diff --git a/.changeset/many-meals-do.md b/.changeset/many-meals-do.md
new file mode 100644
index 00000000000..2610def09fd
--- /dev/null
+++ b/.changeset/many-meals-do.md
@@ -0,0 +1,9 @@
+---
+'@clerk/clerk-react': patch
+'@clerk/clerk-sdk-node': patch
+'@clerk/localizations': patch
+'@clerk/shared': patch
+'@clerk/types': patch
+---
+
+Re-implement `tsc` type-checking within the build process
diff --git a/packages/localizations/tsup.config.ts b/packages/localizations/tsup.config.ts
index 020096d7747..04a22a0c63e 100644
--- a/packages/localizations/tsup.config.ts
+++ b/packages/localizations/tsup.config.ts
@@ -70,5 +70,6 @@ export default defineConfig(_overrideOptions => {
     sourcemap: true,
     dts: true,
     splitting: false,
+    onSuccess: 'tsc',
   };
 });
diff --git a/packages/react/tsconfig.json b/packages/react/tsconfig.json
index be04afbdc58..56ef6b8621a 100644
--- a/packages/react/tsconfig.json
+++ b/packages/react/tsconfig.json
@@ -3,6 +3,7 @@
     "baseUrl": ".",
     "declaration": true,
     "declarationMap": false,
+    "emitDeclarationOnly": true,
     "esModuleInterop": true,
     "importHelpers": true,
     "isolatedModules": true,
diff --git a/packages/react/tsup.config.ts b/packages/react/tsup.config.ts
index e2b4da48307..4a5de435ea0 100644
--- a/packages/react/tsup.config.ts
+++ b/packages/react/tsup.config.ts
@@ -1,8 +1,6 @@
 import { defineConfig } from 'tsup';
 
-// @ts-expect-error for `import module with '.json' extension`
 import { version as clerkJsVersion } from '../clerk-js/package.json';
-// @ts-expect-error for `import module with '.json' extension`
 import { name, version } from './package.json';
 
 export default defineConfig(overrideOptions => {
@@ -13,7 +11,7 @@ export default defineConfig(overrideOptions => {
     entry: {
       index: 'src/index.ts',
     },
-    onSuccess: shouldPublish ? 'npm run publish:local' : undefined,
+    onSuccess: ['tsc', shouldPublish ? 'npm run publish:local' : undefined].filter(Boolean).join(' && '),
     format: ['cjs', 'esm'],
     bundle: true,
     clean: true,
diff --git a/packages/sdk-node/tsup.config.ts b/packages/sdk-node/tsup.config.ts
index f402b39bbd5..5d462d258c4 100644
--- a/packages/sdk-node/tsup.config.ts
+++ b/packages/sdk-node/tsup.config.ts
@@ -13,6 +13,7 @@ export default defineConfig(overrideOptions => {
     minify: false,
     sourcemap: true,
     dts: true,
+    onSuccess: 'tsc',
     define: {
       PACKAGE_NAME: `"${name}"`,
       PACKAGE_VERSION: `"${version}"`,
diff --git a/packages/shared/tsup.config.ts b/packages/shared/tsup.config.ts
index 8c912b55a08..6aa05ec398f 100644
--- a/packages/shared/tsup.config.ts
+++ b/packages/shared/tsup.config.ts
@@ -16,6 +16,7 @@ export default defineConfig(overrideOptions => {
     minify: false,
     sourcemap: true,
     dts: true,
+    onSuccess: 'tsc',
     external: ['react', 'react-dom'],
     esbuildPlugins: [WebWorkerMinifyPlugin as any],
     define: {
diff --git a/packages/types/src/localization.retheme.ts b/packages/types/src/localization.retheme.ts
index 28ec6415ec4..b46754b9f4e 100644
--- a/packages/types/src/localization.retheme.ts
+++ b/packages/types/src/localization.retheme.ts
@@ -271,6 +271,8 @@ type _LocalizationResource = {
     start: {
       headerTitle__account: LocalizationValue;
       headerTitle__security: LocalizationValue;
+      headerSubtitle__account: LocalizationValue;
+      headerSubtitle__security: LocalizationValue;
       profileSection: {
         title: LocalizationValue;
       };
@@ -554,6 +556,8 @@ type _LocalizationResource = {
     start: {
       headerTitle__members: LocalizationValue;
       headerTitle__settings: LocalizationValue;
+      headerSubtitle__members: LocalizationValue;
+      headerSubtitle__settings: LocalizationValue;
     };
     profilePage: {
       title: LocalizationValue;
diff --git a/packages/types/src/localization.ts b/packages/types/src/localization.ts
index 1e25159acb0..b46754b9f4e 100644
--- a/packages/types/src/localization.ts
+++ b/packages/types/src/localization.ts
@@ -264,6 +264,10 @@ type _LocalizationResource = {
     formButtonPrimary__continue: LocalizationValue;
     formButtonPrimary__finish: LocalizationValue;
     formButtonReset: LocalizationValue;
+    navbar: {
+      title: LocalizationValue;
+      description: LocalizationValue;
+    };
     start: {
       headerTitle__account: LocalizationValue;
       headerTitle__security: LocalizationValue;
@@ -545,6 +549,10 @@ type _LocalizationResource = {
     badge__automaticInvitation: LocalizationValue;
     badge__automaticSuggestion: LocalizationValue;
     badge__manualInvitation: LocalizationValue;
+    navbar: {
+      title: LocalizationValue;
+      description: LocalizationValue;
+    };
     start: {
       headerTitle__members: LocalizationValue;
       headerTitle__settings: LocalizationValue;
diff --git a/packages/types/tsconfig.json b/packages/types/tsconfig.json
index 5f65c425028..c93611c25a2 100644
--- a/packages/types/tsconfig.json
+++ b/packages/types/tsconfig.json
@@ -7,6 +7,7 @@
     "moduleResolution": "node",
     "declaration": true,
     "declarationMap": true,
+    "emitDeclarationOnly": true,
     "noImplicitReturns": true,
     "noUnusedLocals": true,
     "noUnusedParameters": true,
diff --git a/packages/types/tsup.config.ts b/packages/types/tsup.config.ts
index f138fb99e10..2b9333d639c 100644
--- a/packages/types/tsup.config.ts
+++ b/packages/types/tsup.config.ts
@@ -7,6 +7,7 @@ export default defineConfig(() => {
     entry: {
       index: uiRetheme ? 'src/index.retheme.ts' : 'src/index.ts',
     },
+    onSuccess: 'tsc',
     minify: false,
     clean: true,
     sourcemap: true,