Create CHANGELOG-1.4.2.md

CHANGELOG/CHANGELOG-1.4.2.md

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+## Release Note
+### **v1.4.2 released!** 🎆
+
+Longhorn v1.4.2 is the latest stable version of Longhorn 1.4.
+It introduces improvements and bug fixes in the areas of stability, performance, space efficiency, resilience, and so on. Please try it out and provide feedback. Thanks for all the contributions!
+
+> For the definition of stable or latest release, please check [here](https://github.com/longhorn/longhorn#releases).
+
+## Installation
+
+> **Please ensure your Kubernetes cluster is at least v1.21 before installing v1.4.2.**
+
+Longhorn supports 3 installation ways including Rancher App Marketplace, Kubectl, and Helm. Follow the installation instructions [here](https://longhorn.io/docs/1.4.2/deploy/install/).
+
+## Upgrade
+
+> **Please read the [important notes](https://longhorn.io/docs/1.4.2/deploy/important-notes/) first and ensure your Kubernetes cluster is at least v1.21 before upgrading to Longhorn v1.4.2 from v1.3.x/v1.4.x, which are only supported source versions.**
+
+Follow the upgrade instructions [here](https://longhorn.io/docs/1.4.2/deploy/upgrade/).
+
+## Deprecation & Incompatibilities
+
+N/A
+
+## Known Issues after Release
+
+Please follow up on [here](https://github.com/longhorn/longhorn/wiki/Outstanding-Known-Issues-of-Releases) about any outstanding issues found after this release.
+
+
+## Highlights
+  
+  - [IMPROVEMENT] Use PDB to protect Longhorn components from unexpected drains ([3304](https://github.com/longhorn/longhorn/issues/3304)) - @yangchiu @PhanLe1010
+  - [IMPROVEMENT] Introduce timeout mechanism for the sparse file syncing service ([4305](https://github.com/longhorn/longhorn/issues/4305)) - @yangchiu @ChanYiLin
+  - [IMPROVEMENT] Recurring jobs create new snapshots while being not able to clean up old ones ([4898](https://github.com/longhorn/longhorn/issues/4898)) - @mantissahz @chriscchien
+  
+## Improvement
+  
+  - [IMPROVEMENT] Support bundle collects dmesg, syslog and related information of longhorn nodes ([5073](https://github.com/longhorn/longhorn/issues/5073)) - @weizhe0422 @roger-ryao
+  - [IMPROVEMENT] Fix BackingImage uploading/downloading flow to prevent client timeout ([5443](https://github.com/longhorn/longhorn/issues/5443)) - @ChanYiLin @chriscchien
+  - [IMPROVEMENT] Create a new setting so that Longhorn removes PDB for instance-manager-r that doesn't have any running instance inside it ([5549](https://github.com/longhorn/longhorn/issues/5549)) - @PhanLe1010 @khushboo-rancher
+  - [IMPROVEMENT] Deprecate the setting `allow-node-drain-with-last-healthy-replica` and replace it by `node-drain-policy` setting ([5585](https://github.com/longhorn/longhorn/issues/5585)) - @yangchiu @PhanLe1010
+  - [IMPROVEMENT][UI] Recurring jobs create new snapshots while being not able to clean up old one ([5610](https://github.com/longhorn/longhorn/issues/5610)) - @mantissahz @smallteeths @roger-ryao
+  - [IMPROVEMENT] Only activate replica if it doesn't have deletion timestamp during volume engine upgrade ([5632](https://github.com/longhorn/longhorn/issues/5632)) - @PhanLe1010 @roger-ryao
+  - [IMPROVEMENT] Clean up backup target if the backup target setting is unset ([5655](https://github.com/longhorn/longhorn/issues/5655)) - @yangchiu @ChanYiLin
+  
+## Resilience
+  
+  - [BUG] Directly mark replica as failed if the node is deleted ([5542](https://github.com/longhorn/longhorn/issues/5542)) - @weizhe0422 @roger-ryao
+  - [BUG] RWX volume is stuck at detaching when the attached node is down  ([5558](https://github.com/longhorn/longhorn/issues/5558)) - @derekbit @roger-ryao
