diff --git a/gui/src/components/control/ExperimentalControl.tsx b/gui/src/components/control/ExperimentalControl.tsx
index e36094ba..8f705ca9 100644
--- a/gui/src/components/control/ExperimentalControl.tsx
+++ b/gui/src/components/control/ExperimentalControl.tsx
@@ -3,41 +3,28 @@ import { mustDefault, mustExist } from '@apextoaster/js-utils';
 import { Checkbox, FormControlLabel, Stack, TextField } from '@mui/material';
 import { useTranslation } from 'react-i18next';
 import * as React from 'react';
-import { useState } from 'react';
 import { useQuery } from '@tanstack/react-query';
+import { useStore } from 'zustand';
 
 import { STALE_TIME, STANDARD_SPACING } from '../../constants.js';
 import { NumericField } from '../input/NumericField.js';
 import { QueryList } from '../input/QueryList.js';
-import { ClientContext } from '../../state/full.js';
-
-export interface ExperimentalParams {
-  latent_symmetry: boolean;
-  latent_symmetry_gradient_start: number;
-  latent_symmetry_gradient_end: number;
-  latent_symmetry_line_of_symmetry: number;
-  prompt_editing: boolean;
-  prompt_filter: string;
-  remove_tokens: string;
-  add_suffix: string;
-}
+import { ClientContext, OnnxState, StateContext } from '../../state/full.js';
+import { ExperimentalParams } from '../../types/params.js';
 
 export interface ExperimentalControlProps {
+  selectExperimental(state: OnnxState): ExperimentalParams;
   setExperimental(params: Record<string, unknown>): void;
 }
 
 export function ExperimentalControl(props: ExperimentalControlProps) {
+  // eslint-disable-next-line @typescript-eslint/unbound-method
+  const { selectExperimental, setExperimental } = props;
+
+  const store = mustExist(React.useContext(StateContext));
+  const experimental = useStore(store, selectExperimental);
+
   const { t } = useTranslation();
-  const [state, setState] = useState<ExperimentalParams>({
-    latent_symmetry: false,
-    latent_symmetry_gradient_start: 0.1,
-    latent_symmetry_gradient_end: 0.3,
-    latent_symmetry_line_of_symmetry: 0.5,
-    prompt_editing: false,
-    prompt_filter: '',
-    remove_tokens: '',
-    add_suffix: '',
-  });
 
