Enhancements

• EC-28298 - Migration job reports now include the selected OS adaptation mode.
• EC-27897 - Archive job reports now clearly distinguish between snapshot-based and backup-based archiving.
• EC-27954 - Optimized the use of temporary disk space on HYCU instances.
• EC-28247 - Refined malware scanning across all supported source types.

Security

• EC-28346 - Addressed kernel vulnerability CVE-2026-98432 (RHSA-2026:93415).
• EC-28336 - Updated OS packages to address known vulnerabilities.

Improvements

Backup and Restore

• EC-28235 - Incremental-forever merges now take an expired archive into account when it is the only remaining storage tier.
• EC-28283 - Strengthened protection of running backups: snapshots of backups in progress can no longer be mounted through the REST API.

Applications

• EC-28236 - Application data path validation is now skipped for passive SQL Server failover cluster instances.

File Shares and Object Storage

• EC-28256 - Increased the speed of S3 bucket backups for objects with tags.
• EC-28117 - Enhanced session handling for Dell PowerScale (Isilon) share backups.
• EC-28230 - Extended Generic NFS server support to servers whose export list contains hostnames.
• EC-28120 - NetApp ONTAP SnapDiff changes are now limited to the path of the protected share.

Targets

• EC-28332 - Strengthened archive cleanup on S3 targets to preserve data blocks shared with other archives.
• EC-28259 - Target tests now use the AWS VPC endpoint for the public access check.
• EC-28258 - Optimized archive mounts for archives with disk block sizes above 20 MB.
• EC-28338 - Streamlined deduplicated archive cleanup on S3 buckets without versioning.

Security and Compliance

• EC-28284 - Improved malware scan performance.
• EC-28281 - Enhanced malware scanning of directories with a large number of entries.
• EC-28191 - Malware scanning now handles very large files more efficiently.
• EC-28188 - VM malware scans now respect backup disk exclusions.

Hyper-V

• EC-28270 - Hyper-V on French-language systems now falls back to crash-consistent snapshots when needed.

User Interface and Administration

• EC-28325 - Synchronization is now available after re-login while the controller is in recovery mode.

Appliance

• EC-28288 - Extended Backup Controller deployment on AWS to the c4.xlarge instance type.
• EC-28226 - The upgrade dialog now uses only the uploaded file when the default upgrade source is set to file upload.
   

HYCU R-Cloud Hybrid Cloud Edition 5.3.0-4138 - Update
 

New Platform Support

• EC-27827 - Added support for VMware vSphere 9.1.
• EC-26222 - Added support for VMware vSphere 9.0.

Enhancements

• EC-27920 - Hyper-V backups now use multiple threads for faster performance.
• EC-27907 - Added a configurable number of read threads for object storage bucket backups.
• EC-27857 - Share backups now report progress while the full share index is being created.
• EC-27653 - Exported reports are now localized based on the user's language preference.
• EC-28187 - Refined multipart upload cleanup on S3 targets so that it applies only to the relevant data.
• EC-27790 - Shares now support object-specific configuration settings.
• EC-28172 - Streamlined session cleanup for Dell PowerScale (Isilon) file servers.
• EC-28169 - The HYCU hostname is now displayed on the start page.
• EC-27947 - Directory file listings on S3 targets are now more accurate.
• EC-27910 - The system information report (system.txt) now includes the webhook configuration.
• EC-27872 - The core count for physical machines is now shown as "Number of Cores".

Security

• EC-28219 - Updated operating system packages with the latest security updates.

Improvements

Backup and Restore

• EC-28106 - Secure Boot configuration is now preserved when restoring VMs to Azure Local and Hyper-V.
• EC-27919 - Virtual TPM (vTPM) configuration is now restored for VMs that had a vTPM attached at backup time.
• EC-27893 - Improved Azure VM restore when public IP creation is enabled.
• EC-28185 - VM creation during spin-up to AWS is now more reliable.
• EC-27939 - VM clone operations that involve large amounts of metadata now complete reliably.
• EC-28013 - Enhanced retrieval of changed regions for Azure VM backups.
• EC-27972 - Extended support for Hyper-V VM disks located on Cluster Shared Volumes.
• EC-28157 - Snapshots are now cleaned up more consistently after XenServer VM backups.
• EC-28053 - Increased the reliability of copy jobs.
• EC-28086 - Volume mounting with the direct backend is now more robust.
• EC-27904 - The backup consistency check now delivers more accurate results.

