As mentioned in another thread, there is a new open data feeds platform that has gone live to a selected group. This has essentially no obfuscation at the real-time level: however this still applies at the schedule level and headcodes are not available at that point. RTT transitioned to this feed overnight.
There are other services that have access to, and make use of, another data feed that has the full completeness of the schedules - and some have been for a long time. RTT does have access to such feed but in the interests of keeping it relatively level for everyone else we're keeping the obfuscated feed in place. (And yes, I realise that's a bit hypocritical given the rolling stock consist thing but you work with what you've got within the contractual and legal bounds in which you're permitted to do.)