• Rename core #248
• stop allowing str as basic input to validators #256
• Chain type #255
• limit sdist contents #257
• add validator_instance to function validators #258
• replace *_items -> *_length #259
• use cls for is-instance and new-class #261
• build binaries for 3.11 #247
• helper functions for creating schemas #263
• custom errors on union and tagged-union #262

Full Changelog: v0.2.1...v0.3.0