diff --git a/changelog.md b/changelog.md
index 277ab98..4e2cd39 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 2024-09-05 - 5.2.9 - fix(smartdata.classes.doc)
+Fixed issue with convertFilterForMongoDb to handle array operators.
+
+- Updated the convertFilterForMongoDb function in smartdata.classes.doc.ts to properly handle array operators like $in and $all.
+
 ## 2024-09-05 - 5.2.8 - fix(smartdata.classes.doc)
 Fix key handling in convertFilterForMongoDb function
 
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 01f6684..581ded3 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartdata',
-  version: '5.2.8',
+  version: '5.2.9',
   description: 'An advanced library for NoSQL data organization and manipulation using TypeScript with support for MongoDB, data validation, collections, and custom data types.'
 }
diff --git a/ts/smartdata.classes.doc.ts b/ts/smartdata.classes.doc.ts
index b0fc70a..c853d0f 100644
--- a/ts/smartdata.classes.doc.ts
+++ b/ts/smartdata.classes.doc.ts
@@ -53,8 +53,12 @@ export function unI() {
 
 export const convertFilterForMongoDb = (filterArg: { [key: string]: any }) => {
   const convertedFilter: { [key: string]: any } = {};
+
   const convertFilterArgument = (keyPathArg2: string, filterArg2: any) => {
-    if (typeof filterArg2 === 'object') {
+    if (Array.isArray(filterArg2)) {
+      // Directly assign arrays (they might be using operators like $in or $all)
+      convertedFilter[keyPathArg2] = filterArg2;
+    } else if (typeof filterArg2 === 'object' && filterArg2 !== null) {
       for (const key of Object.keys(filterArg2)) {
         if (key.startsWith('$')) {
           convertedFilter[keyPathArg2] = filterArg2;
@@ -70,6 +74,7 @@ export const convertFilterForMongoDb = (filterArg: { [key: string]: any }) => {
       convertedFilter[keyPathArg2] = filterArg2;
     }
   };
+
   for (const key of Object.keys(filterArg)) {
     convertFilterArgument(key, filterArg[key]);
   }