diff --git a/libensemble/gen_classes/aposmm.py b/libensemble/gen_classes/aposmm.py
index 4adac2c2a..0401399a3 100644
--- a/libensemble/gen_classes/aposmm.py
+++ b/libensemble/gen_classes/aposmm.py
@@ -43,6 +43,8 @@ def __init__(
                 ("local_pt", bool),
             ]
             gen_specs["persis_in"] = ["x", "f", "local_pt", "sim_id", "sim_ended", "x_on_cube", "local_min"]
+            if "components" in kwargs or "components" in gen_specs.get("user", {}):
+                gen_specs["persis_in"].append("fvec")
         super().__init__(variables, objectives, History, persis_info, gen_specs, libE_info, **kwargs)
         if not self.persis_info.get("nworkers"):
             self.persis_info["nworkers"] = kwargs.get("nworkers", gen_specs["user"]["max_active_runs"])
diff --git a/libensemble/generators.py b/libensemble/generators.py
index 22f26b782..1f7a2fc14 100644
--- a/libensemble/generators.py
+++ b/libensemble/generators.py
@@ -116,18 +116,18 @@ def __init__(
         self._internal_variable = "x"  # need to figure these out dynamically
         self._internal_objective = "f"
 
-        if self.variables:
-
-            self.n = len(self.variables)
-            # build our own lb and ub
-            lb = []
-            ub = []
-            for i, v in enumerate(self.variables.values()):
-                if isinstance(v, list) and (isinstance(v[0], int) or isinstance(v[0], float)):
-                    lb.append(v[0])
-                    ub.append(v[1])
-            kwargs["lb"] = np.array(lb)
-            kwargs["ub"] = np.array(ub)
+        # if self.variables:
+
+        #     self.n = len(self.variables)
+        #     # build our own lb and ub
+        #     lb = []
+        #     ub = []
+        #     for i, v in enumerate(self.variables.values()):
+        #         if isinstance(v, list) and (isinstance(v[0], int) or isinstance(v[0], float)):
+        #             lb.append(v[0])
+        #             ub.append(v[1])
+        #     kwargs["lb"] = np.array(lb)
+        #     kwargs["ub"] = np.array(ub)
 
         if len(kwargs) > 0:  # so user can specify gen-specific parameters as kwargs to constructor
             if not self.gen_specs.get("user"):
@@ -208,8 +208,12 @@ def setup(self) -> None:
         self.libE_info["comm"] = self.running_gen_f.comm
 
     def _set_sim_ended(self, results: npt.NDArray) -> npt.NDArray:
-        new_results = np.zeros(len(results), dtype=self.gen_specs["out"] + [("sim_ended", bool), ("f", float)])
-        for field in results.dtype.names:
+        filtered_dtype = [
+            (name, results.dtype[name]) for name in results.dtype.names if name in self.gen_specs["persis_in"]
+        ]
+        new_dtype = filtered_dtype + [("sim_ended", bool)]
+        new_results = np.zeros(len(results), dtype=new_dtype)
+        for field in new_results.dtype.names:  # only copy over fields that generator explicitly wants
             try:
                 new_results[field] = results[field]
             except ValueError:  # lets not slot in data that the gen doesnt need?
diff --git a/pyproject.toml b/pyproject.toml
index c6a7ea9f3..761ae4b2b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -98,6 +98,7 @@ psutil = ">=5.9.4,<7"
 
 [tool.pixi.target.osx-arm64.dependencies]
 clang_osx-arm64 = ">=19.1.2,<20"
+libgfortran5 = ">=14.2.0,<15"
 
 [tool.black]
 line-length = 120