Improvements

Rook v1.4.2 is a patch release limited in scope and focusing on small feature additions and bug fixes.

Ceph

Improve check for LVM on the host to allow installing of OSDs (#6175, @leseb)
Set the OSD prepare resource limits (#6118, @travisn)
Allow memory limits below recommended settings (#6116, @travisn)
Use full DNS suffix for object endpoint with OBCs (#6170, @leseb)
Remove the CSI driver lifecycle preStop hook (#6141, @Madhu-1)
External cluster optional settings for provisioners (#6048, @aruniiird)
Operator watches nodes that match OSD placement rules (#6156, @galexrt)
Allow user to add labels to the cluster daemon pods (#6084 #6082, @galexrt)
Fix vulnerability in package golang.org/x/text (#6136, @subhamkrai)
Add expansion support for encrypted osd on pvc (#6126, @leseb)
Do not use realPath for OSDs on PVCs (#6120, @leseb)
Example object store manifests updated for consistency (#6123, @subhamkrai)
Separate topology spread constrinats for osd prepare jobs and osd daemons (#6103, @travisn)
Pass CSI resources as strings in the helm chart (#6104, @Madhu-1)
Improve callCephVolume() for list and prepare (#6059, @leseb)
Improved multus support for the CSI driver configuration (#5740, @rohan47)
Object store healthcheck yaml examples (#6090, @leseb)
Add support for wal encrypted device on pvc (#6062, @leseb)
Updated helm usage in documentation (#6086, @galexrt)
More details for RBD Mirroring documentation (#6083, @galexrt)