[{"slug":"ZV-2026-1231","server_name":"openstates.caseyjhand.com","severity":"breaking","title":"openstates.caseyjhand.com: Type of first_action_date on openstates_get_bill changed unset → string|null.","summary":"[breaking] Type of first_action_date on openstates_get_bill changed unset → string|null. [breaking] Type of latest_action_date on openstates_get_bill changed unset → string|null. [breaking] Type of latest_passage_date on openstates_get_bill changed unset → string|null. [breaking] Type of latest_action_description on openstates_get_bill changed unset → string|null. [breaking] Type of parent_id on openstates_get_committee changed unset → string|null.","changes":[{"kind":"output_type_changed","path":"outputSchema.properties.first_action_date","tool":"openstates_get_bill","after":"string|null","before":"unset","detail":"Type of `first_action_date` on `openstates_get_bill` changed unset → string|null.","severity":"breaking"},{"kind":"output_type_changed","path":"outputSchema.properties.latest_action_date","tool":"openstates_get_bill","after":"string|null","before":"unset","detail":"Type of `latest_action_date` on `openstates_get_bill` changed unset → string|null.","severity":"breaking"},{"kind":"output_type_changed","path":"outputSchema.properties.latest_passage_date","tool":"openstates_get_bill","after":"string|null","before":"unset","detail":"Type of `latest_passage_date` on `openstates_get_bill` changed unset → string|null.","severity":"breaking"},{"kind":"output_type_changed","path":"outputSchema.properties.latest_action_description","tool":"openstates_get_bill","after":"string|null","before":"unset","detail":"Type of `latest_action_description` on `openstates_get_bill` changed unset → string|null.","severity":"breaking"},{"kind":"output_type_changed","path":"outputSchema.properties.parent_id","tool":"openstates_get_committee","after":"string|null","before":"unset","detail":"Type of `parent_id` on `openstates_get_committee` changed unset → string|null.","severity":"breaking"}],"published_at":"2026-09-20T15:15:13.474Z"}]