add_tags replaced tags which changed the concept of adding tags to all metrics pre-sink, to allowing tags to be defined per sink
add_tags is only added if using metric sink routing is configured. This is a regression compared to the previous tags configuration that allowed all metrics to be tagged with additional tags whether the routing was enabled or not.
Context:
add_tagsis only added if using metric sink routing is configured. This is a regression compared to the previoustagsconfiguration that allowed all metrics to be tagged with additional tags whether the routing was enabled or not.