- dispose heightmap Region when all chunks have been visited
- reduce allocations caused by the depth buffer in strata gen
- added temporary server props fix
- fixed lakes generating with ocean biome
- added custom sediment disks for sand, dirt, clay, gravel
- allow shipwrecks to spawn in a chunks that are fully ocean (previously only deep ocean)
- add BiomeDict types for tf biomes
- fix possible crash when setting a terrain type to 0
- rename 'generate' button to 'new seed'
- reduce float slider precision to 3 decimal places