It genuinely pains me to tell you that this Thursday feeling really, truly is based on nothing at all lol! The inside info I got was very general: my take from it was that we are very likely to see races return soon. But nothing more specific than that, unfortunately. Sorry!
I will say that I think any rD news will be preempted by WDW news of mask rule changes, events, reopenings, etc. - so it's possible rD could be ready to announce... something... but has to wait while WDW rolls out other stuff. That's also not based on anything, other than 30 years of watching how WDW PR/marketing rolls.