diff --git a/ags-validator-app/app/globals.css b/ags-validator-app/app/globals.css
index cc5b5b8..ec92b8c 100644
--- a/ags-validator-app/app/globals.css
+++ b/ags-validator-app/app/globals.css
@@ -18,7 +18,7 @@
     --secondary-foreground: 0 0% 0%;
     --alternative: 30 100% 30%;
     --alternative-foreground: 0 0% 100%;
-    --muted: 207 86 95%;
+    --muted: 207 86% 95%;
     --muted-foreground: 0 0% 0%;
     --accent: 0 0% 96%;
     --accent-foreground: 0 0% 0%;
@@ -47,7 +47,7 @@
     --secondary-foreground: 0 0% 98%;
     --alternative: 30 100% 30%;
     --alternative-foreground: 0 0% 100%;
-    --muted: 207 90 3%;
+    --muted: 207 90% 3%;
     --muted-foreground: 0 0% 85%;
     --accent: 0 0% 20%;
     --accent-foreground: 0 0% 98%;
diff --git a/ags-validator-app/components/mobile-nav.tsx b/ags-validator-app/components/mobile-nav.tsx
index 228be3f..2d562a6 100644
--- a/ags-validator-app/components/mobile-nav.tsx
+++ b/ags-validator-app/components/mobile-nav.tsx
@@ -37,14 +37,15 @@ export function MobileNav() {
             <p className="text-sm text-muted-foreground">
               Visit our website to learn more about GroundUp.
             </p>
-            <Link href="https://www.groundup.cloud">
-              <Button asChild size="sm">
-                <div className="flex flex-row gap-2">
-                  <ExternalLink className="w-4 h-4" />
-                  GroundUp
-                </div>
-              </Button>
-            </Link>
+            <Button asChild size="sm">
+              <Link
+                href="https://www.groundup.cloud"
+                className="flex flex-row gap-2"
+              >
+                <ExternalLink className="w-4 h-4" />
+                GroundUp
+              </Link>
+            </Button>
           </div>
           <Separator className="my-2" />
 
diff --git a/ags-validator-app/components/validator/GridView/GridView.tsx b/ags-validator-app/components/validator/GridView/GridView.tsx
index 304183d..4e62607 100644
--- a/ags-validator-app/components/validator/GridView/GridView.tsx
+++ b/ags-validator-app/components/validator/GridView/GridView.tsx
@@ -93,8 +93,6 @@ const GridView: React.FC<Props> = ({
     }
   }, [selection, setSelectedRows]);
 
-  console.log("theme", customTheme);
-
   const scrollToError = useCallback(
     (error: AgsError) => {
       if (group.name !== error.group) {
@@ -203,8 +201,6 @@ const GridView: React.FC<Props> = ({
     dispatch(applySetRowDataEffect());
   };
 
-  const onCellEdited = () => {};
-
   const getData = useCallback(
     ([colNum, rowNum]: Item): GridCell => {
       const lineNumber = group.lineNumber + 4 + rowNum;
@@ -290,7 +286,6 @@ const GridView: React.FC<Props> = ({
         columns={columns}
         getCellContent={getData}
         getCellsForSelection={true}
-        onCellEdited={onCellEdited}
         rows={Object.keys(group.rows).length}
         onPaste={onPaste}
         maxColumnAutoWidth={200}
diff --git a/ags-validator-app/components/validator/TextArea/CodeMirrorTextArea.tsx b/ags-validator-app/components/validator/TextArea/CodeMirrorTextArea.tsx
index 1230f09..a289850 100644
--- a/ags-validator-app/components/validator/TextArea/CodeMirrorTextArea.tsx
+++ b/ags-validator-app/components/validator/TextArea/CodeMirrorTextArea.tsx
@@ -16,12 +16,11 @@ const CodeMirrorTextArea: React.FC<CodeMirrorTextAreaProps> = ({
   setGoToErrorCallback,
 }) => {
   const { theme } = useTheme();
+  const isDark = theme === "dark";
   const agsData = useAppSelector((state) => state.ags.rawData);
   const errors = useAppSelector((state) => state.ags.errors);
   const dispatch = useAppDispatch();
 
-  const isDark = theme === "dark";
-
   const errorLines = errors?.map((error) => error.lineNumber);
 
   const editorRef = useRef<EditorView | null>(null);
@@ -61,9 +60,7 @@ const CodeMirrorTextArea: React.FC<CodeMirrorTextAreaProps> = ({
     [errorLines]
   );
 
-  const themeDemo = useMemo(
-    () =>
-      EditorView.baseTheme({
+  const themeDemo = EditorView.baseTheme({
         "&": {
           backgroundColor: "transparent",
         },
@@ -124,9 +121,7 @@ const CodeMirrorTextArea: React.FC<CodeMirrorTextAreaProps> = ({
         ".cm-string": { color: "hsl(var(--success))" },
         ".cm-number": { color: "hsl(var(--warning))" },
         ".cm-comment": { color: "hsl(var(--muted-foreground))" },
-      }),
-    []
-  );
+      });
 
   return (
     <div className="h-full w-full flex flex-col overflow-auto">
diff --git a/ags-validator-app/hooks/useGridTheme.ts b/ags-validator-app/hooks/useGridTheme.ts
index 4db522f..e8ce8de 100644
--- a/ags-validator-app/hooks/useGridTheme.ts
+++ b/ags-validator-app/hooks/useGridTheme.ts
@@ -40,13 +40,6 @@ export const useGridTheme = () => {
             ? `hsla(${formattedH}, ${formattedS}, ${formattedL}, ${opacity})`
             : `hsl(${formattedH}, ${formattedS}, ${formattedL})`;
 
