Feature

• [FEATURE] Guess Linux distro from the package manager 12153 - @yangchiu @derekbit @NamrathShetty @Copilot
• [FEATURE] Provide a helm chart setting to define the managerUrl 10583 - @lexfrei @yangchiu
• [FEATURE] Add metric for last backup of a volume 6049 - @c3y1huang @roger-ryao
• [FEATURE] Real-time volume performance monitoring 368 - @derekbit @hookak
• [UI][FEATURE] Monitor Node Disk Health 12263 - @houhoucoop @roger-ryao
• [FEATURE] custom annotation/label of UI's k8s service on value.yaml of helm chart 11754 - @yangchiu @lucasl0st
• [FEATURE] Make longhornctl load ublk_drv module when kernel version is 6 or newer 11803 - @chriscchien @bachmanity1
• [BUG] Inherit namespace for longhorn-share-manager in FastFailover mode 12244 - @yangchiu @semenas
• [FEATURE] Enable CSI pod anti-affinity preset update 12100 - @yangchiu @yulken
• [FEATURE] [Dependency] aws-sdk-go v1.55.7 is EOL as of 2025-07-31 — plan to migrate to v2? 12098 - @mantissahz @roger-ryao
• [FEATURE] Change volume operation menu button behaviour from hover to click. 11408 - @yangchiu @houhoucoop
• [FEATURE] "hard" podAntiAffinity for csi-attacher/csi-provisioner/csi-resizer/csi-snapshotter 11617 - @yangchiu @yulken
• [FEATURE] node storage scheduled metrics 11949 - @yangchiu @AoRuiAC

