diff --git a/packages/react-router-config/package.json b/packages/react-router-config/package.json
index 813274d6bc..ccdefdec7e 100644
--- a/packages/react-router-config/package.json
+++ b/packages/react-router-config/package.json
@@ -13,6 +13,8 @@
     "esm",
     "index.js",
     "matchRoutes.js",
+    "modules/*.js",
+    "modules/utils/*.js",
     "renderRoutes.js",
     "warnAboutDeprecatedCJSRequire.js",
     "umd"
diff --git a/packages/react-router-config/rollup.config.js b/packages/react-router-config/rollup.config.js
index ae2323fb84..38aeb7a9e7 100644
--- a/packages/react-router-config/rollup.config.js
+++ b/packages/react-router-config/rollup.config.js
@@ -16,19 +16,24 @@ function isBareModuleId(id) {
 const cjs = [
   {
     input: "modules/index.js",
-    output: { file: `cjs/${pkg.name}.js`, format: "cjs", esModule: false },
+    output: {
+      file: `cjs/${pkg.name}.js`,
+      sourcemap: true,
+      format: "cjs",
+      esModule: false
+    },
     external: isBareModuleId,
     plugins: [
-      babel({ exclude: /node_modules/ }),
+      babel({ exclude: /node_modules/, sourceMaps: true }),
       replace({ "process.env.NODE_ENV": JSON.stringify("development") })
     ]
   },
   {
     input: "modules/index.js",
-    output: { file: `cjs/${pkg.name}.min.js`, format: "cjs" },
+    output: { file: `cjs/${pkg.name}.min.js`, sourcemap: true, format: "cjs" },
     external: isBareModuleId,
     plugins: [
-      babel({ exclude: /node_modules/ }),
+      babel({ exclude: /node_modules/, sourceMaps: true }),
       replace({ "process.env.NODE_ENV": JSON.stringify("production") }),
       uglify()
     ]
@@ -38,11 +43,12 @@ const cjs = [
 const esm = [
   {
     input: "modules/index.js",
-    output: { file: `esm/${pkg.name}.js`, format: "esm" },
+    output: { file: `esm/${pkg.name}.js`, sourcemap: true, format: "esm" },
     external: isBareModuleId,
     plugins: [
       babel({
         exclude: /node_modules/,
+        sourceMaps: true,
         runtimeHelpers: true,
         plugins: [["@babel/transform-runtime", { useESModules: true }]]
       }),
@@ -58,6 +64,9 @@ const umd = [
     input: "modules/index.js",
     output: {
       file: `umd/${pkg.name}.js`,
+      sourcemap: true,
+      sourcemapPathTransform: relativePath =>
+        relativePath.replace(/^.*?\/node_modules/, "../../node_modules"),
       format: "umd",
       name: "ReactRouterConfig",
       globals
@@ -67,6 +76,7 @@ const umd = [
       babel({
         exclude: /node_modules/,
         runtimeHelpers: true,
+        sourceMaps: true,
         plugins: [["@babel/transform-runtime", { useESModules: true }]]
       }),
       nodeResolve(),
@@ -79,6 +89,9 @@ const umd = [
     input: "modules/index.js",
     output: {
       file: `umd/${pkg.name}.min.js`,
+      sourcemap: true,
+      sourcemapPathTransform: relativePath =>
+        relativePath.replace(/^.*?\/node_modules/, "../../node_modules"),
       format: "umd",
       name: "ReactRouterConfig",
       globals
@@ -88,6 +101,7 @@ const umd = [
       babel({
         exclude: /node_modules/,
         runtimeHelpers: true,
+        sourceMaps: true,
         plugins: [["@babel/transform-runtime", { useESModules: true }]]
       }),
       nodeResolve(),
diff --git a/packages/react-router-dom/package.json b/packages/react-router-dom/package.json
index 318c4c1a19..4fb857605c 100644
--- a/packages/react-router-dom/package.json
+++ b/packages/react-router-dom/package.json
@@ -26,6 +26,8 @@
     "index.js",
     "generatePath.js",
     "matchPath.js",
+    "modules/*.js",
+    "modules/utils/*.js",
     "withRouter.js",
     "warnAboutDeprecatedCJSRequire.js",
     "umd"
diff --git a/packages/react-router-dom/rollup.config.js b/packages/react-router-dom/rollup.config.js
index 1680977e24..f665d141c4 100644
--- a/packages/react-router-dom/rollup.config.js
+++ b/packages/react-router-dom/rollup.config.js
@@ -16,19 +16,24 @@ function isBareModuleId(id) {
 const cjs = [
   {
     input: "modules/index.js",
-    output: { file: `cjs/${pkg.name}.js`, format: "cjs", esModule: false },
+    output: {
+      file: `cjs/${pkg.name}.js`,
+      sourcemap: true,
+      format: "cjs",
+      esModule: false
+    },
     external: isBareModuleId,
     plugins: [
-      babel({ exclude: /node_modules/ }),
+      babel({ exclude: /node_modules/, sourceMaps: true }),
       replace({ "process.env.NODE_ENV": JSON.stringify("development") })
     ]
   },
   {
     input: "modules/index.js",
-    output: { file: `cjs/${pkg.name}.min.js`, format: "cjs" },
+    output: { file: `cjs/${pkg.name}.min.js`, sourcemap: true, format: "cjs" },
     external: isBareModuleId,
     plugins: [
-      babel({ exclude: /node_modules/ }),
+      babel({ exclude: /node_modules/, sourceMaps: true }),
       replace({ "process.env.NODE_ENV": JSON.stringify("production") }),
       uglify()
     ]
@@ -38,12 +43,13 @@ const cjs = [
 const esm = [
   {
     input: "modules/index.js",
