{"date":"2026-09-25","from":{"k":"unit","s":"api","n":"FabricExecValue > admits the written-out recursion over `FabricValue` and `FabricExecFunction`, and is wider by the plus-instance arm"},"to":{"k":"unit","s":"api","n":"FabricExecValue > admits the written-out recursion over `FabricValue` and `FabricExecPlusType`, is wider by the plus-instance arm, and refuses a plain function"}}