1. fixed bug with breaking apiary with bee (1.21.1)
2. fixed bug with item capability in liquid reactor input and output (1.21.1)

Changelog (1.12.2–1.21.1)

1. Added noise-based ore vein generation (1.19.2+).
2. Fixed a bug with Silk Touch not working correctly on certain mod blocks (1.19.2+).
3. Fixed a bug with the solar system hologram (1.19.2).
4. Added noise-based volcano generation (1 volcano per 24×24 chunks, no overlapping volcanoes possible) (1.19.2+).
5. Implemented 10th-generation energy network (1.19.2+).
6. Slightly optimized the energy network (1.12.2, partially backported from 10th-gen).
7. Fixed crafting recipes for Spectral and Proton Gaskets.

Changelog (1.12.2–1.21.1)

1. Increased nitrate output from saltpeter in the mineral separator from 1 to 2–3.
2. Added the basic Electric Age section to the guidebook.
3. Fixed the issue with the vending machine not functioning properly when the inventory is full but operations are ongoing.
4. Added support for custom machine recipes (1.21.1).
5. Fixed a bug in the IU guide where the "Complete" button was unavailable if the player had more items than required for the quest (1.12.2).
6. Fixed a synchronization bug between the server and client when using the relocator.
7. Fixed a bug in the ore mode of tools (1.21.1).
8. Rewritten 1.21.1 version to use data components.
9. Fixed a bug with wire dismantling — if the slot was full, the wire would unload incorrectly.
10. Fixed the foam sprayer not working correctly on wires or blocks that don't support auto-replacement (1.19.2+).
11. Fixed a bug where applying sand to foam resulted in a uranium block instead (1.19.2+).
12. Katana and Gravitool now display charge level (not in tooltip) (1.19.2+).
13. Cathodes and anodes now break properly (1.19.2+).

Changelog (1.12.2-1.21.1):

1. Slightly reworked the logic of the Earth Quarry.
2. Added smooth animation for filling and draining tanks in machines (not in the interface) (1.19.2+).
3. Added sound effects for placing and removing fluids (1.19.2+).
4. Basalt lava now emits light (1.19.2+).
5. Some fluids now deal damage (1.19.2+).
6. Fixed a bug with the Relocator (buttons for adding text to marker names didn't work) (1.19.2+).
7. Fixed a crash when breaking a beehive (1.21.1).
8. Steam machines now have a visual steam effect while operating (1.19.2+).
9. Added the Steam Age to the guidebook.
10. Fixed a bug with upgrade kits not working properly on the drilling rig (1.19.2+).
11. Fixed a bug with star rendering in the space research table.

1. fixed a bug with packet transmission about changing fluidstack
2. fixed a crash bug in a set of improvements of mechanisms
3. fixed a bug with the work of data components (feature of mojangs)
4. fixed a bug with the work of data components in mechanisms of recipes

Changelog (1.12.2–1.21.1)

1. Fixed ore vein generation with Biomes O' Plenty (1.19.2+).
2. Anvil skill now affects repeat recipe execution (higher skill = higher chance of performing the recipe again upon completion).
3. Fixed a bug with repairing hammers using iron in the anvil (1.19.2+).
4. Increased ore yield with Fortune: previously, Fortune III gave a 75% chance for a second drop — now it's 100% for the second and 50% for a third (1.19.2+).
5. Fixed a bug in the fluid mixer that allowed placing methanol into both tanks.
6. Fixed a bug where colonies mined ethylene instead of ethane on Oberon.
7. Fixed a bug in the compressor where crafting 9 lapis dust into 1 plate gave an incorrect item (now correctly gives a compressed plate).
8. Fixed rendering bug in the Primitive Rolling Machine where outputs overlapped with inputs on one side (1.19.2+).
9. Fixed a color bar rendering bug in the color bar settings interface (1.20.1+).
10. Fixed a heating bug in the photonic combined recycler.
11. Mechanical receptor now fully works (1.19.2+).
12. Bag now shows the full list of items when holding Shift (1.19.2+).
13. Fixed sound bug in some items: sound remained at the old location instead of following the item (1.19.2+, not fixed in 1.12.2).
14. Fixed a bug where sabers couldn't switch modes properly (1.21.1).
15. Photonic fluid matter generator can now be placed in the combiner fluid matter generator .
16. Fixed bug where machines with negative coordinates would stop playing sounds.
17. Fixed a bug in the stamping machine inventory (1.19.2+).
18. Fixed JEI temperature display bug in the Advanced Alloy Factory (1.19.2+).
19. Fixed sound toggle button not working in Advanced and Perfect Alloy Factories.
20. Fixed a vanilla Minecraft bug: when breaking a block, only the entity is passed, not the tool, causing mod blocks to miss Fortune bonuses (1.19.2+).
21. Fixed compatibility issue with Almost Unified (was deleting mod items and causing crashes). Now, tag fallback logic is used: if a tag is missing, the mod uses its internal tag base (1.19.2+).
22. Fixed a server-side bug with the mod book UI: rare double-click could break parameter loading.
23. Enabled rotation for wind and hydro generators (1.20.1+).
24. Fixed desynchronization of data components in 1.21.1.
25. Added a crafting recipe for the mod book (only appears once per game).
26. Players now receive an Ore Scanner item on first login.
27. Added mod config file (alpha version) (1.19.2+).