---
sourceDocument: Zurich Release Notes
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/zurich/release-notes

 Release :

    - zurich

ft:locale :

    - en-US

ft:publication_title :

    - Zurich Release Notes

ft:clusterId :

    - rn

bundleId :

    - rn


---

# Zurich Patch 4 Hotfix 1

# Zurich Patch 4 Hotfix 1 {#ariaid-title1}

Release version: Zurich  
Updated December 23, 2025  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
The Zurich Patch 4 Hotfix 1 release contains fixes to these problems.

Build information:
:   Build date: 12-20-2025_0947
:   Build tag: glide-zurich-07-01-2025__patch4-hotfix1-12-19-2025
Important:  
For more information about how to upgrade an instance, see [ServiceNow upgrades](https://servicenow-prod.fluidtopics.net/fUsB9lFROd1_5jM2lwjOwQ "The upgrade process moves your instance to a new ServiceNow release version. Understand the difference between upgrading and patching, release definitions, rollback and backup options, and how to test your non-production and production instance upgrades.").

For more information about the release cycle, see the [ServiceNow Release Cycle](https://support.servicenow.com/kb_view.do?sysparm_article=KB0547244).{#zurich-patch-4-hf-1__p_download-version}  
Note:  
This ServiceNow AI Platform® major family release is now available in ServiceNow's Regulated Market environments. For more information about services available in isolated environments, see [KB0743854](https://support.servicenow.com/kb_view.do?sysparm_article=KB0743854).

## Fixed problem {#zurich-patch-4-hf-1__section_x1h_xmk_shc}

{#zurich-patch-4-hf-1__all-other-fixes__entry__4}

| Problem | Short description | Description | Steps to reproduce |
|-|-|-|-|
| Mobile Studio PRB1974465 | Mobile AI Builder (id = sn_maib) plugin oob_apps/now-mobile-ai-builder.properties should have mode = optional to ensure it is not installed in base instance | Mobile AI Builder (id = sn_maib) is installed as it is marked as mode = core in oob_apps/now-mobile-ai-builder.properties. |   |
[ ]

{#zurich-patch-4-hf-1__all-other-fixes}

## Fixes included {#zurich-patch-4-hf-1__section_y1h_xmk_shc}

Unless any exceptions are noted, you can safely upgrade to this release version from any of the versions listed below. These prior versions contain PRB fixes that are also included with this release.
Be sure to upgrade to the latest listed patch that includes all of the PRB fixes you are interested in.

* [Zurich Patch 4](https://servicenow-prod.fluidtopics.net/i4YMnCLVW7eu1rHqMLWEww "The Zurich Patch 4 release contains important problem fixes.")
* [Zurich Patch 3](https://servicenow-prod.fluidtopics.net/y_CcMaN67V78l~uT3H1T~Q "The Zurich Patch 3 release contains important problem fixes.")
* [Zurich Patch 2](https://servicenow-prod.fluidtopics.net/3Y_k_JRSgF6zCGckwZBWJQ "The Zurich Patch 2 release contains important problem fixes.")
* [Zurich Patch 1](https://servicenow-prod.fluidtopics.net/ryznRs456gpDAGVQsRzm4g "The Zurich Patch 1 release contains important problem fixes.")
* [Zurich security and notable fixes](https://servicenow-prod.fluidtopics.net/iSdf73GoBI~IFroDd~8D8A "The Zurich release contains important problem fixes.")
* [All other Zurich fixes](https://servicenow-prod.fluidtopics.net/y_JpjqwOyLF0ufqO7vRiug "The Zurich release contains important problem fixes.")
{#zurich-patch-4-hf-1__ul_lwm_k3b_lgc}