Does Grafana support to connect pub/sub data sources?

I would like to connect Grafana with pub/sub data stream for creating realtime dashboard, instead of setting refresh rate on seconds to pull the data.

Does Grafana support this feature or provide data/api entries for developing plugin?

Thanks.

Current support for pub/sub is very minimal. See here for more details and for someone else who is also interested in this feature: https://github.com/grafana/grafana/issues/9066