   const client = mustExist(React.useContext(ClientContext));
   const filters = useQuery(['filters'], async () => client.filters(), {
@@ -50,58 +37,66 @@ export function ExperimentalControl(props: ExperimentalControlProps) {
         label={t('experimental.latent_symmetry.label')}
         control={
           <Checkbox
-            checked={state.latent_symmetry}
+            checked={experimental.latentSymmetry.enabled}
             value='check'
             onChange={(event) => {
-              setState({
-                ...state,
-                latent_symmetry: state.latent_symmetry === false,
+              setExperimental({
+                latentSymmetry: {
+                  ...experimental.latentSymmetry,
+                  enabled: experimental.latentSymmetry.enabled === false,
+                },
               });
             }}
           />}
       />
       <NumericField
         decimal
-        disabled={state.latent_symmetry === false}
+        disabled={experimental.latentSymmetry.enabled === false}
         label={t('experimental.latent_symmetry.gradient_start')}
         min={0}
         max={0.5}
         step={0.01}
-        value={state.latent_symmetry_gradient_start}
+        value={experimental.latentSymmetry.gradientStart}
         onChange={(latent_symmetry_gradient_start) => {
-          setState({
-            ...state,
-            latent_symmetry_gradient_start,
+          setExperimental({
+            latentSymmetry: {
+              ...experimental.latentSymmetry,
+              gradientStart: latent_symmetry_gradient_start,
+            },
           });
         }}
       />
       <NumericField
         decimal
-        disabled={state.latent_symmetry === false}
+        disabled={experimental.latentSymmetry.enabled === false}
         label={t('experimental.latent_symmetry.gradient_end')}
         min={0}
         max={0.5}
         step={0.01}
-        value={state.latent_symmetry_gradient_end}
+        value={experimental.latentSymmetry.gradientEnd}
         onChange={(latent_symmetry_gradient_end) => {
-          setState({
-            ...state,
-            latent_symmetry_gradient_end,
+          setExperimental({
+            latentSymmetry: {
+              ...experimental.latentSymmetry,
+              gradientEnd: latent_symmetry_gradient_end,
+            },
           });
         }}
       />
       <NumericField
         decimal
-        disabled={state.latent_symmetry === false}
+        disabled={experimental.latentSymmetry.enabled === false}
         label={t('experimental.latent_symmetry.line_of_symmetry')}
         min={0}
         max={1}
         step={0.01}
-        value={state.latent_symmetry_line_of_symmetry}
+        value={experimental.latentSymmetry.lineOfSymmetry}
         onChange={(latent_symmetry_line_of_symmetry) => {
-          setState({
-            ...state,
-            latent_symmetry_line_of_symmetry,
+          setExperimental({
+            latentSymmetry: {
+              ...experimental.latentSymmetry,
+              lineOfSymmetry: latent_symmetry_line_of_symmetry,
+            },
           });
         }}
       />
@@ -111,18 +106,20 @@ export function ExperimentalControl(props: ExperimentalControlProps) {
         label={t('experimental.prompt_editing.label')}
         control={
           <Checkbox
-            checked={state.prompt_editing}
+            checked={experimental.promptEditing.enabled}
             value='check'
             onChange={(event) => {
-              setState({
-                ...state,
-                prompt_editing: state.prompt_editing === false,
+              setExperimental({
+                promptEditing: {
+                  ...experimental.promptEditing,
+                  enabled: experimental.promptEditing.enabled === false,
+                },
               });
             }}
           />}
       />
       <QueryList
-        disabled={state.prompt_editing === false}
+        disabled={experimental.promptEditing.enabled === false}
         id='prompt_filters'
         labelKey='model.prompt'
         name={t('experimental.prompt_editing.filter')}
@@ -130,35 +127,41 @@ export function ExperimentalControl(props: ExperimentalControlProps) {
           result: filters,
           selector: (f) => f.prompt,
         }}
-        value={mustDefault(state.prompt_filter, '')}
+        value={mustDefault(experimental.promptEditing.filter, '')}
         onChange={(prompt_filter) => {
-          setState({
-            ...state,
-            prompt_filter,
+          setExperimental({
+            promptEditing: {
+              ...experimental.promptEditing,
+              filter: prompt_filter,
+            },
           });
         }}
       />
       <TextField
-        disabled={state.prompt_editing === false}
+        disabled={experimental.promptEditing.enabled === false}
         label={t('experimental.prompt_editing.remove_tokens')}
         variant='outlined'
-        value={state.remove_tokens}
+        value={experimental.promptEditing.removeTokens}
         onChange={(event) => {
-          setState({
-            ...state,
-            remove_tokens: event.target.value,
+          setExperimental({
+            promptEditing: {
+              ...experimental.promptEditing,
+              removeTokens: event.target.value,
+            },
           });
         }}
       />
       <TextField
-        disabled={state.prompt_editing === false}
+        disabled={experimental.promptEditing.enabled === false}
         label={t('experimental.prompt_editing.add_suffix')}
         variant='outlined'
-        value={state.add_suffix}
+        value={experimental.promptEditing.addSuffix}
         onChange={(event) => {
-          setState({
-            ...state,
-            add_suffix: event.target.value,
+          setExperimental({
+            promptEditing: {
+              ...experimental.promptEditing,
+              addSuffix: event.target.value,
+            },
           });
         }}
       />
diff --git a/gui/src/components/tab/Img2Img.tsx b/gui/src/components/tab/Img2Img.tsx
index 0a9488cb..9cd34a40 100644
--- a/gui/src/components/tab/Img2Img.tsx
+++ b/gui/src/components/tab/Img2Img.tsx
@@ -11,7 +11,7 @@ import { IMAGE_FILTER, STALE_TIME, STANDARD_SPACING } from '../../constants.js';
 import { ClientContext, ConfigContext, OnnxState, StateContext } from '../../state/full.js';
 import { TabState } from '../../state/types.js';
 import { JobType } from '../../types/api-v2.js';
-import { HighresParams, Img2ImgParams, ModelParams, UpscaleParams } from '../../types/params.js';
+import { ExperimentalParams, HighresParams, Img2ImgParams, ModelParams, UpscaleParams } from '../../types/params.js';
 import { Profiles } from '../Profiles.js';
 import { HighresControl } from '../control/HighresControl.js';
 import { ImageControl } from '../control/ImageControl.js';
@@ -51,7 +51,7 @@ export function Img2Img() {
   });
 
