diff --git a/changelog.md b/changelog.md
index 8dc8a8d..e72e559 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 2026-03-11 - 2.9.2 - fix(mod_esbuild)
+preserve function and class names in esbuild output by enabling keepNames in both dev and prod configs
+
+- Added keepNames: true to esbuild options in ts/mod_esbuild/index.child.ts for the non-minified/dev build
+- Added keepNames: true to esbuild options in ts/mod_esbuild/index.child.ts for the minified/production build to improve stack traces, debugging, and runtime reflection
+
 ## 2026-03-05 - 2.9.1 - fix(mod_custom)
 use absolute smartfs entry.path instead of joining with dirPath when building fullPath
 
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 2ce5001..5107a38 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@git.zone/tsbundle',
-  version: '2.9.1',
+  version: '2.9.2',
   description: 'a multi-bundler tool supporting esbuild, rolldown, and rspack for painless bundling of web projects'
 }
diff --git a/ts/mod_esbuild/index.child.ts b/ts/mod_esbuild/index.child.ts
index 29aa1f1..30919d2 100644
--- a/ts/mod_esbuild/index.child.ts
+++ b/ts/mod_esbuild/index.child.ts
@@ -43,6 +43,7 @@ export class TsBundleProcess {
       sourcemap: true,
       format: 'esm',
       target: 'es2022',
+      keepNames: true,
       entryNames: plugins.path.parse(toArg).name,
       outdir: plugins.path.parse(toArg).dir,
       splitting: false,
@@ -67,6 +68,7 @@ export class TsBundleProcess {
       format: 'esm',
       target: 'es2022',
       minify: true,
+      keepNames: true,
       entryNames: plugins.path.parse(toArg).name,
       outdir: plugins.path.parse(toArg).dir,
       tsconfig: paths.tsconfigPath,