Is OpenFire 4.7.4 compatible with Spark 2.6.3?

Openfire Openfire Support
1

If I upgrade OpenFire to the newest version (4.7.4), will that immediately break my Spark 2.6.3 clients? Or can I upgrade those PCs slowly to 3.0.1?

2

I successfully connected Spark 2.6.3 to Openfire 4.7.4

3

Thanks for testing!