Hello @Emma1-N
Look like the Microsoft team have resolved the issue by making a new update available as of yesterday so i have already installed this update and seems to be the emoji are loading fine right now.
Can you check if Microsoft release this update yesterday?
I asked this because of Google play is randomly found updates for apps
Here the update information i received yesterday.
What's new
General improvements to ensure your Microsoft SwiftKey Keyboard runs smoothly..
Version 9.13. 19.3
Updated on 26 October 2026