When you add a tag to a device, you now have the option of adding meta data to the individual tag. Meta data summarizes basic information about data. This feature allows you to define key-value pair data for the device output payload later on. It can then be used to find, use, and reuse particular instances of data.
When you add a tag to a device, you can now enable the option to Only Publish on Change of Value. This option customizes NATS messages to be published only when the value parameter changes from a previous value to a new one. This only applies to numerical/string data values such as int, real, and float. It does not apply to JSON or arrays. Poll-once topics will not be affected by Change of Value settings. These topics will still only see a single message.
The Tag Formula parameter is now available for Gen 2 driver tags. Two variables are permitted: value (current tag value) and timestamp (current tag UNIX time in milliseconds). The following math functions are available: