New validations on paths in API configurations API Gateway now enforces stricter syntax validations on templated paths when you create new API configurations and gateways

## Change Change **New validations on paths in API configurations** API Gateway now enforces stricter syntax validations on templated paths when you create new API configurations and gateways. See [path templating syntax rules](https://cloud.google.com/api-gateway/docs/path-templating#syntax%5Frules) and [limits](https://cloud.google.com/api-gateway/docs/path-templating#limits) for more information.