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## [0.7.5-alpha] - 2026-10-23 ### Added - **Ore placement kernel, on by default.** Same blocks and random draws as vanilla, 9% less ore time on a 24-core desktop and 15% on a 4-core server (pregen about 6% sooner). An oracle replays 1 in 64 veins; a full check of 1.5M veins in the overworld and nether found no differences. Off: `/ferrite ore off` or `-Dferrite.orekernel=off`. Counters: `/ferrite ore report`. Odd ore in new chunks? Open an issue with seed, coordinates and the report line. - **Entity tracker probe.** `/ferrite probe tracker on|report|reset` reports tracker cost in ms per tick. Off by default. With 1021 zombies on a 4-core server: 0.45 to 0.66 ms/tick, under 3%. - **Surface rule compiler, on by default.** The 26.3 material rule tree is compiled into one class per chunk shape, still calling the vanilla rules in vanilla order, so datapacks work as written. Surface time drops 16-27% on a 24-core desktop and 18-33% on a 4-core server; pregens finish 3-4% sooner. An oracle reruns vanilla on 1 in 64 chunks and keeps vanilla blocks on any mismatch; a full check of 240M blocks over five world types and three dimensions found none. Steps aside when another mod changes the material rule classes. Off: `/ferrite rules off` or `-Dferrite.rules=off`; force on: `-Dferrite.rules=on`. Counters: `/ferrite rules report`. Odd surface blocks in new chunks? Open an issue with seed, coordinates and the report line. - **Ore kernel and rule compiler together.** Pregens finish about 8% sooner on a 4-core server. On a 24-core desktop wall time stays flat because workers already sit partly idle, but worker CPU drops 9%. Both oracles ran at 1 in 64 and found no mismatches. ### Fixed - **Biome validator counts exact ties as ties.** Over 2000 samples on 26.3 it reads 1999 pass, 1 tie, 0 fail. - **Dead toggles now say so.** `/ferrite surface dispatch`, `/ferrite aquifer rust`, `/ferrite aquifer parity` and `/ferrite biome route` report inactive instead of success, and `-Dferrite.bulkChunkDensity=true` logs a boot warning.