On December 21, 2024, Portainer switched from version 2.21.4 to the new stable 2.21.5 version. It’s mandatory to upgrade since multiple important issues have been fixed in this new version. Portainer 2.21.5 fixes an issue that omitted copying the IP address in container port mapping when provided during the Edit/Duplicate operation for an existing container. … Read more about Synology: Portainer Docker Version 2.21.5