Improvement

• [IMPROVEMENT] Generalize the offline rebuilding setting for both data engines 12484 - @mantissahz @chriscchien
• [IMPROVEMENT] Introduce Concurrent Job Limit for Snapshot Operations 11635 - @yangchiu @derekbit @davidcheng0922 @Copilot
• [IMPROVEMENT] Improve disk error logging to retain errors from newDiskServiceClients() 12446 - @yangchiu @davidcheng0922
• [IMPROVEMENT] Propagate longhorn-manager's timezone to instance-manager and CSI pods 12448 - @hookak @roger-ryao
• [UI][FEATURE] Scale replica rebuilding speed form multiple healthy replicas 12461 - @houhoucoop @roger-ryao
• [IMPROVEMENT] Configure rolling update strategy for longhorn-manager and CSI deployments 12240 - @hookak @chriscchien
• [IMPROVEMENT] Improve log messages for rebuildNewReplica() in lonbghorn-manager 12426 - @derekbit @chriscchien
• [IMPROVEMENT] misleading message when instance manager tries to create the pod 11759 - @mantissahz @chriscchien
• [IMPROVEMENT] To improve the debugging process and UX, it would be nice that the error is recorded in the instancemanager.status.conditions. 6732 - @mantissahz @chriscchien
• [IMPROVEMENT] Add setting to disable node disk health monitoring 12300 - @derekbit @roger-ryao @Copilot
• [IMPROVEMENT] Avoid repeat engine restart when there are replica unavailable during migration 11397 - @yangchiu @shuo-wu
• [IMPROVEMENT] [Script] Minor script adjustments from PR #12177 12187 - @rauldsl @yangchiu
• [IMPROVEMENT] Check toolchain versions before generate k8s codes 12164 - @derekbit @roger-ryao
• [IMPROVEMENT] Create Volume UI improvement, Automatically Filter Data Source Based on v1 or v2 Selection 11846 - @yangchiu @houhoucoop
• [IMPROVEMENT] Disable the snapshot of v1 volume hashing while it is being deleted 10294 - @davidcheng0922 @chriscchien
• [IMPROVEMENT] Expose SPDK UBLK Parameters 11039 - @derekbit @PhanLe1010 @roger-ryao @Copilot
• [IMPROVEMENT] Check that block device is not in use before creating disk 12078 - @chriscchien @bachmanity1
• [UI][IMPROVEMENT] Awareness of when an offline replica rebuilding is triggered for an individual volume 11247 - @houhoucoop @roger-ryao
• [IMPROVEMENT] Ensure synchronized upgrades between longhorn-manager and instance-manager 12309 - @hookak @chriscchien
• [IMPROVEMENT] Add Resource Limits Configuration for Longhorn manager/instance-manager 12225 - @hookak @chriscchien
• [IMPROVEMENT] Add Validation Webhook to Volume Expansion When Node Disk Is Full 12134 - @yangchiu @davidcheng0922
• [UI][IMPROVEMENT] Expose SPDK UBLK Parameters 12166 - @houhoucoop @roger-ryao
• [IMPROVEMENT] Fix V2 Volume CSI Clone Slowness Caused by VolumeAttachment Webhook Blocking 12328 - @PhanLe1010 @roger-ryao
• [IMPROVEMENT] Use label-based state in metrics instead of numeric values 10723 - @hookak @roger-ryao
• [IMPROVEMENT] Add Resource Limits Configuration for CSI Components 12224 - @yangchiu @hookak @Copilot
• [IMPROVEMENT] Awareness of when an offline replica rebuilding is triggered for an individual volume 11246 - @yangchiu @mantissahz
• [IMPROVEMENT] Add loadBalancerClass value inside a helm chart for ui service 12273 - @ehpc @chriscchien
• [IMPROVEMENT] Add DNS round-robin load balancing to the pool of S3 addresses 12296 - @yangchiu
• [UI][IMPROVEMENT] Should Not Hide the Deleted Snapshots on UI 11620 - @yangchiu @houhoucoop
• [IMPROVMENT] Helm chart Multiple TLS FQDNs 12127 - @yangchiu @hrabalvojta
• [IMPROVEMENT] Removing executables from mirrored-longhornio-longhorn-engine image 11254 - @derekbit @chriscchien
• [IMPROVEMENT] [DOC] Clarify replica auto-balance behavior for unhealthy and detached volumes 12002 - @roger-ryao @sushant-suse
• [IMPROVEMENT] CRD enum values 9718 - @roger-ryao @nzhan126
• [DOC] Troubleshooting KB Articles Fix Typos 12199 - @jmeza-xyz
• [IMPROVEMENT] Remove backupstore releated settings 11026 - @nzhan126
• [IMPROVEMENT] Reject Trim Operation on Block Volume 12048 - @yangchiu @derekbit
• [IMPROVEMENT] Replace github.com/pkg/errors with github.com/cockroachdb/errors 11413 - @derekbit @chriscchien
• [UI][IMPROVEMENT] UI shows the backing image virtual size 11674 - @chriscchien @houhoucoop
• [IMPROVEMENT] Simplify locking in unsub and stream methods 12057 - @derekbit @NamrathShetty
• [UI][IMPROVEMENT] Show Error Message for Unschedulable Disks 11449 - @yangchiu @houhoucoop
• [IMPROVEMENT] The auto-delete-pod-when-volume-detached-unexpectedly should only focus on the kuberentes builtin workload. 12120 - @derekbit @chriscchien @sushant-suse
• [IMPROVEMENT] CSIStorageCapacity objects must show schedulable (allocatable) capacity 12014 - @chriscchien @bachmanity1
• [IMPROVEMENT] improve error logging for failed mounting during node publish volume 12025 - @COLDTURNIP @roger-ryao
• [IMPROVEMENT] Improve Helm Chart defaultSettings handling with automatic quoting and multi-type support 12019 - @derekbit @chriscchien
• [IMPROVEMENT] volume spec.backingImage and spec.encrypted shouldn't allow to update for both v1 and v2 data engines 11615 - @yulken @roger-ryao

