diff --git a/docs/changelog.md b/docs/changelog.md
index a85f3776f..58ea6b55f 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -17,9 +17,13 @@
 
 # Versions 0.14.x
 
-## Version 0.14.4 (dev, next release)
+## Version 0.14.4 (2024-03-18)
 
-- Alt/Obj,Batch: adjust checks for new elements. Refactored some other internal code to simplify this kind of check.
+Minor release, relevant changes only in the Alt API, i.e. no need to upgrade if you don't use it.
+
+- Alt/Obj, Batch: adjust checks for new elements. Refactored some other internal code to simplify this kind of check.
+- ReduceAlgs: Very minor code clean-up.
+- Header: Where possible, use uint32_t for bit sets (flags, options).
 
 ## Version 0.14.3 (2024-03-13)
 
diff --git a/include/dss_capi.h b/include/dss_capi.h
index ab1fc9ed2..8a4653370 100644
--- a/include/dss_capi.h
+++ b/include/dss_capi.h
@@ -1545,7 +1545,7 @@ extern "C" {
 
     (API Extension)
     */
-    DSS_CAPI_DLL const char* Circuit_Save(const char* dirOrFilePath, int32_t saveFlags);
+    DSS_CAPI_DLL const char* Circuit_Save(const char* dirOrFilePath, uint32_t saveFlags);
 
     /*
     EXPERIMENTAL: Loads a full circuit from a JSON-encoded string. The data must 
@@ -7656,7 +7656,7 @@ extern "C" {
     DSS_CAPI_DLL void** Obj_GetListPointer(const void* ctx, int32_t ClsIdx);
     DSS_CAPI_DLL void* Obj_GetHandleByName(const void* ctx, int32_t ClsIdx, const char* Name);
     DSS_CAPI_DLL void* Obj_GetHandleByIdx(const void* ctx, int32_t ClsIdx, int32_t Idx);
-    DSS_CAPI_DLL uint16_t Obj_PropertySideEffects(void *obj, int32_t Index, int32_t PreviousInt, int32_t setterFlags);
+    DSS_CAPI_DLL uint16_t Obj_PropertySideEffects(void *obj, int32_t Index, int32_t PreviousInt, uint32_t setterFlags);
     DSS_CAPI_DLL void Obj_BeginEdit(void *obj);
     DSS_CAPI_DLL void Obj_EndEdit(void *obj, int32_t NumChanges);
     DSS_CAPI_DLL int32_t Obj_GetNumProperties(void *obj);
@@ -7673,7 +7673,7 @@ extern "C" {
 
     (API Extension)
     */
-    DSS_CAPI_DLL const char* Obj_ToJSON(void *obj, int32_t options);
+    DSS_CAPI_DLL const char* Obj_ToJSON(void *obj, uint32_t options);
 
     /*! 
     Returns the data (as a list) of the elements in a batch as a JSON-encoded string.
@@ -7685,7 +7685,7 @@ extern "C" {
 
     (API Extension)
     */
-    DSS_CAPI_DLL const char* Batch_ToJSON(void** batch, int32_t batchSize, int32_t options);
+    DSS_CAPI_DLL const char* Batch_ToJSON(void** batch, int32_t batchSize, uint32_t options);
 
     /*! 
     Returns the object name (direct access, no copy is done, no disposal required by the user; read only!)
@@ -7747,16 +7747,16 @@ extern "C" {
     DSS_CAPI_DLL void Obj_GetStringArray(char*** ResultPtr, int32_t* ResultDims, void *obj, int32_t Index);
     DSS_CAPI_DLL void Obj_GetObjectArray(void*** ResultPtr, int32_t* ResultDims, void *obj, int32_t Index);
 
-    DSS_CAPI_DLL void Obj_SetAsString(void *obj, int32_t Index, const char* Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Obj_SetFloat64(void *obj, int32_t Index, double Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Obj_SetInt32(void *obj, int32_t Index, int32_t Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Obj_SetString(void *obj, int32_t Index, const char* Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Obj_SetObject(void *obj, int32_t Index, void* Value, int32_t setterFlags);
+    DSS_CAPI_DLL void Obj_SetAsString(void *obj, int32_t Index, const char* Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Obj_SetFloat64(void *obj, int32_t Index, double Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Obj_SetInt32(void *obj, int32_t Index, int32_t Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Obj_SetString(void *obj, int32_t Index, const char* Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Obj_SetObject(void *obj, int32_t Index, void* Value, uint32_t setterFlags);
     
