether version is changed from the previous specification.
Cause: This is considered an noteworthy change.
Example: Version is changed from 2017-05-01 to 2017-07-01.
Old specification
{
"swagger": "2.0",
"info": {
"title": "swagger",
"description": "The Azure Management API.",
"version": "2017-05-01",
...New specification
{
"swagger": "2.0",
"info": {
"title": "swagger",
"description": "The Azure Management API.",
"version": "2017-07-01",
...