Top mods / Fabric Seasons
Not listed
Fabric Seasons doesn't list Minecraft 26.3 on Modrinth. The newest release it lists is 1.21.1, on Fabric (beta files only).
Open Fabric Seasons on Modrinth
Also lists 3 snapshot or pre-release versions, not counted here.
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.