Backend private connection for variable TLS SNI in 2.2

Do you have any plans to backport ‘private backend connection’ from HA2.3 to HA2.2?

I mean that option in 2.3 config guide

  - connections sent to a server with a variable value as TLS SNI extension
    are marked private and are never shared. This is not the case if the SNI
    is guaranteed to be a constant, as for example using a literal string;