Reportedly, Samsung has decided against releasing the Galaxy S21 FE with an Exynos 2100 in Europe. Instead, the Snapdragon 888 will take its place, but with Android 11 and One UI 3.1 rather than Android 12 and One UI 4.
https://www.notebookcheck.net/No-Samsung-Exynos-2100-Delayed-Galaxy-S21-FE-could-arrive-next-year-in-Europe-with-Android-11-and-a-Snapdragon-888.586325.0.html