   const store = mustExist(useContext(StateContext));
-  const { pushHistory, setHighres, setImg2Img, setModel, setUpscale } = useStore(store, selectActions, shallow);
+  const { pushHistory, setHighres, setImg2Img, setModel, setUpscale, setExperimental } = useStore(store, selectActions, shallow);
   const { loopback, source, sourceFilter, strength } = useStore(store, selectReactParams, shallow);
   const model = useStore(store, selectModel);
 
@@ -141,10 +141,7 @@ export function Img2Img() {
       </Stack>
       <HighresControl selectHighres={selectHighres} setHighres={setHighres} />
       <UpscaleControl selectUpscale={selectUpscale} setUpscale={setUpscale} />
-      <ExperimentalControl setExperimental={(props) => {
-        // eslint-disable-next-line no-console
-        console.log('setting experimental props', props);
-      }} />
+      <ExperimentalControl selectExperimental={selectExperimental} setExperimental={setExperimental} />
       <Button
         disabled={doesExist(source) === false}
         variant='contained'
@@ -166,6 +163,8 @@ export function selectActions(state: OnnxState) {
     setModel: state.setImg2ImgModel,
     // eslint-disable-next-line @typescript-eslint/unbound-method
     setUpscale: state.setImg2ImgUpscale,
+    // eslint-disable-next-line @typescript-eslint/unbound-method
+    setExperimental: state.setImg2ImgExperimental,
   };
 }
 
@@ -193,3 +192,7 @@ export function selectHighres(state: OnnxState): HighresParams {
 export function selectUpscale(state: OnnxState): UpscaleParams {
   return state.img2imgUpscale;
 }
+
+export function selectExperimental(state: OnnxState): ExperimentalParams {
+  return state.img2imgExperimental;
+}
diff --git a/gui/src/components/tab/Inpaint.tsx b/gui/src/components/tab/Inpaint.tsx
index 0ee2a8a6..a0c614b3 100644
--- a/gui/src/components/tab/Inpaint.tsx
+++ b/gui/src/components/tab/Inpaint.tsx
@@ -11,7 +11,7 @@ import { IMAGE_FILTER, STALE_TIME, STANDARD_SPACING } from '../../constants.js';
 import { ClientContext, ConfigContext, OnnxState, StateContext } from '../../state/full.js';
 import { TabState } from '../../state/types.js';
 import { JobType } from '../../types/api-v2.js';
-import { BrushParams, HighresParams, InpaintParams, ModelParams, UpscaleParams } from '../../types/params.js';
+import { BrushParams, ExperimentalParams, HighresParams, InpaintParams, ModelParams, UpscaleParams } from '../../types/params.js';
 import { Profiles } from '../Profiles.js';
 import { HighresControl } from '../control/HighresControl.js';
 import { ImageControl } from '../control/ImageControl.js';
@@ -69,7 +69,7 @@ export function Inpaint() {
   }
 
