I believe Disney has ruled out an opening for the WDWRR in 2022, which leads me to believe this is coming at the earliest in early 2023. They have said that Tron will be open before the 50th celebration ends in March 2023, so it is possible to see the ride and while they also said Tron would be open in 2021, it's very plausible to think this could be open anytime from Jan-March 2023.
D23 this year will be interesting since Tron is the last thing that they announced at D23 in 2017 that will have yet to open from that huge announcement in 2017 (At least of the projects that seem to be happening - MS Theater is dead, Poppins seems dead, who knows whats going on with Epcot event space. Play! probably has the best chance of happening.)
Point being, what's the next big thing? What's going on at DAK? That park could use an injection of new rides much in the way DHS got. Use the space near Kali to expand and do Australia. Dinoland needs to be fixed up and Primeval Whirl at the very least needs a replacement if not the entire Chester/Hester area being replaced.
I also feel like Epcot AND DHS could both use more help, but Epcot probably won't see any investment for awhile now. DHS may. There's underutilized land with animation courtyard, so if there's the opportunity to shove another IP in or something, I can see them jumping on it. The shows need to be changed out also. People are done with these 25-30 year old shows. I knows they are popular and new to most, but many have seen them many times and a version of Frozen, Tangled, Encanto (the movie literally lends itself straight to the stage perfectly), etc would be popular to all and new to all.