Bug

• [BUG] Replica rebuild, clone and restore fail, traffic being sent to HTTP proxy 12304 - @derekbit @roger-ryao
• [BUG] Healthy replica could be deleted unexpectedly after reducing volume's number of replicas 12511 - @yangchiu @shuo-wu
• [BUG] Auto balance feature may lead to volumes falling into a replica deletion-recreation loop 11730 - @shuo-wu @roger-ryao
• [BUG] Data locality enabled volume fails to remove an existing running replica after numberOfReplicas reduced 12488 - @derekbit @chriscchien
• [BUG] Single replica volume could get stuck in attaching/detaching loop after the replica node rebooted 9141 - @COLDTURNIP @yangchiu
• [BUG] v2 volume rebuild performance doesn't improve after enabling snapshot integrity 12416 - @yangchiu @davidcheng0922
• [BUG] Request Header Or Cookie Too Large in Web UI with OIDC auth 12077 - @chriscchien @houhoucoop
• [BUG] v1.11.x upgrade test may fail because the default disk of a node is removed during a test case and cannot be re-added 12469 - @COLDTURNIP @yangchiu
• [BUG] Potential Instance Manager Client Context Leak 12198 - @derekbit @chriscchien
• [BUG] v2 DR volume becomes faulted during incremental restoration after source volume expansion 12465 - @yangchiu @davidcheng0922
• [BUG] SnapshotBack proxy request might be sent to incorrect instance-manager pod 12475 - @derekbit @chriscchien
• [BUG] rebuildConcurrentSyncLimit field is omitted from volume.spec when value is 0 12471 - @derekbit @houhoucoop @roger-ryao
• [BUG] Adding multiple disks to the same node concurrently may occasionally fail 11971 - @davidcheng0922 @roger-ryao
• [BUG] unknown OS condition in node CR is not properly removed during upgrade 12450 - @COLDTURNIP @roger-ryao
• [BUG] Longhorn charts does not take care timezone 11965 - @hookak @roger-ryao
• [BUG] Pod failed to use an activated DR volume, got UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY error 12444 - @yangchiu
• [BUG] v2 volumes do not reuse failed replicas for rebuilding as expected 12413 - @yangchiu @shuo-wu
• [BUG] v2 volumes complete offline rebuilding with an extra failed replica if a node is rebooted during the rebuild 12407 - @yangchiu @mantissahz
• [BUG] Test case test_rebuild_failure_with_intensive_data is failing because replicas cannot be rebuilt after replica process crashed 12436 - @yangchiu @shuo-wu
• [BUG] Replica mode becomes empty and replica rebuilding cannot be triggered after upgrading from v1.10.1 to master-head or v1.11.0-rc1 12431 - @yangchiu @derekbit
• [BUG] v2 volumes get stuck in Attaching/Detaching loop after node reboots 12406 - @yangchiu @c3y1huang
• [BUG] test_basic.py::test_expansion_basic is flaky on v2 data engine due to revert snapshot fail 12235 - @davidcheng0922 @chriscchien
• [BUG] Longhorn nodes may fail to recover after node reboots 12422 - @COLDTURNIP @yangchiu
• [BUG] Missing Frontend default value when creating v2 volumes via Longhorn UI 12152 - @houhoucoop @roger-ryao
• [BUG] setting values are not converted to strings in Longhorn UI 12192 - @chriscchien @houhoucoop
• [BUG] disk health information appears briefly 12415 - @c3y1huang @roger-ryao
• [BUG] encrypted v2 volume gets stuck in Attaching/Detaching loop after volume expansion 12359 - @yangchiu @davidcheng0922
• [BUG] Unexpected orphaned replica is created after node reboot, preventing new replica from being scheduled on that node, and blocking v2 volume from recovering to healthy state 11333 - @yangchiu @c3y1huang