   const store = mustExist(useContext(StateContext));
-  const { pushHistory, setBrush, setHighres, setModel, setInpaint, setUpscale } = useStore(store, selectActions, shallow);
+  const { pushHistory, setBrush, setHighres, setModel, setInpaint, setUpscale, setExperimental } = useStore(store, selectActions, shallow);
   const { source, mask, strength, noise, filter, tileOrder, fillColor } = useStore(store, selectReactParams, shallow);
   const model = useStore(store, selectModel);
   const brush = useStore(store, selectBrush);
@@ -223,10 +223,7 @@ export function Inpaint() {
       <OutpaintControl />
       <HighresControl selectHighres={selectHighres} setHighres={setHighres} />
       <UpscaleControl selectUpscale={selectUpscale} setUpscale={setUpscale} />
-      <ExperimentalControl setExperimental={(props) => {
-        // eslint-disable-next-line no-console
-        console.log('setting experimental props', props);
-      }} />
+      <ExperimentalControl selectExperimental={selectExperimental} setExperimental={setExperimental} />
       <Button
         disabled={preventInpaint()}
         variant='contained'
@@ -244,6 +241,8 @@ export function selectActions(state: OnnxState) {
     // eslint-disable-next-line @typescript-eslint/unbound-method
     setBrush: state.setInpaintBrush,
     // eslint-disable-next-line @typescript-eslint/unbound-method
+    setExperimental: state.setInpaintExperimental,
+    // eslint-disable-next-line @typescript-eslint/unbound-method
     setHighres: state.setInpaintHighres,
     // eslint-disable-next-line @typescript-eslint/unbound-method
     setModel: state.setInpaintModel,
@@ -285,3 +284,7 @@ export function selectHighres(state: OnnxState): HighresParams {
 export function selectUpscale(state: OnnxState): UpscaleParams {
   return state.inpaintUpscale;
 }
+
+export function selectExperimental(state: OnnxState): ExperimentalParams {
+  return state.inpaintExperimental;
+}
diff --git a/gui/src/components/tab/Txt2Img.tsx b/gui/src/components/tab/Txt2Img.tsx
index dbfa1625..2de95424 100644
--- a/gui/src/components/tab/Txt2Img.tsx
+++ b/gui/src/components/tab/Txt2Img.tsx
@@ -12,7 +12,7 @@ import { STANDARD_SPACING } from '../../constants.js';
 import { ClientContext, ConfigContext, OnnxState, StateContext } from '../../state/full.js';
 import { TabState } from '../../state/types.js';
 import { JobType } from '../../types/api-v2.js';
-import { HighresParams, ModelParams, Txt2ImgParams, UpscaleParams } from '../../types/params.js';
+import { ExperimentalParams, HighresParams, ModelParams, Txt2ImgParams, UpscaleParams } from '../../types/params.js';
 import { Profiles } from '../Profiles.js';
 import { HighresControl } from '../control/HighresControl.js';
 import { ImageControl } from '../control/ImageControl.js';
@@ -84,7 +84,7 @@ export function Txt2Img() {
   });
 
   const store = mustExist(useContext(StateContext));
-  const { pushHistory, setHighres, setModel, setParams, setUpscale, setVariable } = useStore(store, selectActions, shallow);
+  const { pushHistory, setHighres, setModel, setParams, setUpscale, setVariable, setExperimental } = useStore(store, selectActions, shallow);
   const model = useStore(store, selectModel);
 
   const { t } = useTranslation();
@@ -106,10 +106,7 @@ export function Txt2Img() {
       <SizeControl />
       <HighresControl selectHighres={selectHighres} setHighres={setHighres} />
       <UpscaleControl selectUpscale={selectUpscale} setUpscale={setUpscale} />
-      <ExperimentalControl setExperimental={(props) => {
-        // eslint-disable-next-line no-console
-        console.log('setting experimental props', props);
-      }} />
+      <ExperimentalControl selectExperimental={selectExperimental} setExperimental={setExperimental} />
       <VariableControl selectGrid={selectVariable} setGrid={setVariable} />
       <Button
         variant='contained'
@@ -124,6 +121,8 @@ export function selectActions(state: OnnxState) {
     // eslint-disable-next-line @typescript-eslint/unbound-method
     pushHistory: state.pushHistory,
     // eslint-disable-next-line @typescript-eslint/unbound-method
+    setExperimental: state.setTxt2ImgExperimental,
+    // eslint-disable-next-line @typescript-eslint/unbound-method
     setHighres: state.setTxt2ImgHighres,
     // eslint-disable-next-line @typescript-eslint/unbound-method
     setModel: state.setTxt2ImgModel,
@@ -162,3 +161,7 @@ export function selectUpscale(state: OnnxState): UpscaleParams {
 export function selectVariable(state: OnnxState): PipelineGrid {
   return state.txt2imgVariable;
 }
+
+export function selectExperimental(state: OnnxState): ExperimentalParams {
+  return state.txt2imgExperimental;
+}
diff --git a/gui/src/config.ts b/gui/src/config.ts
index accb7b87..97e454e3 100644
--- a/gui/src/config.ts
+++ b/gui/src/config.ts
@@ -2,6 +2,7 @@ import { doesExist, Maybe } from '@apextoaster/js-utils';
 import { merge } from 'lodash';
 