+  - [BUG] Backup monitor gets stuck in an infinite loop if backup isn't found ([5662](https://github.com/longhorn/longhorn/issues/5662)) - @derekbit @chriscchien
+  - [BUG] Resources such as replicas are somehow not mutated when network is unstable  ([5762](https://github.com/longhorn/longhorn/issues/5762)) - @derekbit @roger-ryao
+  - [BUG] Instance manager may not update instance status for a minute after starting ([5809](https://github.com/longhorn/longhorn/issues/5809)) - @ejweber @chriscchien
+  
+## Bugs
+  
+  - [BUG] Delete a uploading backing image, the corresponding LH temp file is not deleted ([3682](https://github.com/longhorn/longhorn/issues/3682)) - @ChanYiLin @chriscchien
+  - [BUG] Can not create backup in engine image not fully deployed cluster ([5248](https://github.com/longhorn/longhorn/issues/5248)) - @ChanYiLin @roger-ryao
+  - [BUG] Upgrade engine --> spec.restoreVolumeRecurringJob and spec.snapshotDataIntegrity Unsupported value ([5485](https://github.com/longhorn/longhorn/issues/5485)) - @yangchiu @derekbit
+  - [BUG] Bulk backup deletion cause restoring volume to finish with attached state. ([5506](https://github.com/longhorn/longhorn/issues/5506)) - @ChanYiLin @roger-ryao
+  - [BUG] volume expansion starts for no reason, gets stuck on current size > expected size ([5513](https://github.com/longhorn/longhorn/issues/5513)) - @mantissahz @roger-ryao
+  - [BUG] RWX volume attachment failed if tried more enough times ([5537](https://github.com/longhorn/longhorn/issues/5537)) - @yangchiu @derekbit
+  - [BUG] instance-manager-e emits `Wait for process pvc-xxxx to shutdown` constantly ([5575](https://github.com/longhorn/longhorn/issues/5575)) - @derekbit @roger-ryao
+  - [BUG] Support bundle kit should respect node selector & taint toleration ([5614](https://github.com/longhorn/longhorn/issues/5614)) - @yangchiu @c3y1huang
+  - [BUG] Value overlapped in page Instance Manager Image ([5622](https://github.com/longhorn/longhorn/issues/5622)) - @smallteeths @chriscchien
+  - [BUG] Instance manager PDB created with wrong selector thus blocking the draining of the wrongly selected node forever ([5680](https://github.com/longhorn/longhorn/issues/5680)) - @PhanLe1010 @chriscchien
+  - [BUG] During volume live engine upgrade, if the replica pod is killed, the volume is stuck in upgrading forever ([5684](https://github.com/longhorn/longhorn/issues/5684)) - @yangchiu @PhanLe1010
+  - [BUG] Instance manager PDBs cannot be removed if the longhorn-manager pod on its spec node is not available ([5688](https://github.com/longhorn/longhorn/issues/5688)) - @PhanLe1010 @roger-ryao
+  - [BUG] Rebuild rebuilding is possibly issued to a wrong replica ([5709](https://github.com/longhorn/longhorn/issues/5709)) - @ejweber @roger-ryao
+  - [BUG] longhorn upgrade is not upgrading engineimage ([5740](https://github.com/longhorn/longhorn/issues/5740)) - @shuo-wu @chriscchien
+  - [BUG] `test_replica_auto_balance_when_replica_on_unschedulable_node` Error in creating volume with nodeSelector and dataLocality parameters ([5745](https://github.com/longhorn/longhorn/issues/5745)) - @c3y1huang @roger-ryao
+  - [BUG] Unable to backup volume after NFS server IP change ([5856](https://github.com/longhorn/longhorn/issues/5856)) - @derekbit @roger-ryao
+  
+## Misc
+  
+  - [TASK] Check and update the networking doc & example YAMLs ([5651](https://github.com/longhorn/longhorn/issues/5651)) - @yangchiu @shuo-wu
+  
+## Contributors
+
+- @ChanYiLin
+- @PhanLe1010
+- @c3y1huang
+- @chriscchien
+- @derekbit
+- @ejweber
+- @innobead
+- @khushboo-rancher
+- @mantissahz
+- @roger-ryao
+- @shuo-wu
+- @smallteeths
+- @weizhe0422
+- @yangchiu