StoneBlock 4 vs StoneBlock 3: What's New
StoneBlock 4 landed in late 2025 and is a bigger jump from StoneBlock 3 than previous version bumps. New Minecraft version, reworked quest progression, a refreshed mod list and some of the biggest additions to the StoneBlock formula since the original pack. Here is a breakdown of what actually changed and whether it is worth switching your world.
Minecraft version and performance
StoneBlock 3 shipped on Minecraft 1.19.2. StoneBlock 4 moves to Minecraft 1.21, which is a huge version jump. You get the new world-generation features, the archaeology/trail-ruins content, the vault and mace mechanics, and every performance improvement baked into 1.20 and 1.21.
Performance is the biggest practical win. SB4 uses modern Forge/NeoForge with Embeddium and Oculus for client-side rendering. Frame rates on comparable hardware are significantly higher than SB3, and server tick times are better thanks to improvements in modern mod versions.
New headline mods
SB4 swaps out a fair chunk of the SB3 mod list. The big additions:
- Ars Nouveau 1.21 — full spell-crafting now available as a progression path, not just endgame fluff
- Occultism — adds ritual magic and dimensional storage as a mid-game alternative to AE2
- Apotheosis — reworked enchanting, bosses, affixes
- Mekanism 1.21 — updated with factories and the QIO storage system
- Create 6.0 — the full modern Create, trains and all
Quest progression
SB3's quest line felt bolted on — do some tech, do some magic, break out of the stone. SB4 has a fully reworked quest tree with three parallel progression paths (Tech, Magic, Exploration) that converge for the endgame. Each path has unique unlocks and you can complete them independently, which makes co-op play on a multiplayer server much more interesting.
World generation
Still the iconic StoneBlock infinite-stone-world, but SB4 adds pockets of custom biomes — lava caves, crystal caverns and mushroom chambers scattered through the stone. You will still spend the first hours mining out your starter room, but there is much more variety once you break out of it.
Should you switch from SB3?
If you are mid-world on SB3 with a large base, it is probably not worth migrating — SB4 is on a different Minecraft version so your world is not compatible. But if you are starting fresh or considering jumping back into StoneBlock, SB4 is the clear pick. Better performance, more content, and a reworked quest system that gives multiplayer co-op players something to do together instead of all fighting for the same progression.

