Optifine: NOT compatible
Features
✔ Revamped Nether / Ends
✔ Custom Villagers & Underground Villages
✔ Shrines
✔ Dynamic Surroundings
✔ Tiny Tweaks
✔ 1.17 Caves and Cliffs Caves Generation
✔ Journey Map
✔ Better than vanilla ;)
✖ DO NOT add Optifine as the modpack already contains Fabric Ports (Magnesium, Helium, Sulfuric) which are incompatible with optifine and will crash on load
Servers
✔ For best performance please use aikar's flags & Java 11
✔ For best performance also allocate AT LEAST 2GB
java -Xms4G -Xmx4G
-XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -XX:InitiatingHeapOccupancyPercent=15 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true -jar server.jar nogui
Images
End:
Nether:
Overworld: