---
title: Compute package `hashsum` and `size` fields are deprecated
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2026/01/hashsum-size-deprecated
---

The `hashsum` and `size` fields of the Compute package [metadata model](https://www.fastly.com/documentation/reference/api/services/package/#metadata-model) are deprecated in favor of the `files_hash` field.