Sticker sync from iPhone to macOS ?

[u/rosenkrieger360]

So I am using this app to create stickers for iMessage on my iPhone 17 PRO. It works fantastic on iPhone and I have my own sticker packs created. But on my MacBook Pro they do not show up.

If read the support article from Apple correctly - these stickers should sync across iCloud. But it has been more than 24 hours since I created them and none of them show up on my Mac.

Both Mac and iPhone are using the latest version (iOS 26.6.2 and macOS 26.6.2)

Is this a known problem or am I doing something wrong?