chore: release 8.19.4

Author: vkarpov15

CHANGELOG.md

@@ -1,3 +1,14 @@
+8.19.4 / 2025-11-14
+===================
+ * fix(schema): avoid throwing error on array of unions #15720 #15718
+ * fix: store original index on insertMany validation errors #15735 [Jadu07](https://github.com/Jadu07)
+ * types: correct return type of discriminator to Model<U> #15726 [twentytwo777](https://github.com/twentytwo777)
+ * docs: improve Next.js integration guide with comprehensive examples #15730 [adarsh-priydarshi-5646](https://github.com/adarsh-priydarshi-5646)
+ * docs: add documentation for Union Schema Type #15721 [TechGenie-awake](https://github.com/TechGenie-awake)
+ * docs: removed the outdated callback and replaced them with async/await pattern #15723 [hk2166](https://github.com/hk2166)
+ * docs: fix lingering remove() call in statics docs #15737 [Gautam-Bharadwaj](https://github.com/Gautam-Bharadwaj)
+ * docs: fix inline doc typo in schematypes.d.ts #15738 [hagid786](https://github.com/hagid786)
+
 8.19.3 / 2025-11-04
 ===================
  * fix(model+plugins): correctly apply shard key on deleteOne() #15705 #15701

package.json

@@ -1,7 +1,7 @@
 {
   "name": "mongoose",
   "description": "Mongoose MongoDB ODM",
-  "version": "8.19.3",
+  "version": "8.19.4",
   "author": "Guillermo Rauch <[email protected]>",
   "keywords": [
     "mongodb",