• [BUG] RWX volume becomes unavailable after drain node 12226 - @yangchiu @mantissahz
• [BUG] invalid memory address or nil pointer dereference 11939 - @bachmanity1 @roger-ryao
• [BUG] share-manager excessive memory usage 11938 - @derekbit @chriscchien
• [BUG] Encrypted Volume Cannot Be Expanded Online 12366 - @yangchiu @chriscchien
• [BUG] Backing image download gets stuck after network disconnection 11622 - @COLDTURNIP @chriscchien
• [BUG] Can not delete the parent of volume head snapshot of a v2 volume 9064 - @yulken @chriscchien
• [BUG] changing of the volume controller owner caused: BUG: multiple engines detected when volume is detached 1755 - @PhanLe1010 @chriscchien
• [BUG] mounting error is not properly hanedled during CSI node publish volume 12006 - @COLDTURNIP @yangchiu
• [BUG] test_rebuild_after_replica_file_crash failed on master-head 12389 - @derekbit @chriscchien
• [BUG] test_backing_image_auto_resync is flaky due to recent commit 12387 - @derekbit @chriscchien
• [BUG] Flooding messages Failed to resolve sysfs path for \"/sys/class/block/root\ ... in longhorn-manager 12344 - @c3y1huang @roger-ryao
• [BUG] v2 volumes could fail to auto salvage after cluster restart 11336 - @yangchiu @c3y1huang
• [BUG] The auo generated backing image pod name is complained by kubelet 12356 - @COLDTURNIP @yangchiu
• [BUG] test_restore_inc_with_offline_expansion fails on v2 data engine 12313 - @davidcheng0922 @chriscchien
• [BUG] Block disks have a chance become Unschedulable in v2 regression test in test_rebuild_with_restoration 11446 - @shuo-wu @chriscchien
• [BUG] v2 volume workload FailedMount with message Staging target path /var/lib/kubelet/plugins/kubernetes.io/csi/driver.longhorn.io/xxx/globalmount is no longer valid 10476 - @yangchiu @shuo-wu
• [BUG] [v1.10.0-rc1] v2 DR volume stuck Unhealthy after incremental restore with replica deletion(test_rebuild_with_inc_restoration) 11684 - @c3y1huang @chriscchien
• [BUG] test_data_locality_strict_local_node_affinity fails at master-head 12343 - @derekbit @chriscchien
• [BUG] tests.test_cloning.test_cloning_basic fails at msater-head 12341 - @derekbit @chriscchien @Copilot
• [BUG] v2 volume could get stuck in Detaching indefinitely after node reboot 11332 - @yangchiu @c3y1huang
• [Bug] A cloned volume cannot be attached to a workload 12206 - @yangchiu @PhanLe1010
• [BUG] Block Mode Volume Migration Stuck 12311 - @COLDTURNIP @yangchiu @shuo-wu
• [BUG] Replica auto balance disk pressure threshold stalled with stopped volumes 10837 - @c3y1huang @chriscchien
• [BUG] short name mode is enforcing, but image name longhornio/longhorn-manager:v1.10. │ │ 0 returns ambiguous list 12268 - @yangchiu @Wqrld
• [BUG] invalid memory address or nil pointer dereference (again) 12233 - @chriscchien @bachmanity1
• [BUG] Restored v2 volume gets stuck in RestoreInProgress state if backup is deleted during restoration 11828 - @yangchiu @c3y1huang
• [BUG] spdk_tgt is crashed due to SIGSEGV 11698 - @c3y1huang
• [BUG] Longhorn ignores Replica Node Level Soft Anti-Affinity when auto balance is set to best-effort 11189 - @c3y1huang @chriscchien
• [BUG] SPDK NVMe synchronous calls 11096 -
• [BUG] Replicas accumulate during engine upgrade 12111 - @c3y1huang @chriscchien
• [BUG] Some default settings in questions.yaml are placed incorrectly. 12219 - @derekbit @roger-ryao
• [BUG] Chart does not handle defaultSettings.taintToleration with a trailing colon 12162 - @derekbit @chriscchien
