# Fleet v4.78.3

- Product: Fleet (https://whatsnew.fyi/product/fleet)
- Vendor: Fleet Device Management
- Date: 2026-01-13
- Version: v4.78.3
- Original notes: https://github.com/fleetdm/fleet/releases/tag/fleet-v4.78.3
- Permalink: https://whatsnew.fyi/product/fleet/releases/v4.78.3

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — Improved SOAP message validation on Windows MDM endpoints
- **changed** — Revised auth requirements for /debug endpoints

###### Bug fixes

- Improved SOAP message validation on Windows MDM endpoints
- Revised auth requirements for /debug endpoints


###### Upgrading

Please visit our [update guide](https://fleetdm.com/docs/deploying/upgrading-fleet) for upgrade instructions.

###### Documentation

Documentation for Fleet is available at [fleetdm.com/docs](https://fleetdm.com/docs).

###### Binary Checksum

**SHA256**

```
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ee90f4b54c4575a0b5bcf54220f042728cdbcbd98ea2816b24f4c220836e9b25  fleetctl_v4.78.3_linux_arm64.tar.gz
3afcee8aabecfe6d48f7ef7d55f9a5e09a6c994b8e15063da5e24343af257f64  fleetctl_v4.78.3_linux_arm64.zip
9b2b5cb49d7b3322604195ce2c2ddb8093095fbf4c046e646118ff2be2825c46  fleetctl_v4.78.3_macos.tar.gz
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10dac64c64eda92350ea26aeacecefdd0705dd2273f5a73e5cfb7c172bd10be2  fleetctl_v4.78.3_windows_amd64.tar.gz
7d7f7a4092bd9c0b9448ed5df24e7e59849f66e77076509d5c6e2c2f270cd9be  fleetctl_v4.78.3_windows_amd64.zip
34401d28838941c83c1bb5a95a959ac0f0450d3f46f743f9c6c037f3e0054e17  fleetctl_v4.78.3_windows_arm64.tar.gz
6ea22ce52b5527b83d675409aa49468707897e58f5f965a704e3b4c5dc7ea8a2  fleetctl_v4.78.3_windows_arm64.zip
```