22/09/21
Reservation (Blazar)
Wallaby
Release notes
20/09/21
Orchestration (Heat)
Victoria
Release notes
09/08/21
DNS (Designate)
Victoria
Release notes
17/07/21
Load Balancer (Octavia)
Victoria
Release notes
07/07/21
DNS (Designate)
Ussuri
Release notes
24/06/21Container Infra (Magnum)
UssuriRelease notes
Supports Kubernetes 1.21.1
Fixes broken DNS/Network on first boot
04/06/21
Accelerator (Cyborg)
VictoriaRelease notes
03/06/21
Volume (Cinder)
Ussuri
Release notes
01/06/21Orchestration (Heat)Ussuri
Release notes
12/05/21
Compute (Nova)
UssuriRelease notes
10/05/21
Alarming (Aodh)
Victoria
Release notes
Skipped Ussuri
19/11/20
Key Manager (Barbican)
Ussuri
Release notes
23/09/20
DNS (Designate)
Train
Release notes
10/09/20Container Infra (Magnum)TrainRelease notes
Supports Kubernetes 1.17.11 with CoreOS
01/09/20Orchestration (Heat)TrainRelease notes
06/08/20
Alarming (Aodh)
Train
Release notes
02/03/20
DNS (Designate)
Stein
Release notes
24/02/20
Shared Filesystems (Manila)
Stein
Release notes
20/02/20
Application Catalog (Murano)
Stein
Release notes
18/02/20
Orchestration (Heat)
Stein
Release notes
14/02/20
Alarming (Aodh)
Stein
Release notes
12/02/20
Object Store (Swift)
Train
Release notes
12/12/19Container Infra (Magnum)SteinRelease notes
New tutorial 
06/06/19Shared Filesystems (Manila)RockyRelease notes
23/05/19Application Catalog (Murano)
RockyRelease notes
16/05/19
Database (Trove)
RockyRelease notes
10/05/19Container Orchestration (Magnum)RockyRelease notes
05/04/19
Alarming (Aodh)
Rocky
Release notes
02/04/19
Data Processing (Sahara)
RockyRelease notes
26/03/19
Orchestration (Heat)
RockyRelease notes
26/02/19Compute (Nova)
QueensRelease notes
07/02/19
DNS (Designate)
Rocky
Release notes
22/12/18Compute (Nova)PikeRelease notes
02/11/18
Object Store (Swift)
Pike
Release notes
18/10/18
Networking (Neutron)
Pike
Release notes
02/10/18Container Infra (Magnum)QueensRelease notes
22/06/20
Volume (Cinder)
Stein
Release notes
03/09/18
Image (Glance)
Pike
Release notes
24/03/20
Identity (Keystone)
Stein
Release notes
21/08/18
Application Catalog (Murano)
Queens
Release notes
21/08/18
Database (Trove)
Queens
Release notes


OpenStack services and their versions can been viewed here https://trello.com/b/9fkuT1eU/nectar-openstack-versions