-    DSS_CAPI_DLL void Obj_SetFloat64Array(void *obj, int32_t Index, double* Value, int32_t ValueCount, int32_t setterFlags);
-    DSS_CAPI_DLL void Obj_SetInt32Array(void *obj, int32_t Index, int32_t* Value, int32_t ValueCount, int32_t setterFlags);
-    DSS_CAPI_DLL void Obj_SetStringArray(void *obj, int32_t Index, const char** Value, int32_t ValueCount, int32_t setterFlags);
-    DSS_CAPI_DLL void Obj_SetObjectArray(void *obj, int32_t Index, void **Value, int32_t ValueCount, int32_t setterFlags);
+    DSS_CAPI_DLL void Obj_SetFloat64Array(void *obj, int32_t Index, double* Value, int32_t ValueCount, uint32_t setterFlags);
+    DSS_CAPI_DLL void Obj_SetInt32Array(void *obj, int32_t Index, int32_t* Value, int32_t ValueCount, uint32_t setterFlags);
+    DSS_CAPI_DLL void Obj_SetStringArray(void *obj, int32_t Index, const char** Value, int32_t ValueCount, uint32_t setterFlags);
+    DSS_CAPI_DLL void Obj_SetObjectArray(void *obj, int32_t Index, void **Value, int32_t ValueCount, uint32_t setterFlags);
 
     DSS_CAPI_DLL double Obj_CktElement_MaxCurrent(void *obj, int32_t terminalIdx);
     DSS_CAPI_DLL void Obj_Circuit_Set_ActiveCktElement(void *obj);
@@ -7786,25 +7786,25 @@ extern "C" {
     DSS_CAPI_DLL void Batch_GetObject(void*** ResultPtr, int32_t* ResultDims, void** batch, int32_t batchSize, int32_t Index);
 
     // DSS_CAPI_DLL void Batch_SetAsString(void** batch, int32_t batchSize, int32_t Index, const char* Value);
-    DSS_CAPI_DLL void Batch_Float64(void** batch, int32_t batchSize, int32_t Index, int32_t Operation, double Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Batch_Int32(void** batch, int32_t batchSize, int32_t Index, int32_t Operation, int32_t Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Batch_SetString(void** batch, int32_t batchSize, int32_t Index, const char* Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Batch_SetObject(void** batch, int32_t batchSize, int32_t Index, const void *Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Batch_Float64Array(void** batch, int32_t batchSize, int32_t Index, int32_t Operation, double* Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Batch_Int32Array(void** batch, int32_t batchSize, int32_t Index, int32_t Operation, int32_t* Value, int32_t setterFlags);
+    DSS_CAPI_DLL void Batch_Float64(void** batch, int32_t batchSize, int32_t Index, int32_t Operation, double Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Batch_Int32(void** batch, int32_t batchSize, int32_t Index, int32_t Operation, int32_t Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Batch_SetString(void** batch, int32_t batchSize, int32_t Index, const char* Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Batch_SetObject(void** batch, int32_t batchSize, int32_t Index, const void *Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Batch_Float64Array(void** batch, int32_t batchSize, int32_t Index, int32_t Operation, double* Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Batch_Int32Array(void** batch, int32_t batchSize, int32_t Index, int32_t Operation, int32_t* Value, uint32_t setterFlags);
 
     /*!
     DEPRECATED: use `Batch_Float64Array` with `Operation=BatchOperation_Set` instead
     */
-    DSS_CAPI_DLL void Batch_SetFloat64Array(void** batch, int32_t batchSize, int32_t Index, double* Value, int32_t setterFlags);
+    DSS_CAPI_DLL void Batch_SetFloat64Array(void** batch, int32_t batchSize, int32_t Index, double* Value, uint32_t setterFlags);
 
     /*!
     DEPRECATED: use `Batch_Int32Array` with `Operation=BatchOperation_Set` instead
     */
-    DSS_CAPI_DLL void Batch_SetInt32Array(void** batch, int32_t batchSize, int32_t Index, int32_t* Value, int32_t setterFlags);
+    DSS_CAPI_DLL void Batch_SetInt32Array(void** batch, int32_t batchSize, int32_t Index, int32_t* Value, uint32_t setterFlags);
 
