# Fleet v4.80.3

- Product: Fleet (https://whatsnew.fyi/product/fleet)
- Vendor: Fleet Device Management
- Date: 2026-02-21
- Version: v4.80.3
- Original notes: https://github.com/fleetdm/fleet/releases/tag/fleet-v4.80.3
- Permalink: https://whatsnew.fyi/product/fleet/releases/v4.80.3

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** — Fixed validation and error handling issues

##### Fleet 4.80.3 (Feb 20, 2026)

###### Bug fixes

- Fixed validation and error handling issues.

> Fleet-maintained app updates and vulnerability feed fixes are applied, whether or not you upgrade.

###### Fleet's agent and fleetctl CLI

The following version of Fleet's agent (fleetd) and fleetctl support the latest changes to Fleet:

1. [orbit-v1.52.1](https://github.com/fleetdm/fleet/releases/tag/orbit-v1.52.1)
2. `fleet-desktop-v1.52.1` (included with Orbit)
3. `osquery-5.21.0` (included with Orbit)
4. [fleetd-chrome-v1.3.5](https://github.com/fleetdm/fleet/releases/tag/fleetd-chrome-v1.3.5)
5. [fleetd-android-v1.0.2](https://github.com/fleetdm/fleet/releases/tag/fleetd-android-v1.0.2)

> While newer versions of fleetd and fleetctl still function with older versions of the Fleet server (and vice versa), Fleet does not actively test these scenarios and some newer features won't be available.

###### Upgrading

Please visit our [upgrade 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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6c39466958adbe599a412059702ddce3868b9799da611112e8b9c4f77888b87f  fleetctl_v4.80.3_linux_amd64.zip
e8f983a032bf602aaa51332528aa88d50590ad317518ec0325bb2b52416fd745  fleetctl_v4.80.3_linux_arm64.tar.gz
d7c615162205455dbb097a1e3a5c28e78d27eba503777b54273b9224648258c7  fleetctl_v4.80.3_linux_arm64.zip
8b3e22ed1ba700d89e0d1783e200f64bb5501ee878d6cd0776c0be531bdba046  fleetctl_v4.80.3_macos.tar.gz
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a5a86cf892f5bc32242ddc74085669e033ba5a6c350928a1c29be97281422092  fleetctl_v4.80.3_windows_amd64.tar.gz
396d990f3cd5ff2b9ee2a73393f3a54b092e58cda3d9af2387f83f11969674a4  fleetctl_v4.80.3_windows_amd64.zip
adebdb0c9dddfdd3a7db335c018e2d5dcb9e8aac96b3c4927ed082cd6cab2f9d  fleetctl_v4.80.3_windows_arm64.tar.gz
ad59b2d4d6a45b235848663d3fff566fec758f0b03b4e9b8718de3981794d070  fleetctl_v4.80.3_windows_arm64.zip
```