 import {
+  ExperimentalParams,
   HighresParams,
   Img2ImgParams,
   InpaintParams,
@@ -69,7 +70,8 @@ export type ServerParams = ConfigRanges<Required<
   ModelParams &
   OutpaintParams &
   UpscaleParams &
-  HighresParams
+  HighresParams &
+  ExperimentalParams
 >> & {
   motd?: Record<string, string>;
   version: string;
diff --git a/gui/src/state/full.ts b/gui/src/state/full.ts
index eb127a20..17aec4c0 100644
--- a/gui/src/state/full.ts
+++ b/gui/src/state/full.ts
@@ -22,6 +22,7 @@ import { Txt2ImgSlice, createTxt2ImgSlice } from './txt2img.js';
 import { UpscaleSlice, createUpscaleSlice } from './upscale.js';
 import {
   BaseImgParams,
+  ExperimentalParams,
   HighresParams,
   ModelParams,
   UpscaleParams,
@@ -125,6 +126,20 @@ export function createStateSlices(server: ServerParams) {
     scale: server.scale.default,
     upscaleOrder: server.upscaleOrder.default,
   };
+  const defaultExperimental: ExperimentalParams = {
+    promptEditing: {
+      enabled: false,
+      filter: '',
+      addSuffix  : '',
+      removeTokens: '',
+    },
+    latentSymmetry: {
+      enabled: false,
+      gradientStart: 0,
+      gradientEnd: 0,
+      lineOfSymmetry: 0,
+    },
+  };
   const defaultGrid: PipelineGrid = {
     enabled: false,
     columns: {
@@ -141,13 +156,13 @@ export function createStateSlices(server: ServerParams) {
     createBlendSlice: createBlendSlice(defaultModel, defaultUpscale),
     createDefaultSlice: createDefaultSlice(defaultParams),
     createHistorySlice: createHistorySlice(),
-    createImg2ImgSlice: createImg2ImgSlice(server, defaultParams, defaultHighres, defaultModel, defaultUpscale),
-    createInpaintSlice: createInpaintSlice(server, defaultParams, defaultHighres, defaultModel, defaultUpscale),
+    createImg2ImgSlice: createImg2ImgSlice(server, defaultParams, defaultHighres, defaultModel, defaultUpscale, defaultExperimental),
+    createInpaintSlice: createInpaintSlice(server, defaultParams, defaultHighres, defaultModel, defaultUpscale, defaultExperimental),
     createModelSlice: createModelSlice(),
     createProfileSlice: createProfileSlice(),
     createResetSlice: createResetSlice(),
     createSettingsSlice: createSettingsSlice(),
-    createTxt2ImgSlice: createTxt2ImgSlice(server, defaultParams, defaultHighres, defaultModel, defaultUpscale, defaultGrid),
+    createTxt2ImgSlice: createTxt2ImgSlice(server, defaultParams, defaultHighres, defaultModel, defaultUpscale, defaultExperimental, defaultGrid),
     createUpscaleSlice: createUpscaleSlice(defaultParams, defaultHighres, defaultModel, defaultUpscale),
   };
 }
diff --git a/gui/src/state/img2img.ts b/gui/src/state/img2img.ts
index b8f986b0..aecbdf72 100644
--- a/gui/src/state/img2img.ts
+++ b/gui/src/state/img2img.ts
@@ -2,6 +2,7 @@
 import { ServerParams } from '../config.js';
 import {
   BaseImgParams,
+  ExperimentalParams,
   HighresParams,
   Img2ImgParams,
   ModelParams,
@@ -14,6 +15,7 @@ export interface Img2ImgSlice {
   img2imgModel: ModelParams;
   img2imgHighres: HighresParams;
   img2imgUpscale: UpscaleParams;
+  img2imgExperimental: ExperimentalParams;
 
   resetImg2Img(): void;
 
