It would be great if Jami had animated stickers and the easy import of stickers from other messengers like Telegram, in GIF formats, etc.
Some messengers have limitations on the size of the sticker, I think a maximum of 5MB per sticker is appropriate. Most Telegram stickers are 3-4MB.
Like this sticker that has a size of 3.69 MB.
Also an easy creation of packages of animated stickers in a decentralized way (without the need for intermediaries for approval of the package or centralization of the stickers).