### Actor version integration checklist - [ ] Import new actors - [ ] Define upgrade heights in `build/params_` - [ ] Generate adapters - [ ] Add the new version in `chain/actors/agen/main.go` - [ ] Update adapter code in `chain/actors/builtin` if needed - [ ] Update `chain/actors/policy/policy.go` - [ ] Update `chain/actors/version.go` - [ ] Register in `chain/vm/invoker.go` - [ ] Register in `chain/vm/mkactor.go` - [ ] Update `chain/types/state.go` - [ ] Update `chain/state/statetree.go` (New / Load) - [ ] Update `chain/stmgr/forks.go` - [ ] Schedule - [ ] Migration - [ ] Update upgrade schedule in `api/test/test.go` and `chain/sync_test.go` - [ ] Update `NewestNetworkVersion` in `build/params_shared_vals.go` - [ ] Register in init in `chain/stmgr/utils.go`