@@ -21,6 +23,7 @@ export interface Img2ImgSlice {
   setImg2ImgModel(params: Partial<ModelParams>): void;
   setImg2ImgHighres(params: Partial<HighresParams>): void;
   setImg2ImgUpscale(params: Partial<UpscaleParams>): void;
+  setImg2ImgExperimental(params: Partial<ExperimentalParams>): void;
 }
 
 // eslint-disable-next-line max-params
@@ -29,7 +32,8 @@ export function createImg2ImgSlice<TState extends Img2ImgSlice>(
   defaultParams: Required<BaseImgParams>,
   defaultHighres: HighresParams,
   defaultModel: ModelParams,
-  defaultUpscale: UpscaleParams
+  defaultUpscale: UpscaleParams,
+  defaultExperimental: ExperimentalParams,
 ): Slice<TState, Img2ImgSlice> {
   return (set) => ({
     img2img: {
@@ -49,6 +53,9 @@ export function createImg2ImgSlice<TState extends Img2ImgSlice>(
     img2imgUpscale: {
       ...defaultUpscale,
     },
+    img2imgExperimental: {
+      ...defaultExperimental,
+    },
     resetImg2Img() {
       set({
         img2img: {
@@ -93,6 +100,13 @@ export function createImg2ImgSlice<TState extends Img2ImgSlice>(
         },
       } as Partial<TState>));
     },
+    setImg2ImgExperimental(params) {
+      set((prev) => ({
+        img2imgExperimental: {
+          ...prev.img2imgExperimental,
+          ...params,
+        },
+      } as Partial<TState>));
+    },
   });
-
 }
diff --git a/gui/src/state/inpaint.ts b/gui/src/state/inpaint.ts
index 7dab5af3..329bd161 100644
--- a/gui/src/state/inpaint.ts
+++ b/gui/src/state/inpaint.ts
@@ -3,6 +3,7 @@ import { DEFAULT_BRUSH } from '../constants.js';
 import {
   BaseImgParams,
   BrushParams,
+  ExperimentalParams,
   HighresParams,
   InpaintParams,
   ModelParams,
@@ -16,6 +17,7 @@ export interface InpaintSlice {
   inpaintModel: ModelParams;
   inpaintHighres: HighresParams;
   inpaintUpscale: UpscaleParams;
+  inpaintExperimental: ExperimentalParams;
   outpaint: OutpaintPixels;
 
   resetInpaint(): void;
@@ -25,6 +27,7 @@ export interface InpaintSlice {
   setInpaintModel(params: Partial<ModelParams>): void;
   setInpaintHighres(params: Partial<HighresParams>): void;
   setInpaintUpscale(params: Partial<UpscaleParams>): void;
+  setInpaintExperimental(params: Partial<ExperimentalParams>): void;
   setOutpaint(pixels: Partial<OutpaintPixels>): void;
 }
 
@@ -35,6 +38,7 @@ export function createInpaintSlice<TState extends InpaintSlice>(
   defaultHighres: HighresParams,
   defaultModel: ModelParams,
   defaultUpscale: UpscaleParams,
+  defaultExperimental: ExperimentalParams,
 ): Slice<TState, InpaintSlice> {
   return (set) => ({
     inpaint: {
@@ -61,6 +65,9 @@ export function createInpaintSlice<TState extends InpaintSlice>(
     inpaintUpscale: {
       ...defaultUpscale,
     },
+    inpaintExperimental: {
+      ...defaultExperimental
+    },
     outpaint: {
       enabled: false,
       left: server.left.default,
@@ -124,6 +131,14 @@ export function createInpaintSlice<TState extends InpaintSlice>(
         },
       } as Partial<TState>));
     },
+    setInpaintExperimental(params) {
+      set((prev) => ({
+        inpaintExperimental: {
+          ...prev.inpaintExperimental,
+          ...params,
+        },
+      } as Partial<TState>));
+    },
     setOutpaint(pixels) {
       set((prev) => ({
         outpaint: {
diff --git a/gui/src/state/migration/default.ts b/gui/src/state/migration/default.ts
index 6708b9d5..06efcc3b 100644
--- a/gui/src/state/migration/default.ts
+++ b/gui/src/state/migration/default.ts
@@ -9,6 +9,28 @@ import { Txt2ImgSlice } from '../txt2img.js';
 import { UpscaleSlice } from '../upscale.js';
 import { DEFAULT_PROFILES } from '../profile.js';
 
