Hi, so next month the skyrim SE will cease to exist and the Skyrim Aniversary Edition will take its place, in Steam.
a Friend Saika Games made a Tutorial on how to disable the update automatically so that you can keep the Special Edition, and wait the SKSE update to AN
Remember that, if you upgrade to the new version, 99% sure that ALL of your mods will break, and it will take a while for the game to become Playable with the mods again.