• [BUG] Fix SPDK v25.05 CVE issue 11969 - @derekbit @roger-ryao
• [BUG] Potential BackingImageManagerClient Connection and Context Leak 12194 - @derekbit @chriscchien
• [BUG] Instance manager pod awsIAMRoleArn annotation disappearing 9923 - @yangchiu @mantissahz
• [BUG] Node block-type disk is unable to unbind after Longhorn uninstall 9127 - @yangchiu @davidcheng0922
• [BUG] longhorn-manager fails to start after upgrading from 1.9.2 to 1.10.0 11864 - @derekbit @roger-ryao
• [BUG][UI] When creating volume/backing image, change Data Engine will reset Number of Replicas 11775 - @yangchiu @houhoucoop
• [BUG] Backup target metric is broken 12073 - @mantissahz @roger-ryao
• [BUG] panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 at longhorn-engine/pkg/controller/control.go:218 +0x2de 12081 - @liyimeng @roger-ryao
• [BUG] Unable to complete uninstallation due to the remaining backuptarget 11934 - @mantissahz @roger-ryao
• [BUG] NVME disk not found in v2 data engine (failed to find device for BDF) 11903 - @derekbit @roger-ryao
• [BUG] NPE error during recurring job execution 11925 - @yangchiu @shuo-wu
• [BUG] v2 volume creation failed on talos nodes 11910 - @c3y1huang @chriscchien
• [BUG] DR volume gets stuck in unknown state if engine image is deleted from the attached node 11995 - @yangchiu @shuo-wu
• [BUG] Volume gets stuck in attaching state if engine image image is not deployed on one of nodes 11994 - @yangchiu @shuo-wu
• [BUG] Rebooting the volume attached node during a v2 DR volume incremental restoration, the restoration is left incomplete and the activation has no effect 11778 - @yangchiu @c3y1huang
• [BUG] Unable to detach a v2 volume after labeling disable-v2-data-engine=true 11799 - @yangchiu @mantissahz
• [BUG] test_system_backup_and_restore test case failed on master-head 11933 - @derekbit @chriscchien
• [BUG] Shebang refactor in scripts may cause compatibility issues 11815 - @NamrathShetty @chriscchien
• [BUG] longhorn-spdk-engine CIs complain that the unit tests successfully hash system created snapshots 11822 - @yangchiu @shuo-wu
• [BUG] RWX volume causes process uninterruptable sleep 11907 - @COLDTURNIP @chriscchien
• [BUG] Unable to re-add block-type disks by BDF after re-enable v2 data engine 11860 - @yangchiu @davidcheng0922
• [BUG] V2 volume stuck in volume attachment (V2 interrupt mode) 11816 - @c3y1huang
• [BUG] Goroutine leak in instance-manager when using v2 data engine 11959 - @PhanLe1010 @chriscchien
• [BUG] csi-provisioner silently fails to create CSIStorageCapacity if dataEngine parameter is missing 11906 - @yangchiu @bachmanity1
• [BUG][v1.8.x] v2 volume stuck at attaching due to stopped replica 10486 - @chriscchien
• [BUG] longhorn-engine's UI panics 11867 - @derekbit @chriscchien @Copilot
• [BUG] v2 volume workload gets stuck in ContainerCreating or Unknown state with FailedMount error 10111 - @yangchiu @shuo-wu
• [BUG] Volume is unable to upgrade if the number of active replicas is larger than volumme.spec.numberOfReplicas 11825 - @yangchiu @derekbit
• [BUG] UI fails to deploy when only IPv4 is enabled on nodes with v1.10.0 version 11869 - @yangchiu @c3y1huang
• [BUG] v2 DR volume fails to auto-reattach when engine image missing on current node 11772 - @chriscchien
• [BUG] inconsistent behavior of v2 volume after labeling disable-v2-data-engine to the volume attached node and deleting the instance manager 11578 - @yangchiu

