Top mods / Sophisticated Core (Unofficial Fabric port)
Not listed
Sophisticated Core (Unofficial Fabric port) doesn't list Minecraft 26.3 on Modrinth. The newest release it lists is 1.21.1, on Fabric.
Open Sophisticated Core (Unofficial Fabric port) on Modrinth
This is what the mod's author listed on Modrinth, not a test. A listing doesn't prove a mod runs on your setup, and a missing listing doesn't prove it fails. Versions must match exactly, and files published elsewhere, such as CurseForge, aren't counted.