+// #region V13
+export const V13 = 13;
+
+export const REMOVED_KEYS_V13 = [] as const;
+
+export type RemovedKeysV13 = typeof REMOVED_KEYS_V13[number];
+
+export type AddedKeysV13 = 'txt2imgExperimental' | 'img2imgExperimental' | 'inpaintExperimental';
+// #endregion
+
+// #region V11
+export const V11 = 11;
+
+export const REMOVED_KEYS_V11 = ['tile', 'overlap'] as const;
+
+export type RemovedKeysV11 = typeof REMOVED_KEYS_V11[number];
+
+export type AddedKeysV11 = 'unet_tile' | 'unet_overlap' | 'vae_tile' | 'vae_overlap';
+
+export type OnnxStateV11 = Omit<OnnxState, AddedKeysV13>;
+// #endregion
+
 // #region V7
 export const V7 = 7;
 
@@ -17,7 +39,7 @@ export type BaseImgParamsV7<T extends BaseImgParams> = Omit<T, AddedKeysV11> & {
   tile: number;
 };
 
-export type OnnxStateV7 = Omit<OnnxState, 'img2img' | 'txt2img'> & {
+export type OnnxStateV7 = Omit<OnnxState, 'img2img' | 'txt2img' | 'inpaint' | 'upscale'> & {
   img2img: BaseImgParamsV7<Img2ImgSlice['img2img']>;
   inpaint: BaseImgParamsV7<InpaintSlice['inpaint']>;
   txt2img: BaseImgParamsV7<Txt2ImgSlice['txt2img']>;
@@ -25,17 +47,8 @@ export type OnnxStateV7 = Omit<OnnxState, 'img2img' | 'txt2img'> & {
 };
 // #endregion
 
-// #region V11
-export const REMOVED_KEYS_V11 = ['tile', 'overlap'] as const;
-
-export type RemovedKeysV11 = typeof REMOVED_KEYS_V11[number];
-
-// TODO: can the compiler calculate this?
-export type AddedKeysV11 = 'unet_tile' | 'unet_overlap' | 'vae_tile' | 'vae_overlap';
-// #endregion
-
 // add versions to this list as they are replaced
-export type PreviousState = OnnxStateV7;
+export type PreviousState = OnnxStateV7 | OnnxStateV11;
 
 // always the latest version
 export type CurrentState = OnnxState;
@@ -46,14 +59,20 @@ export type UnknownState = PreviousState | CurrentState;
 export function applyStateMigrations(params: ServerParams, previousState: UnknownState, version: number, logger: Logger): OnnxState {
   logger.info('applying state migrations from version %s to version %s', version, STATE_VERSION);
 
+  let migrated = previousState;
+
   if (version <= V7) {
-    return migrateV7ToV11(params, previousState as PreviousState);
+    migrated = migrateV7ToV11(params, migrated as OnnxStateV7);
   }
 
-  return previousState as CurrentState;
+  if (version <= V11) {
+    migrated = migrateV11ToV13(params, migrated as OnnxStateV11);
+  }
+
+  return migrated as CurrentState;
 }
 
-export function migrateV7ToV11(params: ServerParams, previousState: PreviousState): CurrentState {
+export function migrateV7ToV11(params: ServerParams, previousState: OnnxStateV7): CurrentState {
   // add any missing keys
   const result: CurrentState = {
     ...params,
@@ -100,3 +119,55 @@ export function migrateV7ToV11(params: ServerParams, previousState: PreviousStat
 
