diff --git a/crates/node_binding/binding.d.ts b/crates/node_binding/binding.d.ts
index 5a2505ec2e0..6dacc676f72 100644
--- a/crates/node_binding/binding.d.ts
+++ b/crates/node_binding/binding.d.ts
@@ -27,6 +27,7 @@ export class JsCompilation {
   getModules(): Array<JsModule>
   getOptimizationBailout(): Array<JsStatsOptimizationBailout>
   getChunks(): Array<JsChunk>
+  getNamedChunkKeys(): Array<string>
   getNamedChunk(name: string): JsChunk | null
   setAssetSource(name: string, source: JsCompatSource): void
   deleteAssetSource(name: string): void
diff --git a/crates/rspack_binding_values/src/compilation.rs b/crates/rspack_binding_values/src/compilation.rs
index ea4af705591..f38f15a7417 100644
--- a/crates/rspack_binding_values/src/compilation.rs
+++ b/crates/rspack_binding_values/src/compilation.rs
@@ -175,6 +175,11 @@ impl JsCompilation {
       .collect::<Vec<_>>()
   }
 
+  #[napi]
+  pub fn get_named_chunk_keys(&self) -> Vec<String> {
+    self.0.named_chunks.keys().cloned().collect::<Vec<_>>()
+  }
+
   #[napi]
   pub fn get_named_chunk(&self, name: String) -> Option<JsChunk> {
     self
diff --git a/crates/rspack_core/src/options/target.rs b/crates/rspack_core/src/options/target.rs
index be27bea4d6c..8682f4e1984 100644
--- a/crates/rspack_core/src/options/target.rs
+++ b/crates/rspack_core/src/options/target.rs
@@ -38,6 +38,7 @@ impl Target {
           "browserslist" => TargetEsVersion::BrowsersList,
           "es3" => TargetEsVersion::Esx(EsVersion::Es3),
           "es5" => TargetEsVersion::Esx(EsVersion::Es5),
+          "es6" => TargetEsVersion::Esx(EsVersion::Es2015),
           "es2015" => TargetEsVersion::Esx(EsVersion::Es2015),
           "es2016" => TargetEsVersion::Esx(EsVersion::Es2016),
           "es2017" => TargetEsVersion::Esx(EsVersion::Es2017),
diff --git a/packages/rspack/etc/api.md b/packages/rspack/etc/api.md
index 9f10f3968b6..26a5d2ea749 100644
--- a/packages/rspack/etc/api.md
+++ b/packages/rspack/etc/api.md
@@ -12382,12 +12382,16 @@ export class Stats {
     // (undocumented)
     compilation: Compilation;
     // (undocumented)
+    get endTime(): number | undefined;
+    // (undocumented)
     hasErrors(): boolean;
     // (undocumented)
     get hash(): Readonly<string | null>;
     // (undocumented)
     hasWarnings(): boolean;
     // (undocumented)
+    get startTime(): number | undefined;
+    // (undocumented)
     toJson(opts?: StatsValue, forToString?: boolean): StatsCompilation;
     // (undocumented)
     toString(opts?: StatsValue): string;
diff --git a/packages/rspack/src/Compilation.ts b/packages/rspack/src/Compilation.ts
index ece9b1d74e4..e524a5774d4 100644
--- a/packages/rspack/src/Compilation.ts
+++ b/packages/rspack/src/Compilation.ts
@@ -15,8 +15,7 @@ import {
 	type JsModule,
 	type JsPathData,
 	JsRspackSeverity,
-	type JsRuntimeModule,
-	type JsStatsError
+	type JsRuntimeModule
 } from "@rspack/binding";
 import * as liteTapable from "@rspack/lite-tapable";
 import { Source } from "webpack-sources";
@@ -376,10 +375,14 @@ BREAKING CHANGE: Asset processing hooks in Compilation has been merged into a si
 	/**
 	 * Get the named chunks.
 	 *
-	 * Note: This is a proxy for webpack internal API, only method `get` is supported now.
+	 * Note: This is a proxy for webpack internal API, only method `get` and `keys` is supported now.
 	 */
 	get namedChunks(): ReadonlyMap<string, Readonly<Chunk>> {
 		return {
+			keys: (): IterableIterator<string> => {
+				const names = this.#inner.getNamedChunkKeys();
+				return names[Symbol.iterator]();
+			},
 			get: (property: unknown) => {
 				if (typeof property === "string") {
 					const chunk = this.#inner.getNamedChunk(property) || undefined;
diff --git a/packages/rspack/src/Stats.ts b/packages/rspack/src/Stats.ts
index 27336c350d2..2ab9c8ff8eb 100644
--- a/packages/rspack/src/Stats.ts
+++ b/packages/rspack/src/Stats.ts
@@ -47,6 +47,14 @@ export class Stats {
 		return this.compilation.hash;
 	}
 
+	get startTime() {
+		return this.compilation.startTime;
+	}
+
+	get endTime() {
+		return this.compilation.endTime;
+	}
+
 	hasErrors() {
 		return this.#inner.getErrors().length > 0;
 	}