Compare releases

Compare releases and check for compatibility between your existing Octopus Server and new releases.

→

Unable to load comparison data

We're sorry, we're unable to load that release comparison at this time. Please try again in a few moments.

What's new

These are the most important features you'll get by upgrading from 2026.3.15829 to 2026.4.3390

Octopus 2026.4

No highlights for 2026.4

Release notes

These are the features and fixes you'll get by upgrading from 2026.3.15829 to 2026.4.3390.

Changes in Octopus Server 2026.4.3390

  • 10255 - Upgrade Octopus Server's Microsoft.Data.SqlClient dependency to 7.10

Changes in Octopus Server 2026.4.3244

  • 10259 - Enhancement: See the remote timestamp of task log output
  • 10246 - Update Entity Framework dependency to 10.0.12
  • 10249 - Octopus Server more efficiently handles secretes when running many concurrent deployments, preventing Out Of Memory Exceptions
  • 10245 - Update Microsoft.Data.SqlClient dependency to 7.0.3
  • 10242 - Fixed issue in Calamari on Windows where a crashed or closed process might result in locks not being released

Changes in Octopus Server 2026.4.2818

  • 10248 - Deployments will no longer be blocked by a hung Clean Package package phase of a deployment

Changes in Octopus Server 2026.4.2760

  • 10230 - Deployments and runbook runs stuck in the Cancelling state can now be abandoned

Changes in Octopus Server 2026.4.2675

  • 10237 - Script steps can now reference a Git repository without cloning it

Changes in Octopus Server 2026.4.2581

  • 10240 - Updated the Audit and Subscription configuration pages to be current space agnostic

Changes in Octopus Server 2026.4.2395

  • 10232 - Octopus can now post deployment and event notifications to Microsoft Teams channels, either through a per-channel webhook URL or the Octopus Teams app
  • 10231 - Fix excessive JIT compilation sometimes resulting in a crash

Changes in Octopus Server 2026.4.1761

  • 10227 - Improve handling of ExtensionSettings on Project and Environment

Changes in Octopus Server 2026.4.1480

  • 10222 - Add API support for configuring steps in process and project templates to select multiple environment or tenant tag scopes
  • 10225 - Fix an issue with process and project templates using newer versions than intended in some cases
  • 10224 - Moved LLMs.txt to the server root at /llms.txt
  • 10218 - Fix: Using variables as container names in Update Amazon ECS Service step fails validation
  • 10216 - Fixed the total number of versions reported when listing package versions from container registry and Artifactory feeds. The total previously reflected the size of the page returned rather than the number of matching versions, so paging through the API could stop before all versions were seen
  • 10221 - Enabled Wait for Argo CD Applications step for self hosted release
  • 10232 - Octopus can now post deployment and event notifications to Microsoft Teams channels, either through a per-channel webhook URL or the Octopus Teams app
  • 10220 - Disable the ability to execute 'Deploy a VHD' steps. If you required VHD deployments, please contact support@octopus.com
  • 10215 - Adds bulk paste selection facility to tenant multi-select for Deployments and Runbook runs

Changes in Octopus Server 2026.4.243

  • 10212 - Fixed a bug where the visibility of the Edit State button on a Task might be incorrect
  • 10206 - Add support for sourcing from GitHub Connections in Process and Project Templates