/
you can get your dimension back by renaming saves/<your_world>/dimensions/sculk_depths/sculk_depthsdim to
saves/<your_world>/dimensions/sculk_depths/sculk_depths
Full Changelog: https://github.com/warior456/Sculk-Depths/compare/0.0.9...0.0.10

adds a new dimension accessed via the ancient cities in the deep dark biome