-    output: { file: `esm/${pkg.name}.js`, format: "esm" },
+    output: { file: `esm/${pkg.name}.js`, sourcemap: true, format: "esm" },
     external: isBareModuleId,
     plugins: [
       babel({
         exclude: /node_modules/,
         runtimeHelpers: true,
+        sourceMaps: true,
         plugins: [["@babel/transform-runtime", { useESModules: true }]]
       }),
       sizeSnapshot()
@@ -58,6 +64,9 @@ const umd = [
     input: "modules/index.js",
     output: {
       file: `umd/${pkg.name}.js`,
+      sourcemap: true,
+      sourcemapPathTransform: relativePath =>
+        relativePath.replace(/^.*?\/node_modules/, "../../node_modules"),
       format: "umd",
       name: "ReactRouterDOM",
       globals
@@ -67,6 +76,7 @@ const umd = [
       babel({
         exclude: /node_modules/,
         runtimeHelpers: true,
+        sourceMaps: true,
         plugins: [["@babel/transform-runtime", { useESModules: true }]]
       }),
       nodeResolve(),
@@ -86,6 +96,9 @@ const umd = [
     input: "modules/index.js",
     output: {
       file: `umd/${pkg.name}.min.js`,
+      sourcemap: true,
+      sourcemapPathTransform: relativePath =>
+        relativePath.replace(/^.*?\/node_modules/, "../../node_modules"),
       format: "umd",
       name: "ReactRouterDOM",
       globals
@@ -95,6 +108,7 @@ const umd = [
       babel({
         exclude: /node_modules/,
         runtimeHelpers: true,
+        sourceMaps: true,
         plugins: [["@babel/transform-runtime", { useESModules: true }]]
       }),
       nodeResolve(),
diff --git a/packages/react-router/package.json b/packages/react-router/package.json
index 66499b639e..246bac32b8 100644
--- a/packages/react-router/package.json
+++ b/packages/react-router/package.json
@@ -22,6 +22,8 @@
     "index.js",
     "generatePath.js",
     "matchPath.js",
+    "modules/*.js",
+    "modules/utils/*.js",
     "withRouter.js",
     "warnAboutDeprecatedCJSRequire.js",
     "umd"
diff --git a/packages/react-router/rollup.config.js b/packages/react-router/rollup.config.js
index 68a0e91ef4..b5c10441cc 100644
--- a/packages/react-router/rollup.config.js
+++ b/packages/react-router/rollup.config.js
@@ -16,10 +16,15 @@ function isBareModuleId(id) {
 const cjs = [
   {
     input: "modules/index.js",
-    output: { file: `cjs/${pkg.name}.js`, format: "cjs", esModule: false },
+    output: {
+      file: `cjs/${pkg.name}.js`,
+      sourcemap: true,
+      format: "cjs",
+      esModule: false
+    },
     external: isBareModuleId,
     plugins: [
-      babel({ exclude: /node_modules/ }),
+      babel({ exclude: /node_modules/, sourceMaps: true }),
       replace({
         "process.env.NODE_ENV": JSON.stringify("development"),
         "process.env.BUILD_FORMAT": JSON.stringify("cjs")
@@ -28,10 +33,10 @@ const cjs = [
   },
   {
     input: "modules/index.js",
-    output: { file: `cjs/${pkg.name}.min.js`, format: "cjs" },
+    output: { file: `cjs/${pkg.name}.min.js`, sourcemap: true, format: "cjs" },
     external: isBareModuleId,
     plugins: [
-      babel({ exclude: /node_modules/ }),
+      babel({ exclude: /node_modules/, sourceMaps: true }),
       replace({
         "process.env.NODE_ENV": JSON.stringify("production"),
         "process.env.BUILD_FORMAT": JSON.stringify("cjs")
@@ -44,12 +49,13 @@ const cjs = [
 const esm = [
   {
     input: "modules/index.js",
-    output: { file: `esm/${pkg.name}.js`, format: "esm" },
+    output: { file: `esm/${pkg.name}.js`, sourcemap: true, format: "esm" },
     external: isBareModuleId,
     plugins: [
       babel({
         exclude: /node_modules/,
         runtimeHelpers: true,
+        sourceMaps: true,
         plugins: [["@babel/transform-runtime", { useESModules: true }]]
       }),
       replace({ "process.env.BUILD_FORMAT": JSON.stringify("esm") }),
@@ -65,6 +71,9 @@ const umd = [
     input: "modules/index.js",
     output: {
       file: `umd/${pkg.name}.js`,
+      sourcemap: true,
+      sourcemapPathTransform: relativePath =>
+        relativePath.replace(/^.*?\/node_modules/, "../../node_modules"),
       format: "umd",
       name: "ReactRouter",
       globals
@@ -74,6 +83,7 @@ const umd = [
       babel({
         exclude: /node_modules/,
         runtimeHelpers: true,
+        sourceMaps: true,
         plugins: [["@babel/transform-runtime", { useESModules: true }]]
       }),
       nodeResolve(),
@@ -94,6 +104,9 @@ const umd = [
     input: "modules/index.js",
     output: {
       file: `umd/${pkg.name}.min.js`,
+      sourcemap: true,
+      sourcemapPathTransform: relativePath =>
+        relativePath.replace(/^.*?\/node_modules/, "../../node_modules"),
       format: "umd",
       name: "ReactRouter",
       globals
@@ -103,6 +116,7 @@ const umd = [
       babel({
         exclude: /node_modules/,
         runtimeHelpers: true,
+        sourceMaps: true,
         plugins: [["@babel/transform-runtime", { useESModules: true }]]
       }),
       nodeResolve(),