diff --git a/packages/core/__tests__/backup.test.js b/packages/core/__tests__/backup.test.js
index c2aa3bff6..0fd1770a2 100644
--- a/packages/core/__tests__/backup.test.js
+++ b/packages/core/__tests__/backup.test.js
@@ -72,6 +72,8 @@ describe.each([["v5.2", v52Backup]])(
         await db.backup.import(JSON.stringify(data));
 
         expect(db.settings.raw.id).toBeDefined();
+        expect(db.settings.raw.dateModified).toBeDefined();
+        expect(db.settings.raw.dateEdited).toBeUndefined();
 
         expect(
           db.notes.all.every((v) => {
@@ -80,21 +82,31 @@ describe.each([["v5.2", v52Backup]])(
             const hasTopicsInAllNotebooks =
               !v.notebooks ||
               v.notebooks.every((nb) => !!nb.id && !!nb.topics && !nb.topic);
+            const hasDateModified = v.dateModified > 0;
             return (
               doesNotHaveContent &&
               !v.notebook &&
               hasTopicsInAllNotebooks &&
-              doesNotHaveColors
+              doesNotHaveColors &&
+              hasDateModified
             );
           })
         ).toBeTruthy();
 
-        expect(db.notebooks.all.every((v) => v.title != null)).toBeTruthy();
+        expect(
+          db.notebooks.all.every((v) => v.title != null && v.dateModified > 0)
+        ).toBeTruthy();
+
+        expect(
+          db.attachments.all.every((v) => v.dateModified > 0 && !v.dateEdited)
+        ).toBeTruthy();
 
         const allContent = await db.content.all();
         expect(
           allContent.every((v) => v.type === "tiny" || v.deleted)
         ).toBeTruthy();
+        expect(allContent.every((v) => !v.persistDateEdited)).toBeTruthy();
+        expect(allContent.every((v) => v.dateModified > 0)).toBeTruthy();
       });
     });
 
@@ -105,6 +117,7 @@ describe.each([["v5.2", v52Backup]])(
         verifyIndex(data, db, "notes", "notes");
         verifyIndex(data, db, "notebooks", "notebooks");
         verifyIndex(data, db, "content", "content");
+        verifyIndex(data, db, "attachments", "attachments");
         // verifyIndex(data, db, "trash", "trash");
       });
     });
diff --git a/packages/core/common.js b/packages/core/common.js
index 9db44a836..c3eb5cec1 100644
--- a/packages/core/common.js
+++ b/packages/core/common.js
@@ -52,7 +52,7 @@ export const EVENTS = {
   mediaAttachmentDownloaded: "attachments:mediaDownloaded",
 };
 
-export const CURRENT_DATABASE_VERSION = 5.2;
+export const CURRENT_DATABASE_VERSION = 5.3;
 
 export function setUserPersonalizationBytes(userSalt) {
   USER_PERSONALIZATION_HASH = new Uint8Array(
diff --git a/packages/core/database/backup.js b/packages/core/database/backup.js
index 2bcbaa483..1b2bfe686 100644
--- a/packages/core/database/backup.js
+++ b/packages/core/database/backup.js
@@ -92,12 +92,9 @@ export default class Backup {
 
     switch (version) {
       case CURRENT_DATABASE_VERSION:
-      case 5.0:
       case 5.1:
-      case 4:
-      case 4.1:
-      case 4.2:
-      case 4.3: {
+      case 5.2:
+      case 5.0: {
         return backup;
       }
       default:
diff --git a/packages/core/migrations.js b/packages/core/migrations.js
index 3295e09a7..053102056 100644
--- a/packages/core/migrations.js
+++ b/packages/core/migrations.js
@@ -1,32 +1,16 @@
 export const migrations = {
-  4: {
-    note: function (item) {
-      if (item.notebooks && item.notebooks.every((n) => !n.id)) {
-        item.notebooks = undefined;
-      }
-      return migrations["4.1"].note(item);
-    },
-  },
-  4.1: {
-    note: function (item) {
-      return migrations["4.2"].note(item);
-    },
-  },
-  4.2: {
-    note: function (item) {
-      if (item.notebooks) {
-        item.notebooks = item.notebooks.map((nb) => {
-          return { id: nb.id, topics: nb.topics || [nb.topic] };
-        });
-      }
-      item.migrated = true;
-      return item;
-    },
-  },
-  4.3: {},
   5.0: {},
   5.1: {},
   5.2: {
+    note: replaceDateEditedWithDateModified(),
+    notebook: replaceDateEditedWithDateModified(),
+    tag: replaceDateEditedWithDateModified(true),
+    attachment: replaceDateEditedWithDateModified(true),
+    trash: replaceDateEditedWithDateModified(),
+    tiny: replaceDateEditedWithDateModified(),
+    settings: replaceDateEditedWithDateModified(true),
+  },
+  5.3: {
     note: false,
     notebook: false,
     tag: false,
@@ -36,3 +20,12 @@ export const migrations = {
     settings: false,
   },
 };
+
+function replaceDateEditedWithDateModified(removeDateEditedProperty = false) {
+  return function (item) {
+    item.dateModified = item.dateEdited;
+    if (removeDateEditedProperty) delete item.dateEdited;
+    delete item.persistDateEdited;
+    return item;
+  };
+}
diff --git a/packages/core/package.json b/packages/core/package.json
index 6342c0618..bb9fe0bfd 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "notes-core",
-  "version": "6.15.0",
+  "version": "6.16.0",
   "private": true,
   "main": "./api/index.js",
   "devDependencies": {