Changes compared to 25.9.9

Enhancements​

• Updated the Storage Vault Retention tab to show only Storage Vaults associated with the current device
• Added more details to the job logs for Proxmox restore jobs
• Exposed warnings in the job log when allocating drives for Proxmox restore jobs

Bug Fixes​

• Fixed an issue with the Proxmox Protected Item dialog in the Comet Management Console web interface rendering the Advanced tab multiple times when authentication was unsuccessful
• Fixed an issue with hardware configurations used during restoration of Windows environments from VMware/Hyper-V to Proxmox
• Fixed an issue causing connections to be blocked to Proxmox clusters with one or more nodes down
• Fixed a cosmetic issue rendering overflowing content unable to be scrolled in some areas of the Comet Management Console web interface

Changes compared to 25.8.1

New Features​

Proxmox backups and restores with non-root users​

In Comet 25.8.2, Proxmox backups and restores can now be run using a correctly configured non-root user.

Proxmox restores to Ceph/RBD​

Proxmox restores can now be performed to Ceph/RBD storage.

Changed block tracking for Proxmox protected items​

Changed block tracking (CBT) is now supported for Proxmox Protected Items, allowing for significantly reduced job times when backing up low-churn datasets.

Enhancements​

Added support for backing up stopped Proxmox VMs​

Stopped Proxmox VMs can now be started in a suspended state, allowing them to be backed up.

Storage Template support for new Impossible Cloud regions​

Storage Templates can now be configured for Impossible Cloud's new West-2 and North-1 regions.

Added support for restoring Proxmox LXC containers​

Comet 25.8.2 has added support for performing restores of Proxmox LXC containers back into Proxmox.

Bug Fixes​

• Fixed an issue processing changes by administrators
• Fixed an encoding issue in the Comet Management Console web interface
• Fixed an issue processing changes by tenant administrators
• Fixed an issue leading to incorrect date selections when configuring a monthly schedule in the Comet Backup desktop app
• Fixed an issue with future Deep Verify operations on a Storage Vault being blocked if multiple jobs tried to simultaneously initialize the vault on its first use
• Fixed an issue leading to inaccuracies in SMB-backed Storage Gateway disk size reporting
• Fixed an issue in the Comet Management Console web interface causing the header for the size column to be formatted incorrectly in exported job history
• Fixed an issue in the Comet Management Console web interface affecting the human readable formatting of 'n/a' duration values in exported job history
• Fixed an issue building device associations when creating custom Storage Vaults from the Comet Management Console
• Fixed an issue causing Windows Disk Image backups to fail on host devices with Windows Containers enabled
• Fixed an issue with Comet attempting to backup external VSS snapshots in a Windows Disk Image backup
• Fixed an issue with missing warning messages when manually starting cometd.exe on Windows outside of a service context
• Fixed a cosmetic issue with the window size changing when editing a Proxmox Protected Item from the Comet Backup desktop application
• Fixed an issue with 'Invalid Authentication' errors when a user profile has many thousands of Protected Items and/or Storage Vaults
• Fixed an issue with process argument visibility when using the Comet Backup desktop application
• Fixed an issue with unresponsive cancellation when accessing a remote Proxmox VE server
• Improved the handling of failed message downloads during Office 365 backups by falling back to alternative retrieval methods
• Fixed an issue with the Comet Backup agent failing to open Storage Vaults when multiple keys are present
• Fixed an issue preventing Comet from restoring a Proxmox VM when not all disks were backed up
• Fixed an issue with not respecting the choice of target backup method for Proxmox LXC containers
• Fixed an issue preventing the horizontal scrollbar appearing on the user group management page when overflowing
• Fixed an issue with timing alignment in some scenarios causing scheduled backups not to start

Changes compared to 25.9.7

New Features​

Support shared quotas across multiple Storage Vaults​

Comet 25.9.7 brings initial support for sharing quotas between multiple Storage Vaults, allowing for more flexible storage offerings.

