On August 27, 2024, Portainer switched from version 2.19.5 to the new stable 2.21.0 version. It’s mandatory to upgrade since multiple important issues have been fixed in this new version. Portainer 2.21.0 applies various fixes to increase the overall stability of Portainer. Specific adjustments have been made to improve the usage of Portainer at scale, … Read more about Synology: Portainer Docker Version 2.21.0