I think the security.ssl.disable_session_identifiers pref in Gecko browsers is meant to allow for it without modifying the code, and I haven't spotted a similar

I think the security.ssl.disable_session_identifiers pref in Gecko browsers is meant to allow for it without modifying the code, and I haven't spotted a similarly easy way of controlling HTTP/2 connections. Otherwise, point taken. Is there anything we haven't discussed that would fall within the HTTP/2 spec's "Reusing connections for different origins allows tracking across those origins." warning?