Enhancements​

• The backup job progress bar and ETA value for Proxmox backups are now displayed in the client and Comet Management Console web interface when viewing job details

Bug Fixes​

• Fixed an issue with Office 365 where restore of calendar events causes all event participants to be re-notified
• Fixed an authentication issue when upgrading Windows System Backup Protected Items from a legacy version of Comet Management Console
• Fixed an issue with "Login as user" appearing in the Comet Management Console web interface in cases where it is unavailable/non-functional
• Fixed an issue where Hyper-V/VMware restores to Proxmox were missing a network device
• Fixed an issue with IPv6 addresses being rejected when authenticating to Proxmox
• Fixed an issue in the Comet Backup desktop app allowing the "Edit" button to be clicked when editing functions are unavailable while editing an Office 365 Protected Item
• Fixed an issue in the Comet Backup desktop app preventing Office 365 Protected Item changes being saved in some cases
• Fixed an issue processing changes by administrators
• Fixed an encoding issue in the Comet Management Console web interface
• Fixed an issue processing changes by tenant administrators

Changes compared to 25.9.6

New Features​

Proxmox v9 support​

The Proxmox Protected Item type now supports backing up Proxmox version 9.

Enhancements​

• Changed Block Tracking can now be selected for Proxmox backups via the Comet Backup desktop app
• The storage ID list has been updated to display only valid IDs for the selected node when configuring a Proxmox to Proxmox restore

Bug Fixes​

• Fixed an issue causing Proxmox backups to flatten pre-existing snapshots
• Fixed an issue causing Proxmox restores to fail if a disk image file with the same name already exists
• Fixed an issue impacting the backup and restore of Proxmox VMs with TPM State drives
• Fixed an issue with missing VM notes after performing a Proxmox restore
• Fixed an issue with Proxmox mounted ISO restore encountering 'VM disk file was not allocated'
• Fixed an issue with incorrect warning logs produced during Proxmox backups while listing VM configuration files
• Fixed an issue where newly added disks were not included in Proxmox backups when selecting all disks for a VM
• Fixed an issue causing calendar listing to fail in Microsoft 365 when API issues occur
• Fixed an issue caused by incorrect path separators when generating the macOS client installer from a Windows Comet Management Console
• Fixed a cosmetic issue affecting the rendering of some tooltip content in the Comet Management Console
• Fixed a cosmetic issue causing some navigation elements in the Comet Management Console to render incorrectly at specific low resolutions

Changes compared to 25.9.5

Enhancements​

• The API response returned when triggering backup/restore jobs now includes a JobID field containing the ID of the newly created job. This is only included when the device running the job is running Comet 25.9.6 or newer

Bug Fixes​

• Fixed an issue with timing alignment in some scenarios causing scheduled backups not to start
• Fixed an issue with the Comet Backup agent failing to open Storage Vaults when multiple keys are present
• Fixed an issue in the Comet Management Console web interface causing the header for the size column to be formatted incorrectly in exported job history
• Fixed an issue in the Comet Management Console web interface affecting the human readable formatting of 'n/a' duration values in exported job history
• Fixed an issue leading to inaccuracies in SMB-backed Storage Gateway disk size reporting
• Improved the handling of failed message downloads during Office 365 backups by falling back to alternative retrieval methods
• Fixed an issue leading to incorrect date selections when configuring a monthly schedule in the Comet Backup desktop app
• Fixed an issue with future Deep Verify operations on a Storage Vault being blocked if multiple jobs tried to simultaneously initialize the vault on its first use

Changes compared to 25.9.4

New Features​

Option to enable user home directory sandboxing on Linux​

In Comet 25.9.5, Linux users now have the option to enable sandboxing of user home directories, with Comet backing up each home directory data as the owner of that directory and thus ensuring that permissions and ACLs are fully respected.

Changed block tracking for Proxmox protected items​

Changed block tracking (CBT) is now supported for Proxmox Protected Items, allowing for significantly reduced job times when backing up low-churn datasets.

Enhancements​

Improved the performance of Comet user APIs, particularly when the server is under load​

Comet 25.9.5 brings substantial under-the-hood improvements to the performance of APIs used in regular activities, reducing load on busy servers and increasing throughput of short-lived backup jobs.

Support for running multiple commands in a Program Output Protected Item​

Multiple streams of program output can now be combined into a single program output Protected Item, each with an assigned file name to be used upon restore, allowing for related sets of data to be configured and scheduled in unison.

Storage Template support for new Impossible Cloud regions​

Storage Templates can now be configured for Impossible Cloud's new West-2 and North-1 regions.

Tags for custom backup jobs​

Custom backup jobs started via the API can now have tags specified, allowing these jobs to be identified and retrieved by tag through the job history search in the Management Console and through the API.