Applications

• EC-28017 - SQL Server application backups are now more resilient during the freeze phase.
• EC-27956 - Enhanced application discovery for multi-instance SQL Server clusters.

File Shares and Object Storage

• EC-28117 - Sessions on Dell PowerScale (Isilon) shares are now closed automatically after share backups.
• EC-28120 - Optimized NetApp ONTAP SnapDiff change detection to the path of the protected share.
• EC-28032 - The forever incremental setting is now automatically assigned to Nutanix Files shares after an ownership change when automatic assignment is enabled.
• EC-28056 - Share archiving no longer depends on Azure targets that are not used by the job.
• EC-27883 - Optimized changed file detection on NTFS volumes.
• EC-27823 - Generic file system sources now support hostnames that contain underscores.
• EC-28079 - Temporary bucket creation now works with Google Cloud projects that use custom policy rules.

File-Level Restore

• EC-27762 - Added file-level restore support for Windows Storage Replica disks.
• EC-27826 - More accurate mount point mapping on Linux for LVM volume groups with short names.
• EC-27835 - File-level restore is now available for LVM logical volumes identified by device-mapper UUID.
• EC-27962 - Improved file restore from QStar archives.
• EC-28080 - Mount operations now handle missing permissions gracefully.

Targets

• EC-27946 - S3 bucket names that contain dots are now supported.
• EC-27968 - Enhanced compatibility of S3 WORM targets with NetApp StorageGRID.
• EC-28194 - Optimized the upload of zero-length files to S3 targets.
• EC-28063 - Refined placement of the share and bucket copy catalog on WORM targets.
• EC-28213 - Improved virtual synthetic full creation on Dell Data Domain (DD Boost) targets with a large number of extents.
• EC-27884 - Backup cleanup now respects the Dell Data Domain automatic lock delay, so expired backups are removed as expected.
• EC-27837 - Strengthened WORM retention maintenance on DD Boost replica targets.
• EC-27846 - Relaxed the limits for target configuration.
• EC-27912 - The target benchmark task now runs more reliably.

Security and Compliance

• EC-28081 - Improved license validation in FIPS mode.
• EC-28062 - S3 targets now pass TLS certificate validation in FIPS mode.
• EC-28181 - The Backup Controller now initializes smoothly with FIPS mode enabled.
• EC-27674 - CAC authentication now supports usernames that contain uppercase letters.
• EC-27993 - Certificate chains for GoDaddy root certificates are now ordered correctly for Chromium-based browsers.
• EC-28168 - Queued malware scans now use the correct reference snapshot time.
• EC-28166 - Refined the data tiers evaluated by anomaly detection.
• EC-27900 - Optimized malware scan handling for iSCSI targets.
• EC-27832 - Extended malware scan support to VMs with swap partitions.

VMware

• EC-28057 - Enhanced compatibility with VMware VDDK 9.x.
• EC-28170 - More robust session authentication for VMware VM backups.
• EC-27990 - vSphere sessions now remain authenticated more reliably.

User Interface and Administration

• EC-27881 - Restore point dates and times now display in full for 12-hour locales in time zones with a negative UTC offset.
• EC-27879 - The calendar now correctly detects the 12/24-hour format for time zones with a negative UTC offset.
• EC-27866 - Validation policies can now be deleted while backup validations are queued.
• EC-27848 - The archiving policy "Start At" time now saves seconds correctly.
• EC-27936 - License capacity for Nutanix Files servers is now displayed correctly.
• EC-26842 - Optimized the email notification frequency to reduce load on email relays.
• EC-28118 - Improved handling of concurrent logins by the same user.

Appliance

• EC-28087 - Faster time synchronization for the HYCU appliance.
• EC-26833 - Refined handling of Windows systems where Windows Defender is not installed.