See Upgrading Portainer instructions.

Overview of changes

New Portainer CE 2.19.1 release

Breaking Changes

• Changes to API format and checking of some requests - See rest API changes below for more details.

Portainer

• Fixed an issue where backup files were missing the Chisel private key. This could have disrupted communication between the Portainer server and agent after a restoration from backup. https://github.com/portainer/portainer/issues/10335
• Improved the upgrade process for the Portainer server, upgrade process now halts on database migration errors, preventing database version mismatches for a more stable environment. https://github.com/portainer/portainer/issues/10336
• Fixed an issue where toggles could be activated outside of their intended component area, potentially leading to inadvertent toggling. https://github.com/portainer/portainer/issues/10324

Rest API Changes

• Fixed an issue introduced in 2.19.0 when Kubernetes environment metrics API features were enabled, where these features would return an ‘Unable to reach metrics API’ error.
• Introduced new format around the change of a user’s password via API. https://github.com/portainer/portainer/issues/10326
• Updated the checking around change of a user via API. https://github.com/portainer/portainer/issues/10326
• Fixed API endpoints that were broken in the 2.19.0 release, ensuring that they retain their previous functionality. https://github.com/portainer/portainer/issues/10337