No, there is another Hint
To make a Summary, Hints for ZKK include:
01. All Oden Parallels & Hints
02. All Ryuma Parallels & Hints
03. Zoro's Portrayal & his Scenes in Wano Arc
04. Original Wano Plan (Which didn't include BM & Supernova, which is Thread u mentioned)
05. Shells Town & Arabasta Arcs Parallel (Zoro vs Morgan & Luffy vs Crocodile)
06. Few other Hints from Anime & Interviews ... etc
And all of these Six Points were Addressed multiple times by Fans & always there were New Details
But there is a New 7th Hint that happened after Roof Battle, not mentioned yet
And in my opinion, it's Bigger than the other Six, it's almost like a Confirmation & not just a Hint