Poseidon is a container network policy plug-in that implements the standard Kubernetes NetworkPolicy. This topic introduces Poseidon, its usage notes, and release notes.
Usage
Release notes
April 2026
Version | Date | Description | Impact |
v0.7.5 | April 22, 2026 |
| This update does not affect your services. |
v0.7.4 | April 22, 2026 | Fixes an issue related to | This update does not affect your services. |
v0.7.3 | April 17, 2026 |
| This update does not affect your services. |
v0.7.1 | April 9, 2026 | Adds support for the | This update does not affect your services. |
March 2026
Version | Date | Description | Impact |
v0.7.0 | March 26, 2026 | Adds support for the | This update does not affect your services. |
July 2024
Version | Date | Description | Impact |
v0.5.2 | July 29, 2024 | Fixes a compatibility issue with ACK Serverless clusters. | This update does not affect your services. |
v0.5.1 | July 9, 2024 | Fixes an issue where the namespace selector might not take effect. | This update does not affect your services. |
v0.5.0 | July 1, 2024 | Adds support for network policy in ACK. | This update does not affect your services. |
September 2023
Version | Date | Description | Impact |
v0.3.0 | September 8, 2023 | Adds support for named ports in network policies. | This update does not affect your services. |
July 2023
Version | Date | Description | Impact |
v0.1.0 | July 6, 2023 | Introduces support for network policy in ACK Serverless clusters. | This update does not affect your services. |