-        console.log(`Getting CSS var ${variableName}:`, {
-          rawValue: value,
-          opacity,
-          result,
-          components: { h: formattedH, s: formattedS, l: formattedL },
-        });
-
         return result;
       }
 
diff --git a/ags-validator-app/lib/redux/ags.ts b/ags-validator-app/lib/redux/ags.ts
index ee62b5b..ae6ca3f 100644
--- a/ags-validator-app/lib/redux/ags.ts
+++ b/ags-validator-app/lib/redux/ags.ts
@@ -49,8 +49,6 @@ type AgsState = {
   agsDictionaryVersion: AgsDictionaryVersion;
   past: HistoryAction[];
   future: HistoryAction[];
-  canUndo: boolean;
-  canRedo: boolean;
 };
 
 interface SetRowDataPayload {
@@ -66,8 +64,6 @@ const initialState: AgsState = {
   loading: false,
   agsDictionaryVersion: "v4_0_4",
 
-  canUndo: false,
-  canRedo: false,
   past: [],
   future: [],
   rulesConfig: {
@@ -127,6 +123,7 @@ export const applySetRowDataEffect = createAsyncThunk<
   return new Promise<{ rawData: string; errors: AgsError[] }>((resolve) => {
     worker.onmessage = (event) => {
       const { rawData, errors } = event.data;
+      worker.terminate();
       resolve({ rawData, errors });
     };
 
@@ -156,7 +153,7 @@ export const applySetRawDataEffect = createAsyncThunk<
   }>((resolve) => {
     worker.onmessage = (event) => {
       const { parsedAgsNormalized, errors } = event.data;
-
+      worker.terminate();
       resolve({ parsedAgsNormalized, errors });
     };
 
diff --git a/ags-validator-app/tsconfig.json b/ags-validator-app/tsconfig.json
index 53279e8..d57abaa 100644
--- a/ags-validator-app/tsconfig.json
+++ b/ags-validator-app/tsconfig.json
@@ -52,7 +52,7 @@
     "allowJs": true,
     "skipLibCheck": true,
     "noEmit": true,
-    "moduleResolution": "node",
+    "moduleResolution": "bundler",
     "resolveJsonModule": true,
     "isolatedModules": true
   },
diff --git a/ags/package.json b/ags/package.json
index a2e5518..9aea688 100644
--- a/ags/package.json
+++ b/ags/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@groundup-dev/ags",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "type": "module",
   "main": "./dist/index.js",
   "module": "./dist/index.js",
diff --git a/ags/src/rules/rulesForParsedAgs/checkGroupAndHeadings.ts b/ags/src/rules/rulesForParsedAgs/checkGroupAndHeadings.ts
index 9a76cf9..e5c6037 100644
--- a/ags/src/rules/rulesForParsedAgs/checkGroupAndHeadings.ts
+++ b/ags/src/rules/rulesForParsedAgs/checkGroupAndHeadings.ts
@@ -52,7 +52,7 @@ export const rule19: AgsValidationStepParsed = {
 // Rule 19a A HEADING name shall not be more than 9 characters long and shall consist of uppercase letters,
 // numbers or the underscore character only.
 export const rule19a: AgsValidationStepParsed = {
-  rule: 19,
+  rule: "19a",
   description:
     "A HEADING name shall not be more than 9 characters long and shall consist of uppercase letters, numbers or the underscore character only.",
   validate: function (ags: AgsRaw): AgsError[] {
diff --git a/ags/src/validate.ts b/ags/src/validate.ts
index c58dfd0..b408354 100644
--- a/ags/src/validate.ts
+++ b/ags/src/validate.ts
@@ -15,8 +15,6 @@ export type RulesConfig = {
   [key in RuleName]: boolean;
 };
 
-// happy to overwrite ts here
-
 export const defaultRulesConfig = Object.fromEntries(
   [
     ...Object.keys(rulesForParsedAgs),
diff --git a/ags/tsconfig.json b/ags/tsconfig.json
index 88982f6..67d6bf4 100644
--- a/ags/tsconfig.json
+++ b/ags/tsconfig.json
@@ -1,9 +1,9 @@
 {
   "compilerOptions": {
-    "target": "ES2018",
+    "target": "ES2019",
     "module": "ESNext",
-    "moduleResolution": "node",
-    "lib": ["ES2018", "DOM"],
+    "moduleResolution": "bundler",
+    "lib": ["ES2019", "DOM"],
     "declaration": true,
     "declarationMap": true,
     "sourceMap": true,