Expect new version after 7.1.5 release. Extended tooltips for RGB matches are back.
Currently REFlex 2.0 record much more data than GUI allow to display. This way most of potential new features will be available for older data.
This approach have one drawback - memory usage. Due to how WoW addons works entire REFlex database must be stored in memory entire time when game in on. So for people who monitor that - don't be alarmed. It does not impact game performance in any way.