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+---
+title: '4.139.0: 2022-10-28'
+date: 2022-10-28T01:00:00.000Z
+version: 4.139.0
+changelog:
+  - API
+---
+
+### Added
+
+* [Linode Compute Instances](https://www.linode.com/docs/api/linode-instances/) now include the read-only `host_uuid` property. This UUID identifies the host machine of a compute instance, enabling potential failure point identification for applications running on multiple instances.
+
+### Changed
+
+* **Managed Service Create** ([POST /managed/services](https://www.linode.com/docs/api/managed/#managed-service-create))
+
+  **Managed Service Update** ([PUT /managed/services/{serviceId}](https://www.linode.com/docs/api/managed/#managed-service-update))
+  * The `address` property for Managed Services now has a limit of up to 100 characters.
+
+* **Linodes Assign IPv4s** ([POST /networking/ipv4/assign](https://www.linode.com/docs/api/networking/#linodes-assign-ipv4s))
+  * This command is now equivalent to **IP Addresses Assign** ([POST /networking/ipv4/assign](https://www.linode.com/docs/api/networking/#ip-addresses-assign)).
+
+### Fixed
+
+* [StackScripts](https://www.linode.com/docs/api/stackscripts/) are now filterable by `rev_note` in accordance to the documentation.