I don't think Rigol, like most Chinese companies, really focuses on firmware update. Just look at their firmware update history across all their products, the last update on any of their products was one update back in mid November. It would be OK if their firmware is rock solid, but it is not so great given many of the issues identified by the community. With the release of the Siglent 2000X Plus, if it steals away enough of Rigols market share, then perhaps it will motivate them to release the firmware update. But I am certainly not holding my breath.
Martin72, I am watching closely on your experience with the new Siglent scope, I may very well follow your footstep. Siglent appears to do a much better job in upgrading firmware, and paying attention to our issues in the EEVblog related to their products (of course, there is always the excellent support from Daniel at Keysight).