diff --git a/db/migrations/0215__content_structure.sql b/db/migrations/0215__content_structure.sql
index 9f599cec3..da4afcf6b 100644
--- a/db/migrations/0215__content_structure.sql
+++ b/db/migrations/0215__content_structure.sql
@@ -8,3 +8,6 @@ CREATE TABLE IF NOT EXISTS "blobs" (
 
 ALTER TABLE notes ADD blobId TEXT DEFAULT NULL;
 ALTER TABLE note_revisions ADD blobId TEXT DEFAULT NULL;
+
+CREATE INDEX IF NOT EXISTS IDX_notes_blobId on notes (blobId);
+CREATE INDEX IF NOT EXISTS IDX_note_revisions_blobId on note_revisions (blobId);
diff --git a/db/migrations/0218__rename_note_revision_to_revision.sql b/db/migrations/0218__rename_note_revision_to_revision.sql
index 780099872..c67c52393 100644
--- a/db/migrations/0218__rename_note_revision_to_revision.sql
+++ b/db/migrations/0218__rename_note_revision_to_revision.sql
@@ -21,5 +21,6 @@ CREATE INDEX `IDX_revisions_utcDateCreated` ON `revisions` (`utcDateCreated`);
 CREATE INDEX `IDX_revisions_utcDateLastEdited` ON `revisions` (`utcDateLastEdited`);
 CREATE INDEX `IDX_revisions_dateCreated` ON `revisions` (`dateCreated`);
 CREATE INDEX `IDX_revisions_dateLastEdited` ON `revisions` (`dateLastEdited`);
+CREATE INDEX IF NOT EXISTS IDX_revisions_blobId on revisions (blobId);
 
 UPDATE entity_changes SET entityName = 'revisions' WHERE entityName = 'note_revisions';
diff --git a/db/migrations/0219__attachments.sql b/db/migrations/0219__attachments.sql
index 5e7c93e96..246360bfe 100644
--- a/db/migrations/0219__attachments.sql
+++ b/db/migrations/0219__attachments.sql
@@ -19,3 +19,5 @@ CREATE INDEX IDX_attachments_ownerId_role
 
 CREATE INDEX IDX_attachments_utcDateScheduledForErasureSince
     on attachments (utcDateScheduledForErasureSince);
+
+CREATE INDEX IF NOT EXISTS IDX_attachments_blobId on attachments (blobId);
diff --git a/src/services/build.js b/src/services/build.js
index e73f6f542..f42c6d8df 100644
--- a/src/services/build.js
+++ b/src/services/build.js
@@ -1 +1 @@
-module.exports = { buildDate:"2024-01-12T00:02:50+01:00", buildRevision: "17e063f01d3b6c7a601630feaa96191d26095650" };
+module.exports = { buildDate:"2024-01-21T23:49:23+01:00", buildRevision: "4f8073daa7cff1b8b6737ae45792b2e87c2adf33" };
diff --git a/src/services/cls.js b/src/services/cls.js
index 0bfde4436..8e2c2870c 100644
--- a/src/services/cls.js
+++ b/src/services/cls.js
@@ -48,6 +48,14 @@ function isEntityEventsDisabled() {
     return !!namespace.get('disableEntityEvents');
 }
 
+function setMigrationRunning(running) {
+    namespace.set('migrationRunning', !!running);
+}
+
+function isMigrationRunning() {
+    return !!namespace.get('migrationRunning');
+}
+
 function disableSlowQueryLogging(disable) {
     namespace.set('disableSlowQueryLogging', disable);
 }
@@ -102,5 +110,7 @@ module.exports = {
     putEntityChange,
     ignoreEntityChangeIds,
     disableSlowQueryLogging,
-    isSlowQueryLoggingDisabled
+    isSlowQueryLoggingDisabled,
+    setMigrationRunning,
+    isMigrationRunning
 };
diff --git a/src/services/migration.js b/src/services/migration.js
index 4b9240a04..aeb7ba217 100644
--- a/src/services/migration.js
+++ b/src/services/migration.js
@@ -5,12 +5,13 @@ const log = require('./log.js');
 const utils = require('./utils.js');
 const resourceDir = require('./resource_dir.js');
 const appInfo = require('./app_info.js');
+const cls = require('./cls.js');
 
 async function migrate() {
     const currentDbVersion = getDbVersion();
 
     if (currentDbVersion < 214) {
-        log.error("Direct migration from your current version is not supported. Please upgrade to the latest v0.60.X first and only then to this version.");
+        log.error("Direct migration from your current version is not supported. Please upgrade to the latest v0.60.4 first and only then to this version.");
 
         utils.crash();
         return;
@@ -18,7 +19,7 @@ async function migrate() {
 
     // backup before attempting migration
     await backupService.backupNow(
-        // creating a special backup for versions 0.60.X, the changes in 0.61 are major.
+        // creating a special backup for version 0.60.4, the changes in 0.61 are major.
         currentDbVersion === 214
             ? `before-migration-v060`
             : 'before-migration'
@@ -51,6 +52,9 @@ async function migrate() {
     // all migrations are executed in one transaction - upgrade either succeeds, or the user can stay at the old version
     // otherwise if half of the migrations succeed, user can't use any version - DB is too "new" for the old app,
     // and too old for the new app version.
+
+    cls.setMigrationRunning(true);
+
     sql.transactional(() => {
         for (const mig of migrations) {
             try {
diff --git a/src/services/notes.js b/src/services/notes.js
index 0cb5ab5c8..80a3b8e84 100644
--- a/src/services/notes.js
+++ b/src/services/notes.js
@@ -895,6 +895,11 @@ function scanForLinks(note, content) {
  * Things which have to be executed after updating content, but asynchronously (separate transaction)
  */
 async function asyncPostProcessContent(note, content) {
+    if (cls.isMigrationRunning()) {
+        // this is rarely needed for migrations, but can cause trouble by e.g. triggering downloads
+        return;
+    }
+
     if (note.hasStringContent() && !utils.isString(content)) {
         content = content.toString();
     }