Extreme Optimization!

To run server on Java 21+, Cleanroom is used instead of Forge (full guide).

Just download the modpack if you need Java 8. For Java 21+ - make sure you really need Fugue and Scalar, as well as MixinBooter and ConfigAnytime (maybe you can safely remove / skip them).

If you need a zip archive (jars), use converters from mrpack to zip - they will recognize and archive mods.

Server version = mods to speed up chunk loading, reduce memory and CPU usage, as well as optimize other logic.

A huge thanks to Opticraft for the incredibly helpful explanation of the current modded 1.12.2 situation.

Extremely recommend using Get It Together, Drops! if you're planning to dig a lot of blocks (ideally, live on a skyblock or in a void world, or something similar).

Some configs have been changed.

Some mods are from other sources, so they may not update automatically. It is recommended to check after downloading the modpack whether they have been updated:

Fixeroo.

Highly recommend these mods, not included because they don't align with Extreme Optimization! concept and "Base" / there is a chance that their optimization has already been implemented by another mod(s) / other reasons, but may be useful:

!Don't forget to check whether they are for the server or the client, or if it depends on whether you are playing in singleplayer.

Sledgehammer - Smashes the stupid out of the client & server (actually, a really good mod, but requires meticulous configuration tuning to suit each user's needs).

Born in a Barn - Fixes a Minecraft bug where Village doors keep chunks loaded (might already be fixed by other mods).

Fix Experience Bug - Fixes bug where experience does not display (and cannot be used) after changing dimensions (might already be fixed by other mods, or you might not encounter it at all).

Redirectionor [Retro] - Replacing references to element values in enum classes with static final field values references.

* "Dependencies" may not show all the mods.