Scalability

• [DOC] Add volume sizing guidance in best practice section 12203 - @mantissahz @sushant-suse

Misc

• [DOC] Fix Talos install documentation for current versions 12514 -
• [DOC] Add KB article for the failure of RWX volume detachment 12238 - @sushant-suse
• [TASK] Fix flaky regression test case test_recurring_job.py::test_recurring_job_snapshot_cleanup for v2 data engine 12464 - @derekbit @chriscchien
• [DOC] Review and Update Ingress Controller Examples for Longhorn UI 12252 - @yangchiu @sushant-suse
• [DOC] Incorrect longhornctl subcommand 12423 - @chriscchien @roger-ryao
• [TASK] Update nvme and libnvme to v2.16 and v1.16.1 12391 - @derekbit @chriscchien
• [DOC] Disk Aggregation Options 12378 - @davidcheng0922 @roger-ryao
• [TASK] Deprecate V2 Backing Image Feature 12237 - @derekbit @chriscchien
• feat(chart): Add Gateway API HTTPRoute support for Longhorn UI 12299 - @lexfrei @derekbit @chriscchien @Copilot
• [DOC] V2 data engine: delete snapshot after volume-head behaves inconsistently vs v1 12355 - @chriscchien @sushant-suse
• [TASK] Revert Base Image bci-base:16.0 to bci-base:15.7 12354 - @derekbit @chriscchien
• [DOC] Clarify share-manager image update behavior after system upgrade with attached RWX volumes 12363 - @derekbit @chriscchien
• [DOC] Clarify expected behavior of old instance manager pods after live engine upgrade 12361 - @derekbit @chriscchien
• [TASK] Update Longhorn v1.11.0 SPDK to v25.09 11975 - @derekbit @chriscchien
• [TASK] Bump Longhorn Component registry.suse.com/bci/bci-base to 16.0 12145 - @derekbit @chriscchien
• [DOC] Add KB Article: Handling Persistent Replica Failures via Disk Isolation 12242 - @derekbit @roger-ryao
• [DOC] Document how to permanently enable hugepages 12167 - @roger-ryao @sushant-suse
• [DOC] Update existing terminologies and add new terminologies 12302 - @sushant-suse
• [DOC] Add a KB for restoring data from an orphan replica directory 9972 - @yangchiu @sushant-suse
• [DOC] [UI][IMPROVEMENT] Should Not Hide the Deleted Snapshots on UI #11620 12214 - @chriscchien @sushant-suse
• [DOC] Add Enterprise Page in Longhorn Official Document 12110 - @sushant-suse
• [DOC] Update Talos Linux Support with Longhorn 12108 - @roger-ryao @egrosdou01
• [DOC] [FEATURE] Add support for ReadWriteOncePod access mode 12228 - @chriscchien
• [DOC] Workaround KB doc for backing image manager disk UUID collision issue 12114 - @COLDTURNIP @roger-ryao
• [TASK] Remove testing credentials from backup target manifest examples 11076 - @davidcheng0922 @roger-ryao
• [DOC] Document the Migratable RWX Volume in the Official Document 11277 - @derekbit @chriscchien @sushant-suse
• [DOC][UI][IMPROVEMENT] Show Error Message for Unschedulable Disks #11449 12151 - @yangchiu @sushant-suse
• [TASK] Create a GitHub Action to Update Versions in longhorn/dev-versions 12062 - @derekbit
• [DOC] Update NFSv4 client installation docs to verify actual NFS version in use 11944 - @derekbit @chriscchien
• [REFACTOR] SAST checks for UI component 11540 - @sminux @chriscchien
• [DOC] Update Longhorn README file 10891 - @divya-mohan0209
• [BUG] Block disk deletion fails without error message 11952 - @davidcheng0922 @roger-ryao
• [REFACTOR] Remove redudant assingment 11705 - @jvanz
• [TASK] Remove deprecated instances field and instance type from instance manager CR 5844 - @derekbit @chriscchien
• [DOC] Update deployment links according to the document version 11847 - @yulken

Contributors

• @AoRuiAC
• @COLDTURNIP
• @Copilot
• @NamrathShetty
• @PhanLe1010
• @Wqrld
• @bachmanity1
• @c3y1huang
• @chriscchien
• @davidcheng0922
• @derekbit
• @divya-mohan0209
• @egrosdou01
• @ehpc
• @hookak
• @houhoucoop
• @hrabalvojta
• @innobead
• @jmeza-xyz
• @jvanz
• @lexfrei
• @liyimeng
• @lucasl0st
• @mantissahz
• @nzhan126
• @rauldsl
• @roger-ryao
• @semenas
• @shikanime
• @shuo-wu
• @sminux
• @sushant-suse
• @yangchiu
• @yulken