   return result;
 }
+
+export function migrateV11ToV13(params: ServerParams, previousState: OnnxStateV11): CurrentState {
+  // add any missing keys
+  const result: CurrentState = {
+    ...params,
+    ...previousState,
+    txt2imgExperimental: {
+      latentSymmetry: {
+        enabled: false,
+        gradientStart: 0,
+        gradientEnd: 0,
+        lineOfSymmetry: 0,
+      },
+      promptEditing: {
+        enabled: false,
+        filter: '',
+        addSuffix: '',
+        removeTokens: '',
+      },
+    },
+    img2imgExperimental: {
+      latentSymmetry: {
+        enabled: false,
+        gradientStart: 0,
+        gradientEnd: 0,
+        lineOfSymmetry: 0,
+      },
+      promptEditing: {
+        enabled: false,
+        filter: '',
+        addSuffix: '',
+        removeTokens: '',
+      },
+    },
+    inpaintExperimental: {
+      latentSymmetry: {
+        enabled: false,
+        gradientStart: 0,
+        gradientEnd: 0,
+        lineOfSymmetry: 0,
+      },
+      promptEditing: {
+        enabled: false,
+        filter: '',
+        addSuffix: '',
+        removeTokens: '',
+      },
+    },
+  };
+
+  return result;
+}
diff --git a/gui/src/state/txt2img.ts b/gui/src/state/txt2img.ts
index 8bec3273..746a21bb 100644
--- a/gui/src/state/txt2img.ts
+++ b/gui/src/state/txt2img.ts
@@ -2,6 +2,7 @@ import { PipelineGrid } from '../client/utils.js';
 import { ServerParams } from '../config.js';
 import {
   BaseImgParams,
+  ExperimentalParams,
   HighresParams,
   ModelParams,
   Txt2ImgParams,
@@ -15,6 +16,7 @@ export interface Txt2ImgSlice {
   txt2imgHighres: HighresParams;
   txt2imgUpscale: UpscaleParams;
   txt2imgVariable: PipelineGrid;
+  txt2imgExperimental: ExperimentalParams;
 
   resetTxt2Img(): void;
 
@@ -23,6 +25,7 @@ export interface Txt2ImgSlice {
   setTxt2ImgHighres(params: Partial<HighresParams>): void;
   setTxt2ImgUpscale(params: Partial<UpscaleParams>): void;
   setTxt2ImgVariable(params: Partial<PipelineGrid>): void;
+  setTxt2ImgExperimental(params: Partial<ExperimentalParams>): void;
 }
 
 // eslint-disable-next-line max-params
@@ -32,6 +35,7 @@ export function createTxt2ImgSlice<TState extends Txt2ImgSlice>(
   defaultHighres: HighresParams,
   defaultModel: ModelParams,
   defaultUpscale: UpscaleParams,
+  defaultExperimental: ExperimentalParams,
   defaultGrid: PipelineGrid,
 ): Slice<TState, Txt2ImgSlice> {
   return (set) => ({
@@ -52,6 +56,9 @@ export function createTxt2ImgSlice<TState extends Txt2ImgSlice>(
     txt2imgVariable: {
       ...defaultGrid,
     },
+    txt2imgExperimental: {
+      ...defaultExperimental,
+    },
     setTxt2Img(params) {
       set((prev) => ({
         txt2img: {
@@ -92,6 +99,14 @@ export function createTxt2ImgSlice<TState extends Txt2ImgSlice>(
         },
       } as Partial<TState>));
     },
+    setTxt2ImgExperimental(params) {
+      set((prev) => ({
+        txt2imgExperimental: {
+          ...prev.txt2imgExperimental,
+          ...params,
+        },
+      } as Partial<TState>));
+    },
     resetTxt2Img() {
       set({
         txt2img: {
diff --git a/gui/src/types/params.ts b/gui/src/types/params.ts
index 4e8db5b8..fa10eb24 100644
--- a/gui/src/types/params.ts
+++ b/gui/src/types/params.ts
@@ -164,3 +164,18 @@ export interface HighresParams {
   highresSteps: number;
   highresStrength: number;
 }
+
+export interface ExperimentalParams {
+  latentSymmetry: {
+    enabled: boolean;
+    gradientStart: number;
+    gradientEnd: number;
+    lineOfSymmetry: number;
+  };
+  promptEditing: {
+    enabled: boolean;
+    filter: string;
+    removeTokens: string;
+    addSuffix: string;
+  };
+}