Bethesda posted a new blog post about the removal of the mod size limit for Skyrim.
More information.
This only affects Steam’s Skyrim Workshop as the Nexus never had any size limits.Get ready for bigger mods on Steam’s Skyrim Workshop. This week we’ve pulled the restraining bolt that restricted mod sizes to 100 mb – allowing you to upload mod projects to the file size your project demands!
Before we go live with this feature for everyone, we’re beta testing things this week – both for Skyrim’s PC launcher and the Creation Kit, too.
More information.