-    DSS_CAPI_DLL void Batch_SetStringArray(void** batch, int32_t batchSize, int32_t Index, const char** Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Batch_SetObjectArray(void** batch, int32_t batchSize, int32_t Index, const void** Value, int32_t setterFlags);
+    DSS_CAPI_DLL void Batch_SetStringArray(void** batch, int32_t batchSize, int32_t Index, const char** Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Batch_SetObjectArray(void** batch, int32_t batchSize, int32_t Index, const void** Value, uint32_t setterFlags);
 
     DSS_CAPI_DLL void Batch_CreateFromNewS(const void* ctx, void*** ResultPtr, int32_t* ResultDims, const char* clsname, const char** names, int32_t count, altdss_bool_t BeginEdit);
     DSS_CAPI_DLL void Batch_CreateByClassS(const void* ctx, void*** ResultPtr, int32_t* ResultDims, const char* clsname);
@@ -7821,24 +7821,24 @@ extern "C" {
     DSS_CAPI_DLL void Batch_GetObjectS(void*** ResultPtr, int32_t* ResultDims, void** batch, int32_t batchSize, const char* Name);
 
     // DSS_CAPI_DLL void Batch_SetAsStringS(void** batch, int32_t batchSize, const char* Name, const char* Value);
-    DSS_CAPI_DLL void Batch_Float64S(void** batch, int32_t batchSize, const char* Name, int32_t Operation, double Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Batch_Int32S(void** batch, int32_t batchSize, const char* Name, int32_t Operation, int32_t Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Batch_SetStringS(void** batch, int32_t batchSize, const char* Name, const char* Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Batch_SetObjectS(void** batch, int32_t batchSize, const char* Name, const void* Value, int32_t setterFlags);
+    DSS_CAPI_DLL void Batch_Float64S(void** batch, int32_t batchSize, const char* Name, int32_t Operation, double Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Batch_Int32S(void** batch, int32_t batchSize, const char* Name, int32_t Operation, int32_t Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Batch_SetStringS(void** batch, int32_t batchSize, const char* Name, const char* Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Batch_SetObjectS(void** batch, int32_t batchSize, const char* Name, const void* Value, uint32_t setterFlags);
 
-    DSS_CAPI_DLL void Batch_Float64ArrayS(void** batch, int32_t batchSize, const char* Name, int32_t Operation, double* Value, int32_t setterFlags);
+    DSS_CAPI_DLL void Batch_Float64ArrayS(void** batch, int32_t batchSize, const char* Name, int32_t Operation, double* Value, uint32_t setterFlags);
     /*!
     DEPRECATED: use `Batch_Int32ArrayS` with `Operation=BatchOperation_Set` instead
     */
-    DSS_CAPI_DLL void Batch_SetFloat64ArrayS(void** batch, int32_t batchSize, const char* Name, double* Value, int32_t setterFlags);
+    DSS_CAPI_DLL void Batch_SetFloat64ArrayS(void** batch, int32_t batchSize, const char* Name, double* Value, uint32_t setterFlags);
 
-    DSS_CAPI_DLL void Batch_Int32ArrayS(void** batch, int32_t batchSize, const char* Name, int32_t Operation, int32_t* Value, int32_t setterFlags);
+    DSS_CAPI_DLL void Batch_Int32ArrayS(void** batch, int32_t batchSize, const char* Name, int32_t Operation, int32_t* Value, uint32_t setterFlags);
     /*!
     DEPRECATED: use `Batch_Int32ArrayS` with `Operation=BatchOperation_Set` instead
     */
-    DSS_CAPI_DLL void Batch_SetInt32ArrayS(void** batch, int32_t batchSize, const char* Name, int32_t* Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Batch_SetStringArrayS(void** batch, int32_t batchSize, const char* Name, const char** Value, int32_t setterFlags);
-    DSS_CAPI_DLL void Batch_SetObjectArrayS(void** batch, int32_t batchSize, const char* Name, const void** Value, int32_t setterFlags);
+    DSS_CAPI_DLL void Batch_SetInt32ArrayS(void** batch, int32_t batchSize, const char* Name, int32_t* Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Batch_SetStringArrayS(void** batch, int32_t batchSize, const char* Name, const char** Value, uint32_t setterFlags);
+    DSS_CAPI_DLL void Batch_SetObjectArrayS(void** batch, int32_t batchSize, const char* Name, const void** Value, uint32_t setterFlags);
 
     /*! 
     `DSS_BeginPascalThread` can be used to start a new thread from the Pascal side.