I think they are already past in their negotiations of purse cuts because Spence already openly said in the public that he should have the bigger slice and that means no lower than 60% purse cut while Crawford will really take the remaining 40% cut of the purse because he's been calling this fight for long and this is the closest thing he's been into against Spence and he surely knows that he can't afford to get this undisputed match for long because he will be a year inactive soon.
If they want to settle the fight in October then they should announce it no later than mid of July because they still have to prepare for that fight.
They should announce it for better preparation and for the fans to get engaged with the possible upcoming fight,
Unless they are planning for another alternative to promote the fight, access like social media and more hypes while still in
the process, and this kind of writeups and temporary delayed of the final announcement can also be used to engage people's
interest, but I agree that July might be the best time to announce the realization of this possible upcoming fight to announce.
Crawford needs little to no time to train, he has a good turn around time. Unsure of spences short announced fights but Crawford doesn't get fazed by them. Honestly the 2 of them are probably training right now is if they are going to fight so I think am anniuncent would just be an admin note more than theor starting line.