Added APIs to get, update and delete Protected Items​

API users can now get, update, and delete Protected Items in isolation, without having to interact with the rest of the user profile.

Bug Fixes​

• Fixed an issue causing Windows Disk Image backups to fail on host devices with Windows Containers enabled
• Fixed an issue building device associations when creating custom Storage Vaults from the Comet Management Console

Changes compared to 25.9.3

New Features​

Proxmox backups and restores with non-root users​

In Comet 25.9.4, Proxmox backups and restores can now be run using a correctly configured non-root user.

Bug Fixes​

• Fixed an issue with process argument visibility when using the Comet Backup desktop application
• Fixed an issue with Comet attempting to backup external VSS snapshots in a Windows Disk Image backup

Changes compared to 25.9.2

New Features​

Proxmox restores to Ceph/RBD​

In Comet 25.9.3, Proxmox restores can now be performed to Ceph/RBD storage.

Bug Fixes​

• Fixed an issue causing Microsoft 365 backups to fail when a folder exceeds 2GB in size
• Fixed an issue preventing Comet from restoring a Proxmox VM when not all disks were backed up
• Fixed an issue preventing the horizontal scrollbar appearing on the user group management page when overflowing
• Fixed a cosmetic issue with the window size changing when editing a Proxmox Protected Item from the Comet Backup desktop application

Changes compared to 25.8.0

Enhancements​

Improved handling of non-default Microsoft 365 document libraries​

Handling of non-default document libraries has been improved to allow for greater backup speed and correct OneDrive attribution.

Wasabi US West 2 (San Jose) Support​

Support has been added to use Wasabi's new region s3.us-west-2.wasabisys.com as a backup destination.

Bug Fixes​

• Fixed an issue with the Proxmox (Beta) Protected Item option not appearing in the Comet Backup desktop app on macOS and Linux
• Fixed an issue causing a 'Named node not found' error during a Proxmox to Proxmox restore
• Fixed an issue causing a 'VM disk file was not allocated' error during a Proxmox to Proxmox restore
• Fixed an issue with Proxmox VM listing where empty nodes would display a generic parsing error instead of a clear message
• Fixed an issue with Proxmox VM selection where unselecting a VM would not properly unselect all its disks
• Fixed an issue causing repeated content to appear during a granular restore for some Hyper-V Protected Items
• Fixed an issue with determining the Linux kernel version after recent software updates on Debian 13
• Fixed an issue with Proxmox-to-Proxmox virtual machine restores failing due to a mounted ISO
• Fixed an issue causing an authentication error when restoring data from a Microsoft 365 Protected Item
• Fixed a cosmetic issue with showing options for File and Folder Protected Items that do not apply to the current operating system
• Fixed a cosmetic issue with missing tooltip information for the "Dismiss EFS Warning" option in a File and Folder Protected Item
• Fixed a cosmetic issue with the Proxmox item picker automatically expanding all nodes
• Fixed a cosmetic issue with field alignment when restoring to a Proxmox VE server in the Comet Backup agent

Changes compared to 25.9.1

Notice​

Presigned Windows software installers are now codesigned by "WebPros International GmbH".

New Features​

SAS Relic codesigning​

In Comet 25.9.2, SAS Relic is now supported as a remote server for codesigning Windows clients.

Ukrainian translation​

Comet now features a Ukrainian (Українська мова) language translation.

Enhancements​

Added support for the new Wasabi US West 2 (San Jose) region​

In Comet 25.9.2, Wasabi users can now configure buckets for Wasabi's new US West 2 (San Jose) region.

Added support for restoring Proxmox LXC containers​

Comet 25.9.2 has added support for performing restores of Proxmox LXC containers back into Proxmox.

Added support for backing up stopped Proxmox VMs​

Stopped Proxmox VMs can now be started in a suspended state, allowing them to be backed up.

Bug Fixes​

• Fixed an issue with 'Invalid Authentication' errors when a user profile has many thousands of Protected Items and/or Storage Vaults
• Fixed an issue with unresponsive cancellation when accessing a remote Proxmox VE server
• Fixed an issue with missing warning messages when manually starting cometd.exe on Windows outside of a service context
• Fixed an issue with not respecting the choice of target backup method for Proxmox LXC containers
• Fixed an issue where the Polish (pl_PL) language was not considered when parsing the Accept-Language HTTP header to translate error messages in the Comet API