26.5.3 ‘Voyager’ released

June 24, 2026 · 2 min read

Changes compared to 26.5.2

Added deeplink support for Storage Vaults
Improved the performance of Comet Server user APIs, particularly with larger user profiles
Improved performance of the Comet Backup desktop app when rendering main screen charts (COMET-59908)
Added in-process DNS Cache for Comet server and client binaries - on by default for Linux and MacOS
Improve performance of the Comet Backup desktop app (COMET-1951)

Fixed an issue that could cause excessive server log messages when deleting user accounts (COMET-59992)
Fixed an issue causing file handle exhaustion ("too many open files") in the Comet Backup agent on Linux
Proxmox backup and restore now works for volumes in linked clones
Fixed an issue with live connection APIs when logged in to the Comet Management Console as an end-user (COMET-59967)
Fixed an issue with user quota enforcement (COMET-59983)
Fixed an issue with multi-factor Authentication in Comet Management Console top prevent TOTP codes from being used in the same time window
Fixed an issue with missing "Other devices" usage information in the chart screen in the Comet Backup desktop app
Fixed an issue causing the MSI Backup Agent download to start twice from the Download Backup Agent page of the Comet Management Console with unauthenticated downloads disabled
Fixed an issue causing concurrent backup jobs to fail with "No encryption key is available" on the first backup to a newly created Storage Vault
Fixed an issue preventing cleanup of HyperV checkpoints created by backup if the storage vault quota has been exceeded