4.20.3

Issues

• Fix Revert Instance to Snapshot with custom service offering

  needs-testingSeverity:BLOCKER
  Unread
  apache/cloudstack#12885·by abh1sar was merged Mar 27, 2026
  25

• Fix saml bug unable to login

  component:saml
  Unread
  apache/cloudstack#10868·by vits-hugs was merged Sep 2, 2026
  24

  

• Adds url kubernetes iso

  component:apicomponent:kubernetescomponent:UI
  Unread
  apache/cloudstack#10862·by vits-hugs was merged Sep 2, 2026
  46

  

• Allow modification of user vm details if user.vm.readonly.details is empty

  component:agentcomponent:apicomponent:integrationcomponent:ipv6component:networkingcomponent:orchestrationcomponent:vpc
  Unread
  apache/cloudstack#10456·by Pearl1594 was merged Jan 26, 2026
  34

  

• Blank value in 'user.vm.readonly.details' uses default values

  affects:4.19affects:4.19.1priority: lowtype:config
  Bug

  apache/cloudstack#10305 · by Filter by author scottsignal was closed on Jan 26, 2026 · 4.20.3
  4

• Consider secondary storage selectors during cold volume migration

  component:storage
  Unread
  apache/cloudstack#10957·by winterhazel was merged Jan 28, 2026
  33

  

• [API] ISO download does not work if ISO has 255 chars name

  Bug

  apache/cloudstack#11731 · by Filter by author OlegChuev was closed on Jan 23, 2026 · 4.20.3
  3

  

• extend libvirt pool XML to add format and <protocol ver>

  component:kvmcomponent:primary-storage
  Feature

  apache/cloudstack#11757 · by Filter by author jeanvetorello was closed on Jan 28, 2026 · 4.20.3
  2

• Consider secondary storage selectors during template synchronization

  component:storage
  Unread
  apache/cloudstack#10956·by winterhazel was merged Jan 27, 2026
  36

  

• server: pass network label of physical network when plug nic for private gateway on hypervisor

  component:kvmcomponent:networking
  Unread
  apache/cloudstack#11846·by weizhouapache was merged Jan 29, 2026
  11

  

• Update message id to align with its use

  component:UI
  Unread
  apache/cloudstack#11890·by DaanHoogland was closed Jan 27, 2026
  15

• Initial status of Template/ISO is empty ("") upon creation

  complexity:trivialcomponent:orchestrationgood-first-issueSeverity:Minortype:improvement
  Feature

  apache/cloudstack#11125 · by Filter by author Yuliia7-1 was closed on Jan 27, 2026 · 4.20.3
  8

  

• Degraded cloudstack agent

  component:agentdistro:ubuntutype:performancetype:stability
  Bug

  apache/cloudstack#11141 · by Filter by author poli1025 was closed on Jan 16, 2026 · 4.20.3
  82

• Kubernetes Autoscale(scaleDown) Go To Alert State and failed after 10min

  Bug

  apache/cloudstack#11166 · by Filter by author ahmadamirahmadi007 was closed on Jan 30, 2026 · Duplicate · 4.20.3
  6

  

• ISO deploy causes unwanted isolated guest network creation even when L2 network is selected

  status:needs-reproducing
  apache/cloudstack#11227 · by Filter by author omurozlu was closed on Jan 5, 2026 · 4.20.3
  5

• Instance snapshots reverting does not preserve settings.

  Bug

  apache/cloudstack#11272 · by Filter by author iparker88 was closed on Feb 3, 2026 · 4.20.3
  5

  

• Maintenance mode caused stopped vms

  apache/cloudstack#11286 · by Filter by author BartJM was closed on Jan 5, 2026 · 4.20.3
  4

• UI: 404 page shows up after forgot password is performed

  component:UI
  Bug

  apache/cloudstack#11395 · by Filter by author kiranchavala was closed on Jan 19, 2026 · 4.20.3
  3

• Snapshot Size Not Counted in Primary Storage Quota

  type:stability
  Bug

  apache/cloudstack#11441 · by Filter by author kanagarajb0720 was closed on Jan 28, 2026 · 4.20.3
  3

• Cloudstack doesn't validate the account type and Role during ldapCreateAccount

  component:LDAPstatus:needs-functional-definitiontype:bug
  apache/cloudstack#11472 · by Filter by author kiranchavala was closed on Jan 5, 2026 · 4.20.3
  8

• hypervisor selection issue at VMware migration

  component:conversioncomponent:UI
  Bug

  apache/cloudstack#11555 · by Filter by author ingox was closed on Jan 6, 2026 · 4.20.3
  6

• Recurrent insert errors in database on vm schedules

  Bug

  apache/cloudstack#11564 · by Filter by author KuasarCloud was closed on Jan 22, 2026 · 4.20.3
  2

• ConfigDrive iso generation not working

  Bug

  apache/cloudstack#11622 · by Filter by author returntrip was closed on Jan 26, 2026 · 4.20.3
  9

  

• private gateway attach to wrong physical network

  Bug

  apache/cloudstack#11798 · by Filter by author weizhouapache was closed on Jan 29, 2026 · 4.20.3
  3

• Wrong Traffic Shaping in Secondary NIC over L2 networks

  component:networkingtype:experimental-feature
  apache/cloudstack#10007 · by Filter by author luganofer was closed on Jan 6, 2026 · 4.20.3
  15